05th February, 2026
GuidesWhat is a Boiler PCB?
Our helpful PCB blog provides a comprehensive explanation of the Printed Circuit Board (PCB) in boilers, detailing its function as the control centre...
Gas Safe Engineer
Read article
05th February, 2026
AdviceWhat is a Boiler Filling Loop? In-De...
When it comes to Boilers, there can be some confusing jargon. Just what exactly is a Boiler Filling Loop?
Gas Safe Engineer
05th February, 2026
GuidesVokera Boiler Red Light
When a Vokera boiler presents a red light, it often indicates a lockout due to safety mechanisms activating. This may be triggered by a range of fault...
Gas Safe Engineer
05th February, 2026
GuidesVokera Boiler Error Codes - How To F...
Familiarising yourself with common Vokera fault codes and their meanings can be crucial in swiftly addressing and resolving boiler issues, ensuring mi...
Gas Safe Engineer
05th February, 2026
GuidesViessmann F4 Fault
Boiler error codes are critical indicators that help identify specific issues within a boiler system. They serve as a first step towards troubleshooti...
Gas Safe Engineer
05th February, 2026
GuidesViessmann F2 Fault
Error codes are integral to the effective operation and maintenance of modern boilers. They serve as a vital diagnostic tool for identifying issues wi...
Gas Safe Engineer
05th February, 2026
ReviewsViessmann 222-F Boiler Review
Viessmann is an international brand with over a century of trusted design and application, allowing them to become one of the world's leading manufact...
Gas Safe Engineer
05th February, 2026
GuidesVaillant PCB
A Vaillant boiler Printed Circuit Board (PCB) is a vital part of a modern boiler system. It acts as the central control unit for the boiler, regulatin...
Gas Safe Engineer
05th February, 2026
GuidesF83 Vaillant Error Code
Boiler error codes are essential indicators assisting in the diagnostics of potential issues within a boiler system. They operate as a shorthand, allo...
Gas Safe Engineer
05th February, 2026
GuidesVaillant F62 Fault Code
Error codes on boilers can be a confusing and frustrating topic, here at iHeat we want to make everything about boilers as straightforward as possible...
Gas Safe Engineer
05th February, 2026
GuidesVaillant F49 Boiler Error Code - How...
The Vaillant F49 error code is a specific fault indicator on Vaillant boilers, signifying an issue with the eBUS connection.
Gas Safe Engineer
05th February, 2026
GuidesVaillant F23 Fault Code
When a boiler encounters a fault or malfunction, it communicates the problem through specific error codes displayed on its control panel. Each code co...
Gas Safe Engineer