How to mend ... Boiler Thermostat Problem

Hot water in header tank?

I have gas central heating.I noticed this week that hot water is entering the small header tank in the loft th... [Read more]

How can I mend my Danfoss thermostatic cylinder control valve?

Danfoss have just told me that my Thermostatic cylinder control 2 part valve and thermostat 22mm, gravity fed,... [Read more]

Why do I have hot water but no central heating?

My wall hung Vaillant condensing boiler is providing hot water but not central heating and does not show a fau... [Read more]

OPTIMA 701 Ferrori heating problem?

Everything is fine but not heating system. My thermostat is on +17.5C, in room was +15.5C Boiler switched on... [Read more]

Potterton Promax 24 HE - Heating without hot water problem?

Hi, I have a Potterton Promax 24 HE boiler on a pumped system. Since the start of the recent cold weather I ha... [Read more]

worcester bosch combi?

i have a worcester bosch greenstar combi boiler, when i turn the hot taps on it takes ages to heat the hot wat... [Read more]

Potterton Profile 60E boiler keeps tripping out?

My Potterton 60E boiler will run for about 10 minutes then trip out, once it has cooled a little I can reset i... [Read more]

Vaillant VCW 242 slow to ignite?

Hi all, I have the above model & have a slight problem, boiler is slow to ignite when heating is calle... [Read more]

Fixing an Ariston Genus HE Boiler?

I have a heating problem with my Ariston Genus HE Boiler where the hot water works but the heating doesnt. The... [Read more]

I have an overflow problem which has not been resolved by differnt plumbers?

Ball valve has been changed and the iron bend but still overflow problem continues.Last engineer suggested to ... [Read more]

No hot water from Netaheat Profile 50?

I have a Netaheat Profile 50 boiler, which was working fine until recently. It's had various new parts over th... [Read more]

ICOS HE15- Boiler ignition banging?

Have Icos HE15 boiler. 2+ years old. Regularly serviced. Works OK on heating + hot water but has a problem wit... [Read more]

How can I fix my potterton profile 60E ?

I have the above boiler, its keeps cutting out and have to press restart button, tried a lower heat setting no... [Read more]

halstead finest gold boiler problem with hot water?

when i just want hot water the radiators keep coming on. even though i have turned the ones with a thermostat ... [Read more]

Problem with Ideal Isar Combi boiler?

I have an Ideal isar combi boiler running off a seperate thermostat. All has been fine with it until now. The... [Read more]

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

no hot water when central heating off?

I may have the same problem - the water heats up ok when the central heating is on, but when it's off the boil... [Read more]

Boiler Problem?

I have a Glow-Worm Ultimate 120FF central heating boiler that stopped working last week. Under my Direct Line ... [Read more]

faulty Ideal Turbo2 boiler?

The dry fire thermostat tripped a few times over the last week. I replaced the thermostat but after a day or t... [Read more]