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Last updated: 15th April, 2024


Is a Leaking Boiler an Emergency?

Is a Leaking Boiler an Emergency?

Key takeaways

  • A leaking boiler requires immediate attention to prevent potential safety hazards and further damage.
  • Regular maintenance and early leak detection are vital for long-term boiler health and efficiency.
  • Professional assessment and repair are critical for resolving boiler leaks and ensuring safe operation.

When faced with a leaking boiler, promptly handling the situation is critical to prevent damage and ensure safety. Here, steps are outlined to address the leak until professional assistance can arrive.

A leaking boiler can be quite unsettling for a homeowner, presenting not only a disruption to everyday comfort but also a serious safety concern. Quick identification and resolution are paramount. The urgency of fixing a boiler leak stems from the fact that it could signify underlying issues ranging from minor seal wear to potentially dangerous gas or carbon monoxide leaks.

Immediate action, such as turning off the water and power supply to the boiler, is crucial, but this is only a temporary measure until professional help can assess and fix the underlying problem.

Understanding the intricacies of boiler health is essential for maintaining a safe and efficient home heating system. Regular maintenance checks can aid in early detection of leaks, preserving the longevity of the boiler and ensuring it remains a reliable source of heat.

Moreover, correct diagnostic practices can save homeowners not only from costly emergency repairs but also from the need for premature boiler replacement, which can be an onerous financial undertaking.

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Recognising a Boiler Emergency

Understanding what constitutes a boiler emergency is key to ensuring the safety and wellbeing of household occupants as well as protecting property from damage. From indications of a malfunctioning boiler to the immediate steps required, identifying these issues early can play a vital role in mitigating risks.

Signs of a Boiler Leak

Boiler leaks manifest in various forms, and acknowledging them promptly is critical. Some clear indicators include:

  • Damp patches near the boiler or on walls.

  • Puddles forming beneath the boiler unit.

  • Unusual noises such as dripping or hissing coming from the boiler.

  • Sudden drop in water pressure indicated on the boiler's pressure gauge.

Potential Health Hazards of Gas and Water Leaks

  • Gas Leaks: Present a significant risk of fire, explosion, or carbon monoxide poisoning, which is odourless and colourless. It's imperative to have a functioning carbon monoxide detector installed.

  • Water Leaks: While initially less alarming, these can lead to extensive property damage, promote mould growth, and pose slips and falls hazards.

Consequences of Ignoring a Leaking Boiler

Neglecting a leaking boiler can have various consequences:

  1. Internally Damaged Components: Water can corrode metal parts and short-circuit electrical components within the boiler.

  2. System Inefficiency and Failure: Continuous leaks can impair the boiler's efficiency or even lead to a complete breakdown, necessitating expensive repairs or replacements.

  3. Property Damage: Over time, the persistent moisture from a water leak can weaken structural elements of the home.

In summary, swift recognition and response to a boiler emergency are non-negotiable for safety and economic reasons. A quick call to a Gas Safe registered engineer can prevent a manageable issue from escalating into a critical emergency.

Immediate Actions to Take

When faced with a leaking boiler, promptly handling the situation is critical to prevent damage and ensure safety. Here, steps are outlined to address the leak until professional assistance can arrive.

Shutting Off the Water Supply

Firstly, locate the main water shut-off valve, which is often situated near the water meter or where the main water line enters the property. Turn it off by rotating the valve clockwise, which will halt the flow of water and prevent exacerbation of any leak.

Turning Off the Boiler

It's imperative to switch off the boiler to avoid further damage. The power shut-off switch should be clearly labelled and found on or near the boiler. If any difficulty arises in identifying or reaching it safely, one should contact a Gas Safe registered engineer immediately, rather than risking further complications.

Evacuating the Premises if Necessary

If there's any suspicion of a gas leak—indicated by the smell of gas or a hissing sound near the boiler—it is essential to leave the premises at once. Prioritize contacting the gas emergency line at 0800 111 999 to report the issue. Avoid using light switches, mobile phones, or anything that could ignite gas.

Understanding Boiler Leaks and Their Causes

Boiler leaks demand immediate attention as they may signal underlying issues that could worsen if left unaddressed. The following subsections delve into the specific origins of such leaks, from general wear and tear to more complex causes like corrosion.

Common Causes of Boiler Leaks

Boiler leaks often stem from loose joints or damaged seals within the boiler system. These leaks can manifest near pipework or the boiler itself, affecting components such as radiators and heating exchanges. Another cause to consider is the boiler pressure; too high a pressure can strain the system, leading to water escaping through various points, especially pressure valves.

Corrosion and Its Impact on Boilers

Over time, boilers can suffer from corrosion, a process where metal components like heat exchangers or pipes deteriorate. This corrosion is often due to the presence of water and oxygen within the system that creates rust, weakening the metal and eventually leading to holes and leaks. The chemical reaction that causes corrosion is a natural occurrence and poses one of the primary reasons why boilers leak.

Wear and Tear Over Time

The life expectancy of a boiler hinges upon various factors, with wear and tear being a substantial one. As the boiler ages, its parts, such as gaskets, valves, and even the pipework, tend to weaken and lose integrity. Regular maintenance is pivotal to managing wear, and neglect can result in leaks as weakened components fail to contain the water within the closed system.

Boiler Leak Diagnosis and Troubleshooting

When a boiler starts leaking water, it's essential to promptly identify the source and address pressure-related issues, particularly if the problem lies with the heat exchanger or the pressure relief valve.

Identifying the Source of the Leak

To ascertain where the leakage originates, one must conduct a thorough inspection. Look for:

  • Visible drips from the boiler itself or connected pipework.

  • Wet patches around the boiler, radiators, and visible pipes.

  • Accumulation of water beneath the boiler, which could indicate a seal failure or loose joint.

Boiler Pressure Issues

The boiler's pressure gauge reveals much about potential causes of leaks. Indicators to look for include:

  • High pressure: If the needle is above the typical range (usually around 1 to 1.5 bar), it could force the pressure relief valve to open, resulting in a leak.

  • Low pressure: Signals possible water loss from the system, warranting investigation for leaks or a malfunctioning pressure release valve.

Examining the Heat Exchanger

A boiler's heat exchanger is prone to develop leaks over time due to:

  • Wear and tear causing internal fissures.

  • Corrosion that can compromise the integrity of the metal and lead to cracks or holes.

  • Potential to be the most intricate issue to fix, often necessitating the expertise of a Gas Safe engineer.

Long-Term Prevention and Maintenance

Effective long-term prevention and maintenance of your boiler can drastically reduce the likelihood of leaks and extend the service life of the unit. These measures protect both the mechanical and electrical components within your system, ensuring safe and efficient operation.

Regular Boiler Servicing

Annual boiler service is a pivotal part of maintaining your boiler's health. A Gas Safe registered engineer should perform this service, which encompasses checking the sealed combustion chamber for signs of damage, ensuring that the electrical components are functioning correctly, and verifying the integrity of the boiler cover. Regular servicing not only catches faults before they lead to leaks but also keeps your boiler running efficiently.

Replacing Damaged Component Parts

Damaged or worn parts within your boiler can lead to reduced efficiency and leakage. Components such as seals, valves, and washers have limited lifespans and should be replaced by a certified professional if they show signs of wear or damage. A proactive approach to replacement helps to avert emergencies and maintain optimal boiler performance.

Installing a Magnetic Filter

The installation of a magnetic filter can significantly improve boiler longevity. These filters protect your boiler by trapping any magnetic and non-magnetic debris in the system before it can damage the internal workings, particularly the heat exchanger. Not only does this reduce the chance of blockages and corrosion, but it also maintains a clean system that operates efficiently.

Incorporating these measures into your home maintenance routine contributes to the reliable performance of your boiler, preventing emergencies, and giving you peace of mind.

Boiler Repair and When to Contact a Professional

When a boiler leaks, it may signal an underlying issue requiring prompt attention. Assessing the severity and deciding whether to attempt a repair or call a professional is crucial to ensure safety and avoid further damage.

DIY Fixes and Their Risks

Homeowners may consider certain low-risk interventions, such as repressurising the boiler if the pressure is too low. However, DIY repairs often come with risks. For instance, tampering with a gas boiler without proper knowledge may exacerbate the issue. It's recommended to only undertake tasks you are confident in and that do not breach the boiler's safety envelope.

Qualifications of Gas Safe Registered Engineers

A Gas Safe registered engineer holds the qualifications necessary to safely and legally carry out work on gas appliances. They have undergone rigorous training to attain their certification. When contacting an engineer, it’s paramount to confirm their Gas Safe credentials, which guarantees the repair will meet all the required safety standards in the UK.

Understanding Emergency Boiler Repair Services

An emergency boiler repair may be necessary when a leaking boiler poses immediate risks, such as water damage to the property or potential gas leaks. Such services are usually available at any hour, and a Gas Safe registered engineer will address the most critical and complex issues, ensuring restorations are conducted swiftly to prevent further hazards.

Do I Need A New Boiler?

Deciding whether to repair or replace a boiler is contingent on several factors, particularly its condition, age, and type. This section will navigate the decision-making process for considering a new boiler and the advantages of updating your heating system.

When to Consider a New Boiler

  • Age of the Boiler: The typical lifespan of a boiler is between 10 to 15 years. If your boiler is approaching or has surpassed this age range, its efficiency and functionality could be diminished, thus requiring consideration for a replacement.

  • Frequency of Repairs: Recurring faults and the need for frequent repairs can be both costly and inconvenient. This pattern is indicative that the boiler's reliability is compromised.

  • Energy Efficiency: Modern boilers, particularly combi boilers, are more energy-efficient. If your current model has a low energy-efficiency rating, you could potentially save money on energy bills by switching to a higher-rated boiler.

  • Performance: Should you note inconsistent heating or hot water, it may imply that your boiler struggles to cope with your household's needs. Upgrading your system could resolve these issues.

The Benefits of Upgrading Your Central Heating System

  • Reduced Energy Bills: A new boiler, particularly a combi boiler, tends to be more energy-efficient as opposed to older boilers, leading to lower energy bills due to less wasted energy.

  • Improved Reliability: New models are less prone to breakdowns, providing peace of mind with a more reliable source of heat and hot water.

  • Enhanced Heating Control: Modern boilers often work with sophisticated thermostats and smart controls, allowing precise management of your home's temperature and energy use.

  • Space Saving: Opting for a combi boiler can eliminate the need for a hot water cylinder, freeing up space within the home which was previously occupied by the cylinder or cold water tank.

Leaking boilers present not only a hazard to property but also to the health and safety of occupants. It's vital to understand the legal requirements for boiler maintenance and the critical role of safety devices in detecting harmful emissions.

Compliance with Gas Safety Regulations

In the UK, all gas appliances, including boilers, are subject to strict safety protocols as governed by the Gas Safety (Installation and Use) Regulations. Landlords and property managers must arrange for annual inspections by a Gas Safe registered engineer to ensure compliance. These engineers have the authority to assess and, if necessary, repair any issues to certify that the boiler operates safely. Not adhering to these regulations can result in legal repercussions, including fines and penalties.

  • Certification: It's mandatory to obtain a Gas Safety Certificate after each annual check, which details the condition and safety of gas appliances.

  • Record-keeping: Landlords must keep records of safety checks for at least two years and provide a copy to tenants within 28 days of the inspection.

The Importance of Carbon Monoxide Detectors

Installing a carbon monoxide (CO) detector near the boiler is a critical safety measure to protect inhabitants from the silent and deadly threat of CO poisoning. It is often a legal requirement for rented properties. Here's why every household and rental property should prioritise fitting CO detectors:

  • Detection: A carbon monoxide detector will alert occupants to the presence of CO gas, which is odourless and colourless, often before they feel any symptoms of poisoning.

  • Placement: For optimal effectiveness, it's recommended to place the detector at head height, close to the boiler and in every room where there is a gas appliance.

To summarise, Gas Safe engineers are integral to the legal compliance and safety of boilers. Regular maintenance, certification, and the presence of carbon monoxide detectors create a robust defence against potential gas leaks and carbon monoxide emissions.

Financial Considerations and Insurance

When facing a leaking boiler, homeowners must assess both the immediate costs and the long-term financial implications. Opting for the right insurance cover is pivotal to manage these expenses effectively.

The Cost of Boiler Repair vs. Replacement

Repairs for a leaking boiler can vary significantly in cost, depending on the severity and root cause of the leak. Minor issues might involve replacing a seal or valve, leading to modest charges. However, if corrosion or a serious fault is the culprit, one might be facing extensive repairs or even a full replacement. The latter, naturally, comes with a higher price tag. It is worth noting that a replacement can be a more economically sound decision in the long run, especially if the boiler is old and prone to recurring faults.

For illustration, here are some average cost ranges:

  • Minor Repairs: £50 - £150

  • Major Repairs: £200 - £400

  • Replacement: £1,500 - £3,000

Boiler Cover Plans and Their Benefits

Boiler cover plans offer a layer of financial protection, buffering homeowners from the full costs of unexpected boiler maintenance. Beyond mere repairs, these policies often cover annual services, which can drastically improve the longevity of a boiler. They sometimes even extend to emergencies such as a complete breakdown or heating failure.

The benefits are manifold, including:

  • Peace of Mind: Knowing that assistance is a phone call away.

  • Cost Management: Monthly premiums help avoid large one-off expenses.

  • Additional Services: Many plans include yearly maintenance checks.

When selecting a boiler cover plan, it's crucial to read the terms carefully to understand what is included. Some plans might not cover the full cost of a replacement, or may exclude certain types of repairs. Here, the fine details become vital – they determine how much protection one actually has, should their boiler start dripping or gushing.

In summary, proactive maintenance and the judicious choice of a boiler cover plan can alleviate the financial strain associated with boiler repair and replacement. Homeowners should weigh their options carefully, taking the age and condition of their boiler into account, alongside the specifics of available insurance plans.

Enhancing Home Comfort and Well-Being

A fully operational boiler is essential for a home's comfort and occupants' well-being. Its continuous functionality ensures an even distribution of warmth and contributes to a sense of household harmony.

The Role of a Functioning Boiler in Home Comfort

The boiler stands as the centrepiece of a home's heating system. It gives residents control over their living environment, allowing them to adjust settings and temperatures to their comfort levels. During the frosty spells, a boiler operates discreetly yet effectively, distributing heat through radiators and underfloor systems. The consistent warmth it provides is not merely a marker of physical comfort but a foundation that supports the tranquillity and order within the home.

The Impact of Boiler Issues on Household Well-Being

Boiler malfunctions can rapidly disrupt the equilibrium of a household's atmosphere. Water leaks from a boiler, aside from being potential health hazards, can evoke concern due to the risk of property damage. Immediate attention to any anomaly is not only about remedying the physical leak; it centres on restoring the well-being of the household. The urgency is heightened when the issue concerns gas leaks, as they pose a significant safety risk. Hence, the swift repair of boiler issues is pertinent, ensuring that the habitat remains a safe, warm, and serene retreat for its inhabitants.

Environmental Impact of a Leaking Boiler

Leaking boilers can have a significant impact on the environment by reducing energy efficiency and increasing carbon emissions. The implications are more pronounced considering the accelerated need for sustainable heating and hot water production in UK homes.

Energy Efficiency and Leaking Boilers

Boilers play a central role in heating homes and providing hot water. A leaking boiler, however, signals a loss of water, and consequently, energy. The escaped water necessitates more frequent heating cycles, putting undue pressure on the boiler to maintain the desired temperature. This inefficiency leads to the consumption of additional fuel, be it gas or electricity, exacerbating the environmental burden. Moreover, should water infiltrate the boiler’s internal components, the risk of corrosion and subsequent malfunctions increases, necessitating more intensive repairs or even premature boiler replacement.

Reducing Your Carbon Footprint with a Properly Maintained Boiler

A well-maintained boiler operates at optimum efficiency, thereby reducing the household’s carbon footprint. Regular maintenance checks can identify potential leaks early, before they grow into larger problems, ensuring the system uses no more energy than necessary. By keeping a vigilant eye on the boiler's condition and swiftly addressing any signs of leakage, homeowners can mitigate unnecessary energy usage. The ripple effect of these actions is substantial; energy conservation at the individual level aggregates into a notable reduction in the nationwide demand for energy, which is crucial in the fight against climate change.

Addressing Boiler Leaks in Different Boiler Types

Boiler leaks can range from minor nuisances to critical emergencies, depending on their location and severity. Each boiler type, from combi to conventional and oil-fuelled systems, has unique components and common fault areas where leaks might occur. It's essential to identify quickly and address these issues to prevent further damage and ensure efficient operation.

Combi Boilers and Leaks

Combi boilers, serving both central heating and hot water needs, can experience leaks due to faulty internal components such as the heat exchanger, valves, or pump seals. It's crucial to check:

  • Pressure relief valves: An overpressurised system may lead to leaks. The pressure gauge should read between 1.0 and 2.0 bar.

  • Pump seals: Over time, these can degrade. If leaks are present, they often require replacing by a Gas Safe registered engineer.

Notably, combi boilers do not have feed and expansion tanks, which removes the potential for leaks from these components. Immediate action should be taken with any water leakage to prevent damage to the boiler's electrical parts.

Conventional Boiler Leak Issues

Conventional boilers, with their separate hot water cylinder and cold-water storage tank, are susceptible to leaks in several additional places compared to combi boilers. Frequent leak sources include:

  • The storage tanks: These can corrode or connections can become loose over time.

  • The pipework: Especially at joints or where corrosion has set in, which often becomes evident near the boiler itself.

Repairing leaks typically involves parts replacement and sometimes pipework adjustments. Because of the complexity, professional repairs are necessary, often requiring isolation of the water supply to the boiler during servicing.

Addressing Leaks in Oil-Fuelled Boilers

Oil-fuelled boilers have some unique considerations as they rely on stored heating oil. Leak issues might include:

  • Oil tank: Look for signs of corrosion or damage, which can result in leaks of heating oil.

  • The boiler burner: A leaking burner can compromise the efficiency and operation of the boiler.

Leaks from an oil boiler or tank present environmental hazards and should be treated urgently. Immediate action involves shutting off the oil supply and informing a professional who can repair the oil tank or the damaged part of the boiler. Regular maintenance can help spot early signs of wear before they turn into leaks.

Steps to Extend Boiler Life and Performance

Maintaining a boiler's efficiency and prolonging its life involves regular care and monitoring. Attention to key components such as the temperature control valve, boiler pump, and pump seals plays a vital role in the upkeep of the system.

Tips for Ongoing Boiler Care

  • Annual Servicing: Schedule a professional check-up annually to ensure all parts, including the boiler pump and its seals, function optimally.

  • Pressure Checks: Regularly verify that the boiler pressure is within recommended levels. Excessive pressure can strain components.

  • Magnetic Filter Installation: Fit a magnetic filter to capture debris, preventing damage to the pump and other internal parts.

  • Inhibitor Use: Add a chemical inhibitor to the system to prevent corrosion and scale accumulation.

  • Bleed Radiators: Release trapped air from radiators to maintain heating efficiency.

  • Responsive Repairs: Address leaks or any irregularities swiftly, especially if they involve the temperature control valve or pump seals.

Monitoring Boiler Performance

  • Temperature Control: Observe the boiler’s temperature control valve for accurate and responsive operation. Incorrect temperatures could indicate deeper issues.

  • Noise Investigation: Unusual noises from the boiler, such as whistling or gurgling, could point to air in the system or a failing pump.

  • Leak Detection: Inspect for water leaks around the boiler and its components regularly, to identify issues before they escalate.

  • Energy Consumption: Keep an eye on energy usage. Spikes may suggest the boiler is working harder than necessary, often due to component wear or misconfiguration.

By adhering to these steps, the longevity of a boiler system can be considerably enhanced, ensuring it remains a reliable source of heat and hot water.

Additional Boiler Maintenance Strategies

To ensure the longevity and efficiency of your boiler, routine maintenance is essential. Various strategies go beyond the standard annual service, addressing deeper systemic issues and preserving the integrity of your boiler's components.

System Flushing and Chemical Treatment

System flushing is a critical process whereby the entire heating circuit is cleansed of sludge and sediment buildup. This procedure often involves:

  • Chemical flush: Adding specific chemicals to the system, which helps in breaking down the debris.

  • Agitation: This can be achieved either manually, by using tools to disturb the deposits, or through powerflushing, where water at high velocity is sent through the system to clear the build-up.

Incorrect chemical concentrations or inappropriate flushing techniques could lead to poor installation repercussions. It is, therefore, recommended that a certified professional carries out the process to avoid the risk of damage to the boiler or heating system.

Inspecting Seals and Connections

Over time, damaged seals become a common issue within boiler systems. Regular inspections of these seals can prevent small leaks from developing into significant problems. Considerations include:

  • Visual inspection: Checking for signs of wear and tear, such as cracks or brittleness on seals.

  • Testing connections: Ensuring that all pipes and joints are secure and that there's no movement that could lead to leaks.

Additionally, if a boiler is suffering from leaks immediately after installation, this could be indicative of faulty installations. In this case, professionals must revisit their work to rectify any incorrect fittings. It's crucial that all components are correctly installed, not just to prevent leaks but also to maintain the integrity and functionality of the entire heating system.

Regular maintenance, including system flushing and inspection of seals and connections, help safeguard against breakdowns and extend the life of your boiler.

Boiler Leaks and Home Insurance

Every homeowner should know that when a boiler leaks, the situation can escalate quickly, necessitating a clear understanding of their home insurance coverage and the role insurance plays in such emergencies.

Understanding Your Policy Coverage

When a boiler begins to leak, determining whether your home insurance policy includes 'escape of water' coverage is paramount. This term is insurance parlance for water damage caused by leaking or burst pipes. Homeowners must scrutinise their policy documents to confirm if boiler leaks are covered. Generally, policies may outline:

  • Boiler Cover Plans: Some insurers offer specific boiler cover as part of home emergency plans. Such plans may cover the costs of repairs, but usually under the condition that the boiler has been regularly serviced and well-maintained.

  • Water Damage: Coverage typically includes damage to your property caused by the leaking boiler. It is essential to check whether the insurance will cover only the damage or also the cost of the repair work needed for the leak itself.

The Role of Insurance in Emergency Boiler Situations

In the event of a leaking boiler, which is considered an emergency by professionals, insurance can play a critical role. Homeowners should immediately contact their insurers to report the issue and seek guidance on next steps. The insurance company may:

  • Authorise immediate repairs by a qualified Gas Safe registered engineer, prioritising the safety and structural integrity of the home.

  • Provide financial support for the repairs and any associated water damage to the home as specified within the policy limits.

It is prudent to have all boiler maintenance records at hand, as these can influence the approval and processing of the claim. Lack of maintenance can lead to a denial of coverage. Acting promptly can mitigate the risk of further damage, thus potentially reducing the claim's complexity.


A leaking boiler indeed merits immediate professional scrutiny. It harbours potential hazards including water damage, electrical short circuits, and in worst-case scenarios, carbon monoxide leaks or explosions. Swift action can preclude these risks. Should a leak be detected, it is imperative to contact a Gas Safe registered engineer who can safely diagnose and resolve the fault.

Actions for homeowners:

  • Stop the boiler operation and isolate the electricity and water supply to the unit.

  • Drain the system if knowledgeable; however, this is best left to professionals.

  • Dry the vicinity to avert further damage and identify the leak for the engineer.

One must not underestimate a boiler leak, as it can be symptomatic of underlying issues. Regardless of the leak's magnitude, the inherent risks justify treating it with urgency. A qualified heating engineer can often remedy such problems effectively, ensuring safety and operational efficiency. Guaranteeing regular maintenance can stave off future leaks, providing peace of mind and preserving the boiler's longevity. Thus, homeowners are advised to adopt a proactive stance on boiler care, staying vigilant to changes in their heating system's performance.

iHeat New Boiler Costs

Boilers can be a daunting purchase for many people as they’re an appliance with a lot of responsibility, providing heat for you and your family is something you want to get right. Boilers aren’t exactly a quickly disposable item either, potentially lasting you a decade.

Effectively, new boiler cost can be split into two segments: the first is the actual boiler itself (unit price), and the second is the cost of the boiler being installed (set up) in your property by an expert engineer. 

Here at iHeat, we want to remove all of this undue stress and make the decision making process of upgrading to a new central heating system, as easy as possible.

Boiler costs can vary depending on a number of factors including their brand, model, fuel, output, warranty, labour and installation type. Typically a new boiler will cost between £1,845 and £3,500, below is a list of average boiler installations offered by iHeat (guide only).

Installation Type

Price (inc VAT)

Combi to combi swap


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System to combi conversion


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New boiler install


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Back boiler to a combi


Get a quote

System to system


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Frequently Asked Questions

Should I turn my boiler off if it's leaking?

If you discover a leak in your boiler, switching it off is a safe first step. This prevents further water damage and electrical hazards until a Gas Safe registered engineer can evaluate the situation.

What happens if my boiler is leaking water?

A water leak from your boiler can lead to structural damage, promote mould growth, and, if left unattended, cause significant damage to your home. Immediate intervention by a professional is necessary to mitigate these risks.

What is considered a boiler emergency?

A boiler emergency is any situation that poses immediate threats to safety, such as gas leaks, carbon monoxide release, or substantial water leakage. These situations demand urgent attention from qualified professionals.

Can a boiler explode if leaking water?

While a water leak itself does not cause a boiler to explode, neglecting a leaking boiler can lead to internal component failure. This could potentially escalate to a more serious fault, though explosions are extremely rare.

How serious is a boiler leak?

Boiler leaks range from minor to critical. The severity depends on the cause, the leak rate, and the damage inflicted. All leaks should be assessed by a professional as they can sometimes indicate a serious underlying issue.

Why is my boiler dripping water from underneath?

Water dripping from beneath a boiler may signal a corroded internal component, a faulty seal, or excessive pressure within the system. Only a qualified engineer can accurately diagnose and rectify the cause.

Can I shower if my boiler is leaking?

Using a shower while your boiler is leaking could be unsafe, depending on the severity and location of the leak. It's best to avoid using your heating and hot water system until the leak has been addressed by a professional.

Stephen Day profile photo
Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.