How to mend ... Water Combi Thermostat

water overheating on my ferroli 77ff combi?

my pressure gauge keeps overheating making the radiators and tap water far to hot, i have to keep topping it u... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

my combi boiler is oil fired and it is running to often and is also short c?

Please help! Our boiler runs to frequently and short cycles, etc.we have a burhnam boiler (r6-110) with a beck... [Read more]

Worcester 24CDI-Central heating Ok but no hot water?

My daughter has a Worcester 24cdi combi bolier in her flat. The central heating part is OK but the hot water ... [Read more]

How can I fix my Potterton Promax Combi HE 33 Plus A Range Boiler?

Hi We have a Potterton Promax Combi HE 33 Plus A Range condensing combination boiler fitted along with a My... [Read more]

how can i fix my baxi combi 80 eco?

My Boiler keeps firing on hot water when no hot water is been drawen. The hot water DHW Pressure Differential... [Read more]

Alpha Combi overheating?

In the last few days my heating and water temp goes sky high even if thermostat is on low to the point where i... [Read more]

Baxi Combi Instant 105e hot water works but no heating?!?

Hi I have a Baxi Combi Instant 105e. The hot water preheat function works, and so does the normal hot wa... [Read more]

problems with my baxi combi 100he plus?

when i run the hot water it sometimes does not get hot and at the sametime i notice the central heating comes ... [Read more]

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]

fix Worcester 350 combi boiler ?

I have a Worcester 350 combi. Heating operates fine. Hot water runs fine except for the shower. Think reduced ... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

control knobs ferroli modena 80e combi boiler?

hi hot water/thermostat knobs have come off my ferroli modena 80e combi boiler where can i get replacements an... [Read more]

combi boiler rsf 82et not working correctly?

my combi boiler is not working correctly, everytime you turn the tap on.its pot luck if you get hot water or n... [Read more]

ariston combi keeps firing up?

Hi, my ariston microgenus 23mffi keeps firing up & shutting down repeatedly even though the room thermostat is... [Read more]

Britany Combi SE 80 - error codes?

Hi, Just replaced, for the second time in 4 years, the PCB in my SE 80 following a lock out and error code ... [Read more]

Ferolli combi boiler - I pressed the wrong button?

I was trying to fix the water temp on my parents' central heating boiler and touched the + and - buttons and t... [Read more]

How can I fix my Ariston Genus Combi Boiler?

I have an Ariston Genus Combi Boiler. The water takes ages to heat up and in doing so heats the radiators, the... [Read more]

Cannot turn heating off?

I have just moved into a house with a Vaillient combi boiler. I cannot turn the heating off by any means, I h... [Read more]