How to mend ... Boiler Hot Water Stat

Combi Boiler Sime90?

Heating working but the hot water running hot cold hot cold. Engineer so far has replaced Thermistor, Plate he... [Read more]

What could be the problem if boiler fails to fire up?

main burner does not ignite, boiler fails to fire up, pilot light ok, pump ok, room stat ok. programmer ok.No ... [Read more]

overheating trianco combi oil boiler?

boiler limit stat trips when on the hot water heating side. Overrun stat and tank stat are both new also flows... [Read more]

Riello RDB2 oil burner wont ignite when hot?

I have a Riello RDB2 burner in my boiler. After fuel running out and subsequent re-fill the burner ceased func... [Read more]

protherm80e ?

my boiler wotks on hot water for 2 mins then goes off then comes back on again and so on, could it be some sor... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]

Hot water ok but what's wrong with central heating?

That time of year to turn on central heating. Hot water been working fine all summer, tried CH today but no jo... [Read more]

themostat?

i have a biasa combo and i have replaced the room stat as the plastic dial had broke . the hot water works but... [Read more]

Glow Worm Micron no central heating but hot water?

I have a Glow Worm Micron Boiler approx 4 years old, we have hot water but no central heating. Have replaced ... [Read more]

hot water but no central heating on cb28 alpha combi?

checked micro switch and removed and cleaned diverter value, boiler runs on heat and water.and stops on boiler... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]

NO HOT WATER BUT CENTRAL HEATING ON MY SUPREMA 60L MODEL?

I CANNOT GET THE BOILER TO FIRE WHEN CALLING FOR HOT WATER,IT WORKS FINE FOR CENTRAL HEATING WHEN THE ROOM STA... [Read more]

Ravenheat RSF84ET?

I have hot water but no heating, how can I check the CH thermistor, I read somewhere about using a resistor t... [Read more]

Pump runs continuously?

I have a Potterton Suprima boiler with a Megaflow unvented mains pressure water heater. The pump has been runn... [Read more]

how can i repair my worcester 26cdi combi boiler?

the hot water and central heating are overheating and shutting the boiler down. when iether are called for on ... [Read more]

Ferroli Falcon II Ignition Wont Fire Up?

Hello. I have a Ferroli FER Falcon II Combi Boiler. The fan runs but the ignition does not fire up. However, I... [Read more]

glow worm 45 water to hot?

when i put my hot water on it gets to hot evan with the boiler stat turned right down. its aglow worm45/56

Gas Heating gone mad ?

we have a gas heating and we basically have three switches, one is a little red one which i think turns on ... [Read more]

i have a ravenheat 80t boiler hot water is fine but no ch?

water pressure is fine stat is ok no fault code displayed can you help