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We have 232 questions about mending 'boiler high hot water'

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Mend Heating, Home Heating Systems

hot water problem with my baxi combi 105e?

i have a baxi 105e the heating and hot water was not working. On investigation found that the 10mm pipes were ... [Read more]
Mend Heating, Home Heating Systems

how can i lower the pressure on my MAIN COMBI HE BOILER?

THE PRESSURE ON MY BOILER IS TOO HIGH HOW DO I LOWER THE PRESSURE THE WATER IN MY BATHROOM IS LUKE WARM BUT HO... [Read more]
Mend Heating, Home Heating Systems

Worcester 28 LE - lack of hot water?

The heating operates as usual but recently there's been a problem with the hot water supply. I've turned the ... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea 24 making loud popping noises?

After a complete system clean out my boiler is making loud popping noises with fluctuating pressure when the h... [Read more]
Mend Heating, Home Heating Systems

No heating?

My heating didn't come on this morning. The thermostat was on high, but the boiler wasn't doing its thing. ... [Read more]
Mend D.I.Y, Plumbing

I think that I have an air lock at the bottom of my hot water system?

I have a potterton boiler, feeding the heating and hot water. The hot water is held in a vented cylinder and h... [Read more]
Mend Heating, Home Heating Systems

Glow worm hot water express boiler ?

pilot on ok, fan runs low speed and high speed ok, but boiler will not fire up either on hot water or central... [Read more]
Mend Heating, Home Heating Systems

Baxi boiler pressure too high, fills itself?

The pressure on my Baxi boiler is too high and the release valve keeps opening. When I switch a tap on (cold o... [Read more]
Mend Heating, Home Heating Systems

halstead ace high boiler hot water does not get hot when turned on?

when i turn on the hot water it does not get hot only tepid and i have to go thro the sequince a couple of tim... [Read more]
Mend Heating, Home Heating Systems

Potterton Prima 50 F main burner will not remain on?

I've got a twelve or thirteen year old Prima F which has run reliably until the last year or so. I fixed the u... [Read more]
Mend Heating, Home Heating Systems

Boiler problem - Myson Apollo 50s?

My boiler has stopped heating and my engineer is stumped. I have a small baby and need the heating on asap (t... [Read more]
Mend Heating, Home Heating Systems

Vaillant VCW GB 242EH Water Temperature?

My boiler is turned up to maximum on both domestic hot water and radiator temperature. The DHW is warm to medi... [Read more]
Mend Heating, Home Heating Systems

Ferolli Optimax HE31C - Error code d1?

Hmmmm Newly installed boiler working fine for heating but when hot tap is run, after tap is closed boiler g... [Read more]
Mend Heating, Home Heating Systems

is my chaffeteaux celtic combi boiler past it?

my boiler has given 20 years of pretty good service but recently central heating is working OK but hot water c... [Read more]
Mend Heating, Home Heating Systems

baxi bermuda 401?

should the boiler run for 40 seconds then switch off then run again then do this all the time while it is runn... [Read more]
Mend Heating, Home Heating Systems

How can I fix my powermax 155 boiler?

we have hot water but no heating the pressure was too high so we ran all the water until the pressure dial dro... [Read more]
Mend Heating, Home Heating Systems

glow.worm micron 40FF Fanned Flue Boiler?

C.H hot water Kettles if room stat over 15c. I have turned down boiler temp.dial from high to low but this sti... [Read more]
Mend Heating, Home Heating Systems

Radiators overheating?

My hot water and central heating heat up to boiling point. I have turned the thermostat down in the boiler bu... [Read more]
Mend Heating, Home Heating Systems

water heating?

I have a myson medway super, multipoint water heater.when the hot taps are tuned on the boiler normally fires ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Halstead ace high boiler?

when i call for hot water only , the central heating is coming on and i only get minimum hot water at a slow r... [Read more]
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