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Mend Combi Boiler Ch Ok Hw

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We have 37 questions about mending 'combi boiler ch ok hw'

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Mend Heating, Home Heating Systems

could it be a thermistor?

trying to find out whats wrong with my vokera option combi, it fires up on hw then trips out, the water then g... [Read more]
Mend Heating, Home Heating Systems

Why does my boiler stay alight?

Hello Can some one help please, my boiler stays alight even tho the programmer switches the CH and HW off its ... [Read more]
Mend Heating, Home Heating Systems

new valve and pump fitted heating fine no hot water?

Just had an engineer to fit a new c/h pump and 3 way honeywell v4073a motorised mid position valve to a combi ... [Read more]
Mend Heating, Home Heating Systems

CH & HW lights flashing on Worcester 400 Highflow combi?

The CH and HW lights are flashing. Sometimes if you turn the HW temp dial up then down again the HW one stops,... [Read more]
Mend Heating, Home Heating Systems

No Heating or HW Baxi 105e combi?

Hi, I have a baxi 105e combi boiler, origionally the first fault ocured of which I had to have CH on to get ... [Read more]
Mend Heating, Home Heating Systems

modena 102 combi flame failure?

this boiler is 10 years old and now the flame fails on a reqular basis whether using HW or CH. The fan has bee... [Read more]
Mend Heating, Home Heating Systems

No HW or CH suddenly from my Vaillant T3WF H Combi Boiler?

This morning my boiler suddenly stopped supplying both Hot Water and Central Heating for no apparent reason. E... [Read more]
Mend Heating, Home Heating Systems

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 105e - flame-out problem?

My boiler runs oK on CH & hot water. However if I shut the CH off from the Controller ,the Boiler keeps runnin... [Read more]
Mend Heating, Home Heating Systems

jaguar 23kw combi boiler?

hi all!. can anyone help my jaguar boiler keeps cutting out on HW only on HW. CH side of things is working gr... [Read more]
Mend Heating, Home Heating Systems

S-Duval F30E boiler problem?

Saunier Duval F30E combi: HW is okay on its own. CH is okay on its own. But when CH is on and HW is turned... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 105 HE condenser boiler pump question?

Can any one point me in the right direction with regards to the pump operation after the CH shuts down after b... [Read more]
Mend Heating, Home Heating Systems

POTTERTON NETAHEAT 16/22 WITH POTTERTON EP2000 TIMER?

It's suddenly developed a fault. It heats the water in the cylinder but not the radiators. The boiler only co... [Read more]
Mend Heating, Home Heating Systems

Ariston Fault Code - MicroGenus Combi Boiler?

Hi, My combi keeps cutting out and displaying the code A77. Usually only happens when running HW but could... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e. Central Heating working, no hot water through taps !?

Hi everyone. I've got a 3 year old Baxi Combi 105e, that, for some reason last night, got low water pressure a... [Read more]
Mend Heating, Home Heating Systems

What have they done to my CH?

Hello, Potterton Puma80 combi - small flat, only 4 rads, working perfectly both CH & HW until a couple of day... [Read more]
Mend Heating, Home Heating Systems

Hot Water problem?

Ferolli Moderna 80E Combi boiler CH works fine. HW is hot for the first 10 seconds or so but then goes luke... [Read more]
Mend Bathroom Appliances, Baths and Showers

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]
Mend Heating, Home Heating Systems

Baxi Bahama Combi Boiler?

Had a few problems with the boiler a couple of years ago. Replaced the 2 flow switches and it has worked ok si... [Read more]
Mend Heating, Home Heating Systems

worcester 230 pilot light lights but nothing else?

i have a worcester bosch 230 rsf combi boiler. when a demand is created (ch or hw) pilot light ignites and sta... [Read more]
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