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We have 483 questions about mending 'hot water bar'

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Mend Heating, Home Heating Systems

Ideal Classic ff270 boiler keeps losing pressure?

The boiler is designed to operate at one bar pressure when cold. The sealed system has been charged (twice) b... [Read more]
Mend Heating, Home Heating Systems

WB 42 cdi hot water?

I seem to have air in the hot water system, the heating is bled and works fine, the boiler was working fine ti... [Read more]
Mend Heating, Home Heating Systems

vokera 24 combi boiler pressurising?

I set my boiler to 1.5 bar,when i turn my hot water on the pressure rises to 3+ bar.Anyone know the problem,an... [Read more]
Mend Heating, Home Heating Systems

vokera boiler problem?

I have set my vokera 24 combi to 1.5 bar,when i turn hot water on it goes up to 3 bar.Anyone know what causes ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my hot water problems om vaillant vuw 282?

I have a Vaillant vuw 282 e, when i draw hot water from bath tap, then at same time draw cold from cold tap my... [Read more]
Mend Heating, Home Heating Systems

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]
Mend Heating, Home Heating Systems

vokera boiler problem?

compact 24 central heating pressure gauge rises when domestic hot tap open + water flow from overflow when i o... [Read more]
Mend Heating, Home Heating Systems

warmflow combi problem?

boiler is heating radiators from the return pipe when hot water only is selected. I have changed the non retur... [Read more]
Mend Heating, Home Heating Systems

no hot water?

rads really hot presseure gauge reads 3 to 4 bar no hot water
Mend Heating, Home Heating Systems

Main Combi 24 HE won't light on resetting?

Can anyone point me in the right direction? My Main Combi 24HE has 'Flame Failure' lit. On resetting, the boil... [Read more]
Mend Heating, Home Heating Systems

how do I fix vaillant ecotec plus reading F.75?

My vaillant ecotec plus displays f.75. Pressure reads 1.4 bar. Have no heating or hot water. how do I fix this... [Read more]
Mend Heating, Home Heating Systems

Faulty Worcester 24i Junior RSF?

I have a Worcester 24i Junior RSF Combi Boiler which seems to have developed a fault. Although the fan etc see... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Roca Lidia GTA oil central heating system?

It was ok yesterday, but today its gone off, the pilots lighte gone out and cant see where to relight it, and ... [Read more]
Mend Heating, Home Heating Systems

combi boiler 30he?

no heating or hot water bar gauge flicking at bottom in red ticking sound fan working burner not working temp ... [Read more]
Mend Heating, Home Heating Systems

Greenstar 30SI, digistat DT10RF, reading error code. help?

my DT10RF Digistat is reading E7. it connects to the boiler but does not show any thing other then E7 on the d... [Read more]
Mend Heating, Home Heating Systems

Vokera unica HE boiler blowing hot water out?

Hi I was hoping someone could help regarding my boiler, I have trawled the internet with no success. We have ... [Read more]
Mend Heating, Home Heating Systems

Sabre he?

we have heating but no hot water, system pressure was low (about 0.4bar). I opened the filling loop and its no... [Read more]
Mend Heating, Home Heating Systems

Genus a77 fault?

Keep getting a77 fault on micro genus boiler. The condensate trap keeps filling. Thanks Nick for you earlier r... [Read more]
Mend Heating, Home Heating Systems

Grant outdoor combi 90 v3?

My sealed system loses pressure when I run the hot water. When boiler cuts in the system builds up pressure ag... [Read more]
Mend Heating, Home Heating Systems

glow worm boiler 24cxi flashing 0.3 bar?

what does it mean when your boiler flashes up 0.3 bar i have no heating or hot water ??

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