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We have 620 questions about mending 'problem hot water central heating'

How to mend ... Problem Hot Water Central Heating

Mend Heating, Home Heating Systems

Ideal Icos HE18 boiler, heating works but no hot water, what is the problem?

I have no hot water but the central heating works, what is the problem
Mend Heating, Home Heating Systems

Why does my Trianco Eurostar oil boiller not run the hot water system?

I have a 15 year old Trianco Eurostar oil burner with a built-in Horstmann timer and additional hot water tank... [Read more]
Mend Heating, Home Heating Systems

the boiler heats the water but none is sent to tap or radiators?

after replacing the flow switch and diverter valve assembly complete I still have the same problem . the boile... [Read more]
Mend Heating, Home Heating Systems

Intermittent fault on Worcester 30cdi combi boiler?

Sometimes my central heating won't come back on after using hot water for a while ie running a bath.Its alread... [Read more]
Mend Heating, Home Heating Systems

Worcester boiler 35CDi?

What can be wrong with my boiler? I first noticed a problem when my shower began running hot then cold, hot th... [Read more]
Mend Heating, Home Heating Systems

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]
Mend Heating, Home Heating Systems

morco feb24ed hot water problem?

The central heating is working ok but the hot water does not work ?
Mend D.I.Y, Plumbing

What is my problem?

When I turn on the hot water, the system tries to start but fails. I try again, fails. I switch off the system... [Read more]
Mend Heating, Home Heating Systems

There is problem with my sabre 24se boiler!?

My sabre 24se: it's hot water is working but when I put the central heating on it works for a few seconds and ... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 28 Heating?

My Potterton Performa 28 is working and carrying out functions of heating water and central heating. However, ... [Read more]
Mend Heating, Home Heating Systems

Falling Pressure?

Each year at this time when I turn the heating on on my Linea 24 combi boiler after being off all summer, the ... [Read more]
Mend Heating, Home Heating Systems

How can I fix a Vokera linea combi boiler?

I have a Vokera linea boiler, the central heating seems to be fine, but we have no hot water. Does anyone know... [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 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

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

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

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

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]

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