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We have 2450 questions about mending 'central heating hot water'

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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 greenstar 30cdi ?

I had my boiler serviced last week and since then it sounds like it is constantly firing up 24hrs a day.Previo... [Read more]
Mend Heating, Home Heating Systems

Fault on fan or flue?

Our recently installed Main Combi 30 He ECO boiler is displaying a 50 degree LED fault (Fault on fan or flue).... [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

remeha avanta combi?

My boiler is showing a number 8 all the time, hot water is fine but no central heating. Any help?
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

Variable hot water - Vokera Excell 80SP?

I have an issue whereby when in the shower, the hot water varies in temperature. Every few minutes the heat d... [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 Heating, Home Heating Systems

Baxi combi 80e flashing red on 60c no hot water, no heating?

Pressure was under 1 bar, aded some water to 2.5 bar..still no working. Flashing red on 60C, hot water and ra... [Read more]
Mend Heating, Home Heating Systems

No hot water?

The central heating is red hot but soon as we run taps water gets hot then goes cold there's no lighte lit on... [Read more]
Mend Heating, Home Heating Systems

how to get more hot water?

not enough hot water unless central heating is on
Mend Heating, Home Heating Systems

Worcester 28i junior combi boiler switching off after 1min?

Hi I have a worcester 28i combi boiler which is switching off the central heating after about a minute of heat... [Read more]
Mend Heating, Home Heating Systems

baxi combi boiler will not fire up?

baxi combi 105e no hot water or central heating no pilot light when looking at front panel the say pump fault ... [Read more]
Mend Heating, Home Heating Systems

no central heating/hot water?

i have a Glow-worm combi boiler and is showing f3 how do i fix it
Mend Heating, Home Heating Systems

Have glow worm compact 80e boiler ?

Only get domestic hot water when central heating is on
Mend Heating, Home Heating Systems

240 combi boiler reduce hot water temperature?

The temperature of the hot water is reduced from normal although the central heating radiators are fine has an... [Read more]
Mend Heating, Home Heating Systems

Central heating works but no hot water?

Ideal boiler with a cylinder have central heating working but no hot water...i have located the silver box and... [Read more]
Mend Heating, Home Heating Systems

Isar HE 35 heats central instead of warm water?

Hi there. There is a tricky thing in my boiler. I was observing that my heaters are hot and the temperature is... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax plus he31c?

Ican get central heating but no hot water the boiler is firing up when hot water is demande but cold is coming... [Read more]

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