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We have 93 questions about mending 'water boiler hotwater'

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Mend Heating, Home Heating Systems

how can fix my baxi 105e combi boiler?

help stressed with boiler i have heating but no hot water i have changed both diaphrams and new pump and cl... [Read more]
Mend Heating, Home Heating Systems

boiler on hotwater ?

boiler on hotwater fires up but cuts off and on water never gets hot enough
Mend Heating, Home Heating Systems

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]
Mend Heating, Home Heating Systems

how do i set a switchmaster 300?

I have a switchmaster 300 boiler that controls the heating and hotwater in the house. when i want to shower,i... [Read more]
Mend Heating, Home Heating Systems

No hotwater?

Hi my gas water boiler (Medway Super) is working as the pilot light is on and lights up once I turn on the hot... [Read more]
Mend Heating, Home Heating Systems

changing to combi?

My conventional Potterton boiler is over 15yrs old and British Gas want over £3,000 to change it. I'm now th... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax He Plus 38C hot water works but heating dosent?

I have a Feroli optimax he plus 38c boiler. I have replaced the room theromastat as the old one was the wrong ... [Read more]
Mend D.I.Y, Plumbing

range powermax 155x hotwater problems?

when I turn hot water tap fully on a clunk and a groan comes from the boiler and the water stops flowing imedi... [Read more]
Mend Heating, Home Heating Systems

worcester bosch greenstar 30cdi combi boiler?

Hi my boiler keeps flashing Reset and i dont have hotwater, Once i press Reset i have water for a few days. A... [Read more]
Mend Heating, Home Heating Systems

dripping water from sime 90 boiler, no hot water?

Please can someone let me know how can I fix this problem of leaking water from the Sime 90 boiler, there is n... [Read more]
Mend Heating, Home Heating Systems

vaillant turbomax vuw 242E?

the boiler is working fine heating only the hotwater we have 2 turn off n turn on the tap few time n than we g... [Read more]
Mend Heating, Home Heating Systems

vaillant combi 24e turbomax?

boiler trips out, stays on when running water then when water switched off cuts out and then no central heatin... [Read more]
Mend Heating, Home Heating Systems

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]
Mend Heating, Home Heating Systems

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]
Mend Heating, Home Heating Systems

vokera heat exchanger?

i recently changed expansion vessell and heat exchanger on vokera 24 comi, the heating side is working fine bu... [Read more]
Mend Heating, Home Heating Systems

no water from hotwater tap, glow worm 30cxi?

Hi I checked other replies and others with a similar problem state the water is not hot but mine is not runn... [Read more]
Mend Heating, Home Heating Systems

the radiaters go cold when we use the hotwater?

on my 350 boiler , when we have the centrel heating on the boiler works fine but as soon as you satart using t... [Read more]
Mend Heating, Home Heating Systems

Potterton Promax 24/2 PROBLEM - HOT WATER OK BUT NO HEATING?

We have had this boiler for about 2 yrs. I have the heating on constant with the thermostat controilling tempe... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80?

I have a Puma 80 that has recently messed up. Ok to start with my first problem was we would get no hotwater o... [Read more]
Mend Heating, Home Heating Systems

Faulty diverter valve or motor ?/?

Worcester Bosch Greenstar HE plus boiler, when the heating is not on we can get hot water but as soon as we ha... [Read more]
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