Updated: 30th May, 2025
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Potterton are a brand with a celebrated lineage of expertise when it comes to heating, Potterton boilers today represent some of the best on the market.
In this blog we’ll be taking a look at the Potterton brand and in particular their combi boiler range.
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Potterton was founded in 1850 and quickly gained a reputation for quality and innovation.
In the 1930s, Potterton introduced the first gas-fired boiler with a permanent pilot light, which greatly improved safety and convenience.
In the 1990s, Potterton became part of the Baxi Group, which is one of the largest boiler manufacturers in Europe.
Today, Potterton is known for its high-quality boilers, which are designed and manufactured in the UK. The company offers a wide range of models to suit different needs and budgets, and is committed to using the latest technology to improve energy efficiency and reduce emissions.
Before we dive into the complexities of combis, if you aren’t completely sure what one is, don’t worry, allow us to explain.
A combi (combination) boiler is a type of domestic boiler that ‘combines’ a home’s central heating and hot water production into one succinct unit.
A combi takes water directly from the mains and heats it upon usage. After detecting a hot water request, the combi begins to burn gas in a combustion chamber.
The hot gases rise and move through a series of pipes and into a component called a heat exchanger, the hot gas running through the exchanger then heats the surrounding cold water.
In a conventional boiler system, this process is done according to a programme and the water is stored in a separate cylinder until it’s needed.
A combi only starts this cycle upon request (initiating the heating or turning on a hot water outlet), therefore the hot water is almost instant.
Size outputs | 24kW, 28kW, 33kW |
Efficiency class | A |
ErP | 89%, 88.9% (33) |
Flow rate - L/Min | 9.8, 11.5, 13.5 |
Dimensions | 780 mm (H) 345 mm (D) 480 mm (W) |
Compatible with Multifit GasSaver
Pre plumbing Jig
Robust hydraulic connections
Optional outdoor weather sensor
Filling loop included in box
Size outputs | 24kW, 28kW, 33kW, 38kW |
Efficiency class | A |
ErP | 89.1% |
Flow rate - L/Min | 10.9, 12.9, 15.3, 18.3 |
Dimensions | 763 mm (H) 355 mm (D) 450 mm (W) |
Service due indicator
OptIonal stand off bracket
Pre plumbing Jig
LPG and Mains ready
Optional outdoor weather sensor
Size outputs | 24kW, 28kW, 33kW, 40kW |
Efficiency class | A |
ErP | 88.6% (24,28), 88.5% (33,40) |
Flow rate - L/Min | 9.8, 11.5, 13.5, 16.4 |
Dimensions | 780 mm (H) 345 mm (D) 450 mm (W) |
Endorsed by Energy Saving Trust
24hr clock and filling loop supplied as standard
Wall mounted plate
Extensive flue options
Size outputs | 24kW, 28kW, 33kW, 28kW LPG |
Efficiency class | A |
ErP | 88.6% (24,28), 88.5% (33), 90.6% (28 LPG) |
Flow rate - L/Min | 9.8, 11.5, 13.5, 11.5 |
Dimensions | 780 mm (H) 345mm (D) 450 mm (W) |
Fully modulating
Energy Saving Trust endorsed
Flue options up to 20m
Filling loop and internal clock supplied as standard
Potterton combi boilers offer several benefits, including:
A combi boiler combines both a central heating boiler and a hot water cylinder into a single unit, which means it takes up less space than a traditional system.
Potterton combi boilers are designed to be highly efficient, which can result in lower energy bills and reduced carbon emissions.
With a Potterton combi boiler, you can enjoy hot water on demand, without having to wait for a hot water cylinder to heat up.
The Potterton combi boiler can provide a constant supply of hot water and heating, ensuring that your home is always comfortable.
Combi boilers are typically easier to install than traditional systems, which means that you can get your new heating system up and running quickly.
Potterton combi boilers typically come with easy-to-use controls that allow you to adjust the temperature and settings to meet your specific needs.
While there are some cons to owning a combi if you occupy a very large property with several bathrooms, in the vast majority of cases a modern combi boiler will be extremely advantageous.
Not only will a combi perfectly heat your home, but it will also start to save you money due to its efficient performance ensuring you will be less frivolous when it comes to heating bills.
Combi boilers are manufactured by the most trusted and celebrated heating brands and are available in a range of kW sizes, meaning you never have to sacrifice on home heating, no matter your budget or heating demands.
If you think a modern, efficient combi heating system is ideal for your home, contact us today for a Gas Safe registered installation as fast as the next day!
Yes, Potterton boilers are still available, although the brand is now part of the Baxi Heating group, which continues to manufacture and supply Potterton boilers.
A well-maintained Potterton boiler can last between 10 to 15 years, though some may last longer with regular servicing and proper care.
Common faults on Potterton boilers include low water pressure, faulty thermostats, and ignition problems, which often result in error codes.
Potterton offers a range of boiler types, including combi boilers, which provide both hot water and heating from a single unit.
Replacing a Potterton boiler can cost anywhere between £1,500 and £3,000, depending on the model and installation complexity.
Yes, parts for Potterton boilers are still available, as they are part of the Baxi group, which continues to support the brand.
Potterton boilers were taken over by the Baxi Heating group, which now produces and distributes the brand’s products.
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