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We have 2661 questions about mending 'central heating boiler'

How to mend ... Central Heating Boiler

Mend pump runs boiler

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]
Mend domestic boiler central

Radiaters heat up when domestic supply is running?

The boiler only heats the domestic hot water if the central heating is switched on, if the heating is switche... [Read more]
Mend ace high boiler problem

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]
Mend drayton batteries thermostat

Drayton rf1 wireless system problem?

Recently moved home. I have followed all the Q&As on this site regarding the rf1 system in my new home. I pu... [Read more]
Mend combi boiler wrong

Ferolli combi boiler - I pressed the wrong button?

I was trying to fix the water temp on my parents' central heating boiler and touched the + and - buttons and t... [Read more]
Mend running pressure valve combi

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]
Mend problem light started turning

Problem with Powermax 155x boiler?

The green burner light has started turning off after 5-10 minutes of the hot water coming on. It won't go bac... [Read more]
Mend combi boiler supply water central

combi boiler?

boiler will not supply hot water to the kitchen sink but will supply hot water to the bath . the boiler is sit... [Read more]
Mend boiler error f25

how to fix valance 835 boiler ecomax?

Error code f.25 and f28 are coming up. When power is switched on the temp rises to max 100degrees and then go... [Read more]
Mend water heating downstairs

potterton suprima 40L hot water but no heating downstairs?

I have a Potterton Suprima 40L about 6 yr old. Had no problems with it over the past years. I have no central... [Read more]
Mend hot boiler worcester

when I turn on hot water tap, I hear a big noise, like a explosion?

My boiler is (worcester bosch 28i RSF), and it is 6 years old by now, regularly has been serviced and works wi... [Read more]
Mend hot combi central heating

No hot water from Ravenheat RSF82E combi boiler?

I can only get hot water if I switch the central heating on permanantly. Even if I just set the boiler for hot... [Read more]
Mend not hot water

why can i not get hot water ?

if boiler is set to central heating and hot water I can get hot water but if boiler is set to hot water only i... [Read more]
Mend removed water system boiler

Removed Radiator, now no hot water?

Removed rad from system and now no hot water. I have a Biasi M96.24sm boiler. The rad removed was an old rad... [Read more]
Mend central water starts

Why does the central heating come on when I select hot water only function ?

When I put on the hot water only it kick starts the central heating as well, I have a powermax 155 boiler
Mend boiler working hot central heating

how can i fix my boiler?

my myson midas boiler as stopped working, no hot water or central heating, i have tried to relight it, but whe... [Read more]
Mend increase pressure boiler

How do I increase the pressure on my boiler?

I have a Baxi Combi 105 HE Boiler. I have recently noticed the pressure gauge dropping to around 0.5 bar or ... [Read more]
Mend help central heating please

Help with central heating wiring please?

Have just fitted a Danfoss actuator in airing cupboard and a new digital thermostat in the hall. Problem is th... [Read more]
Mend not heating properly

Not heating properly?

I have Potterton 50 boiler i just have changed the PCB as the engineer faulted for me. But after that, it did ... [Read more]
Mend boiler wire heating

wiring a boiler?

how to wire a household central heating system.

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