How to mend ... Boiler Thermostat Switching

BMU error code?

Valiant VTR 360. Has started switching off with the error code BMU on the thermostat. when I switch the boi... [Read more]

Valliant Eco Tech 615 boiler ?

since swapping a rad and bleeding boiler wont start in morning showing an F.15 code.( PCB board was replaced i... [Read more]

How can I fix my Glowworm 70FF boiler?

Hi. My boiler does not always start running when the programmer and thermostat are both "ON". The programmer l... [Read more]

RC1 and WR1 thermostat keeps switching to alarm, despite constant resets!?

Hello, I hope someone might be albe to help me. I have noticed that my heating alarm LED keeps coming on a... [Read more]

boss therm bps242rf Thermostat is not switching on my central heating?

After downloading the manual online (2 basic pages) I am none the wiser. Inside the Thermostat back cover are ... [Read more]

Pilot light cut out?

Hello I am having a problem with my ideal boiler pilot light, at first i had no heating or hot water so i rea... [Read more]

boiler switching on and off itself?

hi, any help please? i have a ferolli domina 80E with a salus thermostat. the boiler has just started to turn... [Read more]

Worcester Bosch 25cdi boiler - central heating not working?

Hot water working OK but central heating won't work. Tried switching off Master Switch, leaving a few seconds... [Read more]

2003 Worchester Bosch Boiler & T45 Digistat?

I am having some problems with my boiler and thermostat, the thermostat is not talking to the boiler and the b... [Read more]

Potterton Prima F cycling?

I have noticed over the last few weeks that my Potterton boiler is cycling much more frequently than usual. W... [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]

Problem with Ideal Isar HE24?

Hi All, I wonder if anyone can help me. The problem that I am having is that the central heating does not see... [Read more]

Ideal Elan 2 boiler cutting out and back on every 15 seconds?

I have a Ideal Elan 2 boiler that must be around 20 yrs old. Was in the house when we moved in. I recently h... [Read more]

I have a Honeywell CF wall mounted programmable thermostat thats gone rouge?

My programmer seems to have a mind of its own. It is switching the heating on much earlier than the programmed... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

Strange timer fault on Halstead Best 50?

I have a Halstead Best 50 which works fine on HW timer but does not work on CH timer. If I switch to continous... [Read more]

Potterton Promax 24/2 PROBLEM - HOT WATER OK BUT NO HEATING?

We have had this boiler for about 2 yrs. I have the heating on constant with the thermostat controilling tempe... [Read more]

Micron 60ff boiler. Ignition failure?

On most days, usually in the morning and evening when the boiler is programmed to come on from cold, this happ... [Read more]

Baxi Back Boiler Problem?

I have A baxi bermuda back boiler The water and heating keeps switching on when the timer is in the off poist... [Read more]