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We have 159 questions about mending 'boiler switching hot'

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Mend Heating, Home Heating Systems

F1 setting on Protherm boiler?

I've got a Protherm boiler and on almost a daily basis it keeps "switching" to the F1 setting. I've checked t... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Prima F40 boiler?

I have a potterton prima F40 boiler, upon switching on the hot water or central heating the boiler takes on av... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Potterton Profile 40e boiler?

The hot water side of the central heating system works fine.But no heating,the hall thermostat works,when oper... [Read more]
Mend Heating, Home Heating Systems

how can ifix my glowworm compact 100e boiler?

the hot water will only work when central heatings on .heating will not turn off via external clock ,only by ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my Ideal Isar HE24 Combi Boiler?

hi there, ive stumbled across this website as a last resort before i completly loose my sanity. My boiler is ... [Read more]
Mend Heating, Home Heating Systems

Boiler keeps switching off Alpha CB24x?

I have an APPHA CB24X COMBI BOILER. My boiler starts working ok, but after a while it switches itself off. and... [Read more]
Mend Heating, Home Heating Systems

Boiler keeps switching off?

I have an APPHA CB24X COMBI BOILER. My boiler starts working ok, but after a while it switches itself off. and... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima 30?

I have a Potterton Suprima 30 boiler fitted with the latest PCB board. British Gas have just replaced my pump,... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 24CDi, switches off during HWD?

I have a 24CDi boiler, which lately has been switching off when hot water is demanded. It switches off and bac... [Read more]
Mend Heating, Home Heating Systems

Is my frost stat faulty?

My frost stat (located in the garage) is kicking in and firing up my boiler even when the control is OFF. Tha... [Read more]
Mend Heating, Home Heating Systems

Potterton boiler on and radiators hot despite thermosat and timer off?

Our Potterton Suprima wall mounted fan assisted balanced flue gas boiler is remaining on and the radiators ar... [Read more]
Mend Heating, Home Heating Systems

boiler locks when hot water turned off?

when i use the hot water it works ok but after switching off there is loud noise and the boiler seems to overh... [Read more]
Mend Heating, Home Heating Systems

FERROLI OPTIMAX 25C OVERHEATING?

When I turn on the hot tap the boiler fires up then a few seconds later it overheats and I get F3 fault code, ... [Read more]
Mend Heating, Home Heating Systems

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]
Mend Heating, Home Heating Systems

how can i fix my 16/22 potterton ?

16/22 boiler does not work properly after half an hour of switching on, comes on okay heats up the radiators b... [Read more]
Mend Heating, Home Heating Systems

Glowworm Spacesaver KFB 60 overheating/cuts out?

If I have the hot water on the boiler for 20-30 mins the boiler is fine, I can also start the central heating ... [Read more]
Mend Heating, Home Heating Systems

boiler not working properly?

we have a ravenheat combi rsf 100et. the problem is the heating fires up then goes off you have to keep switch... [Read more]
Mend Heating, Home Heating Systems

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 D.I.Y, Plumbing

How do I fix my hot water tank?

I have a free standing boiler and when I switch on the heating for water or central heating it boils excessive... [Read more]
Mend Heating, Home Heating Systems

after switching the hot water taps off the boiler continues to click ?

the boiler continues to click when hot water tap has been turned off
Pages 54321

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