How to mend Boiler Thermostat Faulty

why does heating cut in when thermostat at 0?

Is my modairflow thermostat faulty? it controls my JWD38/50 hot air Johnson Starley boiler but the hot air com... [Read more]

how to fix Drayton 601 digistat?

SCR or rf1 thermostat is faulty on my boiler controls

2

My boiler in the cellar goes on even if the thermostat is all the way off?

I thought that the thermostat may be faulty so I disconnected it and the wires are hanging but not touching an... [Read more]

the hot water and the radiators are not hot enough?

The boiler is working well,but only heats up to about 15 degrees making the water and the radiators not hot en... [Read more]

how do I sort out a digistat+3 thermostat that is malfunctioning?

I moved into a new build property and have a Drayton Digistat+3 thermostat and for the past year it has fa... [Read more]

1

Ariston micro Genus A 03 fault?

Heating / Hot Water not working - temp display giving what appears to be random numbers from 20 upto 99 and ba... [Read more]

1

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]

1

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

14

Boiler, 2 way motorised valve or room stat problem?

I have a Potterton Profile 40el-80el boiler, a Drayton 2 port mid position valve (BGMUSP-23) fitted and a RS1 ... [Read more]

Ariston A/23 MFFI,?

Seems to get stuck 'ON'- full power, is it a faulty thermostat or is the boiler playing games? I suppose it co... [Read more]

1

WORCESTER BOILER WON'T TURN OF?

My 28i boiler runs even when turned off at the timer or the thermostat is set to zero. When faulty it runs ful... [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]

1

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]

grant 70/90 outdoor, sealed system boiler?

I have been losing pressure and some water from system for some time now could'nt find a leak any where indoor... [Read more]

1

boiler will not start up automatically when the room thermostat is asking f?

boiler is running fine producing hot water and heat, but when the room thermostat asks for heat the boiler wil... [Read more]

38 CXi with thermostat problem ?!?

I have a 38 CXi and all has been working well, but it was moved recently due to house extension work. Now, irr... [Read more]

1

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]

Potterton Profile 80e cuts out after 15mins ?

the boiler fires up from cold on demand from timer and room stat. It then runs for 10 -15 mins and the main bu... [Read more]

1

How can I fix a Housewarmer 45 Legend Gas Boiler/Fire unit?

My gas boiler consists of one pilot and one main gas valve, a control box, and a thermostat. When the boile... [Read more]