How to mend ... Thermostat Switching Despite

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]

When timer operating water heating the central heating is coming on aswell?

When my timer is operating the water heating the central heating is also switching on when not selected and by... [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]

Potterton Performa 28 Heating?

My Potterton Performa 28 is working and carrying out functions of heating water and central heating. However, ... [Read more]

Siemens remote thermostat RDJ10RF doing opposite to setting?

My Siemens remote thermostat does the opposite to what i set it to. The time i set it to turn the heating on,... [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]

24Cdi worcester bosch?

Our 24CDi worcester bosch keeps switching on the heating when thermostat and heating is turned off . Any ideas... [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]

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]

how do i fix a stone cold radiator?

one radiator stone cold since this morning was working ok yesterday saw the previous comments about switching ... [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]

Fluctuating DHW on Ferroli Modena 102?

- I have tried all sorts to sort out this problem. As per other answers I tried switching the thermostat conne... [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]

Why Will My Potterton Boiler not control the radiatiors properly?

My Potterton Boiler controlled by a ep2000 controller does not appear to be shutting down properly! After swit... [Read more]

Siemens RDJ10 thermostat, not switching on my central heating?

I have a worcester bosch Greenstar 28i Junior combi-boiler, with a Siemens RDJ10 thermostat. I have set the ti... [Read more]