How to mend Boiler Thermostat Water Heating

How to fix my boiler Viessmann vitoden 100 ?

Hot water works ok but no heating if the hot water is turned off from the control knob on the front cover of b... [Read more]

Fix my Worcester Heatslave 20/25 oil boiler?

Worcester Heatslave 20/25 boiler 10 years old - over heating the domestic hot water, dangerously hot despite a... [Read more]

Boss therm br1 not communicating properly?

Hi, we have a boss therm br1 which was fine until batteries died. We replaced and all was ok then they decide... [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]

Central Heating not come on?

I have a Boss Therm BR1 receiver with a BRTRF wireless thermostat. I believe the thermostat is communicating w... [Read more]

1

Remeha Avanta Plus not not activating heating?

I have just moved in to a new property with an Avanta Plus Combi Boiler. It works fine for heating the Hot Wat... [Read more]

heating?

potterton suprima 50l when I ask for hot water the heating comes on? the boiler ignites and seems fine,tried t... [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]

2

Vokera HE35 has no heating but have hot water, how can I fix this?

Our boiler is not working properly on return from holiday we found we can only get hit water & no heating. I'... [Read more]

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

Viessmann Vitodens 100 30kw combi?

Help/advice greatly appreciated. The boiler is heating water on demand but not heating rads. I’ve tried rese... [Read more]

1

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]

Worcester Bosch 240 combi boiler, ?

My boiler won't fire up, the pilot light won't come on consequently I don't have any heating or hot water and ... [Read more]

15

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]

boiler starts and everything is off?

The oil fired boiler runs for a few minutes at intermitted times. The thermostat is at zero and the over rides... [Read more]

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]

i have an heatslave 20/25 oil combi?

our heatslave 20/25 oil combi boiler seem to start but we are getting no hot water and no heating. i have pr... [Read more]

1

hot water?

Linea 24 combi,central heating up ok,water is warm then cold when i run the bath and boiler cuts out water is ... [Read more]

Ideal ff series boiler?

Hi Guys I am currently having issues with my heating system, where as more boiler fires up no problem but it c... [Read more]

british gas wri receiver ?

receiver flashing red for hours.green light constant.hot water coming on fine.no central heating for a week no... [Read more]