How to mend ... Boiler Working Thermostat

rdj10rf changed battery now red light on receiver unit but it shows trianle?

actually all I did changed battery it stopped working thermostat unit shows (the triangle sign) but receiver u... [Read more]

boiler firing no heating?

I have an ariston euro combi boiler. When I put the central heating on the flame ignites straight but the oran... [Read more]

water from taps is boiling hot?

The boiler thermostat and the hot water tank thermostat are both working but this morning the water coming out... [Read more]

Danfoss REP230 Thermostat Wiring?

Long story short, I have the above thermostat and had an installer try to replace it with the new NEST thermos... [Read more]

Baxi 105e Combi Boiler?

I have a Baxi Combi 105e which has been really great until now but has starting acting up and I think it needs... [Read more]

how do i reset my wireless thermostat?

Lights on the thermostat receiver linked to boiler both gone out. Sender part still working fine so am assumi... [Read more]

boiler not igniting?

i have a baxi solo 15 he on switch is lit but both gas lights are not on . wall thermostat is showing its work... [Read more]

My Baxi 105 is showing no faults but will not start up?

Electricity at our home was off for over 12 hours. Wewere told that if we plugged out generator into a socket ... [Read more]

glowworm fuelsaver f won't light?

have an old Glowworm Fuelsaver F Model 35F boiler. The fan is working & it is trying to ignite but just keeps... [Read more]

Vaillant 831 PCB issue?

The boiler is very intermittent when it comes to putting the Rads on, the hot water is fine and has no problem... [Read more]

Heating not working ?

I am having problems with my ideal classic boiler the heating is not coming on I have noticed my boss therm br... [Read more]

Please could anyone tel me why my boiler constantly shows err 501. I reset?

Sometimes reset works, sometimes one has to power off and start again. This has been happening many times over... [Read more]

Boiler Vaillant 824e turbomax ?

central heating has stopped working. it was connected with wireless thermostat, intially i thought something i... [Read more]

My OPTIA FF50 boiler has stopped working?

My OPTIA FF50 boiler has stopped working, the pump still runs the room thermostat still works but the boiler d... [Read more]

What does flashing A4 mean on my Ferroli boiler?

My boiler keeps flashing orange A4 and I have no heating or hot water I have to mess around with the reset but... [Read more]

is my boiler overheating?

I have no experience with boiler, I touched the flue duct on the top of the boiler, it's hurt, very very hot... [Read more]

Siemens rdj10rf thermastat part working?

I have a problem with the reciever if anyone can help. The thermostat and receiver talk to each other and a... [Read more]

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]

IDEAL Classic FF250 won't switch on?

I have a IDEAL CLASSIC FF250 central heating boiler that has stopped working - when the ignition switch is put... [Read more]

Icos he15 no hot water?

No fault code, have replaced external thermostat and still no hot water or fault code, boiler just does fire u... [Read more]