How to mend ... Boiler Thermostat Problem

How can i fix my Vokera 20/80 rs flowmatic boiler?

I am having problem with my Dhw water,it heats up and carry's on heating water get very hot does not go to low... [Read more]

No heating but got hot water?

I have hot water but no heating. Thermostat is on, timer is on but the boiler won't fire up for the heating. I... [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]

Sime Friendly Boiler issue - radiators hot, sometimes not?

This is a bizarre one (or maybe it's more common than I think!). Here goes:- Due to falling water pressure ... [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]

Hot Water but no Central Heating?

Hi - I have a Glow-worm Hideway. I have a control box/timer which controls both HW and CH. I usually have the ... [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]

Ferroli combi boiler not responding to thermostat?

I have a related problem whereby I have a Drayton wireless thermostat system that is controlling a Ferroli boi... [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]