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Mend Boiler Working Thermostat

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We have 263 questions about mending 'boiler working thermostat'

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Mend high boiler thing

No heating?

My heating didn't come on this morning. The thermostat was on high, but the boiler wasn't doing its thing. ... [Read more]
Mend fires boiler problem

Worcester 28 CDI - Fires up but no flame light?

We have a worcester 28 CDI boiler and have had an ongoing problem. If we turn up the thermostat or demanding ... [Read more]
Mend igniting help working

Potterton profile 50 not igniting. ?

Please help. This boiler has been stood for a couple of years but was working perfectly before being removed. ... [Read more]
Mend potterton water fine

Potterton Netaheat 1-16 MkIIF heats up water but not the heating?

It was working fine yesterday and today I put the hot water on and it fired fine, nice hot water no probs. Bu... [Read more]
Mend ariston 23 mffi

boiler fault ariston a/23 mffi?

Dear all, Could you please advise. My daughter has a Euro combi A/23 MFFI boiler that works for... [Read more]
Mend power boiler help night working

No power to boiler?

Help! I have an Ideal Icos HE24 boiler and last night it decided to stop working. When I checked it this morn... [Read more]
Mend baxi 105he boiler

How can I fix my Baxi Combi 105HE boiler?

The heating has suddenly stopped working today. We have a combi boiler and the hot water still comes on insta... [Read more]
Mend hot heat fine

Vaillant 824E providing hot water but no heat???

Hi I have a Vaillant Ecomax 824E Boiler which has been working fine until 2 days ago. It's supplying us wi... [Read more]
Mend heating not hot enough

Heating not hot enough?

I have a Baxi Solo Boiler. The water appears to be hot but the heating comes on and automatically switches of... [Read more]
Mend boiler fires 10

Alpha cb24 boiler no heating but hot water ok?

I have an Alpha CB24 combi boiler. The heating fires up for between 10 seconds and 3 minutes the cuts out keep... [Read more]
Mend working year water

Why is my feroli domicompact boiler not working?

I have a domicomapct condensiing boiler which is just over one year old. The hot water supply is working but w... [Read more]
Mend hot water keep going cold

Why does the hot water keep going cold?

I have a Worcester 280 RSF Combi boiler, the hot water keeps going cold, but the central heating is working fi... [Read more]
Mend vaillant problem temperature

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]
Mend boiler central heating

how do I fixmy ariston d I a 20 mffi combo boiler?

we drained our central heating system today to move some old pipework. When we pressurized the system it worke... [Read more]
Mend space 20 boiler

How can i fix my Glow Worm Space Saver 20 - 30F?

If i blow into the APS (via restrictor) the boiler lights up, heats and runs for about 5 minutes but will not ... [Read more]
Mend Heating, Home Heating Systems

potterton netaheat 16-22 not turning off?

Have a potteron netaheat 16-22 that does not turn off with adjustments of the programmer or thermostat. Even i... [Read more]
Mend eh dhw ch

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]
Mend light works hot water

Myson Apollo 40B boiler ?

my boiler has a piolt light works when i select hot water but fails to work when heating is selected i've chec... [Read more]
Mend central heating not working

central heating not working?

hot water is working but central heating not comming on.have replaced room thermostat.boiler is ferroli 77 ff
Mend checked air full

how can I fix a cold radiator?

How can I fix a radiator upstairs that won't heat up? I've checked for trapped air but none. The thermostat... [Read more]
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