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We have 372 questions about mending 'water control boiler'

How to mend ... Water Control Boiler

Mend Heating, Home Heating Systems

my rdh10rf siemans thermostat will not send signal to my boiler. ?

Both the wall unit and the wireless control panel are on and all the lights are on but it is not communicating... [Read more]
Mend Heating, Home Heating Systems

fialure of central heating ?

hi I have a halstead hi ace combi boiler the central heating was going off after around a hour though on overr... [Read more]
Mend D.I.Y, Plumbing

adjusting hot water output temp. halsted ace he 30?

is there a way of adjusting hot water max temp on my halsted ace he 30 combi boiler ? the manual is very vag... [Read more]
Mend Heating, Home Heating Systems

Slide Switch broke?

I have a potterton prima F boiler . The slide control for the hot water has broken or come off ..any ideas how... [Read more]
Mend Heating, Home Heating Systems

fix combi 30 he boiler?

I have to put heating on full to get hot water. the water dose'nt get hot with just the water control on
Mend Heating, Home Heating Systems

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]
Mend Heating, Home Heating Systems

I have a vokera boiler I can only get hot water when heating is on ?

Any ideas what it could be I have been told it may be a problem with the pressure control valve ?
Mend Heating, Home Heating Systems

Arriston combi boiler hot water scalding temp light comes on?

high temp light comes on, boiler cuts out, click reset button works fine.. then cuts out few mins later. bar p... [Read more]
Mend Heating, Home Heating Systems

boiler issue?

my viessman vitotrol 100 only 3 months old with remote control will not ignite to give me heating or hot water... [Read more]
Mend Heating, Home Heating Systems

heating only comes on if hot water on?

we had a new worcester greenstar boiler and system installed by british gas a few years ago. we have a control... [Read more]
Mend Heating, Home Heating Systems

Boiler not heating downstairs?

My warmflow oil fired boiler heats the water and the upstairs radiators but wont heat the downstairs radiators... [Read more]
Mend Heating, Home Heating Systems

Worcester Highflow 3.5 combi boiler problems?

Boiler stopped working following thunder and lightening storm. Control panel flashing and boiler going on and... [Read more]
Mend Heating, Home Heating Systems

How can I fix boiler?

I have a baxi solo 3 PLF 60 when it fires it cuts out after 1 minute, leaving "boiler on" light on and then ma... [Read more]
Mend Heating, Home Heating Systems

No display on my promax he plus boiler?

The control panel doesn't light up and I don't have any hot water
Mend Heating, Home Heating Systems

Morco super compact feb-24ed f5?

My caravans boiler is now displaying f5. I just filled the hot water circuit after draining down for the winte... [Read more]
Mend Heating, Home Heating Systems

No light in running lamp glowworm 18si?

boiler working fine, turned control panel to off for both heating and water for weekend, return pressure gauge... [Read more]
Mend Heating, Home Heating Systems

my baxi duo?

hi my heating wont work but my hot water does, my remote box will not pair up with box next to boiler.is there... [Read more]
Mend Heating, Home Heating Systems

Pls Help - No heating on!?

My BGas RD 532 Condensing Boiler is playing up! The hot water is working fine. The heating is not coming on.... [Read more]
Mend D.I.Y, Plumbing

istor he260 and manifold to underfloor heating?

our boiler provides hot water to the tap shows a c on the front control which i believe means the heating is o... [Read more]
Mend Heating, Home Heating Systems

Radiators won't work?

Hi, our boiler won't fire up for the radiators but it still works fine on the hot water. It's a Worcester boil... [Read more]

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