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We have 2863 questions about mending 'heating water central'

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Mend Heating, Home Heating Systems

How do I fix my Halstead boiler for central heating?

Hi, I now have hot water from my Halstead boiler - (by reading the suggestion below of taking the front off!) ... [Read more]
Mend Heating, Home Heating Systems

Problem with central heating , I have a potterton prima f system?

After the hot water heater has been on , when I switch on the heating it doesn't come back on , so no heating... [Read more]
Mend Heating, Home Heating Systems

Problem with central heating , boiler is a potterton prima f?

After switching on hot water heater , then when I put heating back on the boiler doesn't fire up so no heating... [Read more]
Mend Heating, Home Heating Systems

Vokera Boiler, Heating Working But No Hot Water?

We have a Vokera Maxin 28E boiler. The central heating works fine and the boiler lights every time. However re... [Read more]
Mend Heating, Home Heating Systems

Vokera boiler problem?

Central heating works fine but the hot water is a nightmare, can start hot but then runs cold I may be mistake... [Read more]
Mend Heating, Home Heating Systems

Boiler switches on/off every minute when heating hot water?

Hi. I need some advice please. I'm renting a property which has an Ideal Classic LX FF & FF Fanned Flue Gas... [Read more]
Mend Heating, Home Heating Systems

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]
Mend Heating, Home Heating Systems

worcester 28i rsf?

my hot water works when the central heating is on but not when you turn the heating off, anyone know why this... [Read more]
Mend Heating, Home Heating Systems

Siemens rcr10/433 how to restart it?

My central heating stopped working but boiler and transmitting unit both seem fine and still have hot water. T... [Read more]
Mend Heating, Home Heating Systems

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]
Mend Heating, Home Heating Systems

Potterton PRT2/ EP2002 C/H always on (unless at temp)?

I have developed a fault on my Potterton EP2002 Programmer following short circuiting and blowing a fuse. The ... [Read more]
Mend Heating, Home Heating Systems

isar he30 boiler problem?

NO central heating working, hot water works fine but no GCS ? Any help would be great thanks.
Mend Heating, Home Heating Systems

no hot water on my worcester 240bf?

Boiler lights up but have no hot water i have changed the diverter diaphram and can see the micro switch worki... [Read more]
Mend Heating, Home Heating Systems

boiler is banging& make big noise?

I turn my hot water &boiler is banging my central heating is on that time also boiler is banging
Mend Heating, Home Heating Systems

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]
Mend Heating, Home Heating Systems

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]
Mend Heating, Home Heating Systems

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.
Mend Heating, Home Heating Systems

Glow-Worm 30cxi combi boiler?

On turning on water runs tepid for 30 secs. then cold thereafter. Pressure indicating steady 1.5 bars. Central... [Read more]
Mend Heating, Home Heating Systems

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]

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