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We have 265 questions about mending 'boiler valve cold'

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Mend Heating, Home Heating Systems

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]
Mend Heating, Home Heating Systems

FER (Ferroli) combi boiler.sre no 0126L8129?

C/H working ok. Hot water temperature is not regulating and gets dangerously hot. Termister is clean and che... [Read more]
Mend Heating, Home Heating Systems

how can i fix my glow worm 30 cxi?

Hi, I have a glow worm 30cxi boiler and have a problem that hopefully someone can help with. The problem... [Read more]
Mend Heating, Home Heating Systems

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80 heating problem?

Hi there i wonder if anyone can help i have two probs. Firstly heating switches off every 30 secs even on con... [Read more]
Mend Heating, Home Heating Systems

boiler lock out froli?

i note that the problem on your combi is the same as what has just happened to one of ours we have changed the... [Read more]
Mend Heating, Home Heating Systems

domestic hot water problem Baxi 105e instant?

In all respect my boiler appears to do everything it should.No fault warnings,sounds right,fires up on demand ... [Read more]
Mend Heating, Home Heating Systems

Some of my radiators are hot and others are cold?

Hi, I've just had someone come and fix my potterton netaheat boiler and fit it with a new motorised valve. Th... [Read more]
Mend Heating, Home Heating Systems

Potterton combi 80 boiler?

I have re pressurised the expansion tank as suggested. There is no water coming from the valve on the unit nor... [Read more]
Mend Heating, Home Heating Systems

cold pressure over 2.5 bar on vokera Excell 80sp?

I have a vokera Excell 80sp boiler and the pressure when the heating is cold is 2.5 bar. I think i need to re... [Read more]
Mend Heating, Home Heating Systems

Ferroli f24b boiler problems?

Hi we have a boiler of the above make. We have no central heating coming on at all. I went to turn it on as ... [Read more]
Mend Heating, Home Heating Systems

luke warn water?

My six month old Optomax HE 31 C boiler was working perfectly until 3 weeks ago firstly the pressure started t... [Read more]
Mend Heating, Home Heating Systems

Why is the pressure high on my vokera excell 80e?

after overfilling the boiler the pressure valve started releasing water out of the overflow. I bled a heater t... [Read more]
Mend Heating, Home Heating Systems

Jaguar Boiler - F0 flashing after I bled the radiator. Loss of pressure!?

Hello all. My wife is currently not speaking to me, so I hope you can help. I have read through the answer... [Read more]
Mend Heating, Home Heating Systems

I have a Thorn Emi M30/42/44/54 boiler gravity fed system ?

Since fitting a new radiator yesterday I have very hot radiators but no hot water. My tank in the airing cu... [Read more]
Mend Heating, Home Heating Systems

E02 error code ariston microgenus 28?

Boiler loses pressure frequently, especially when cold, E02 code keeps coming up. After repressurising the boi... [Read more]
Mend Heating, Convector Heaters

From Where can I buy a gas valve VR4601M2009?

My boiler is MYSON MIDAS Sfi 1993 I have got a problem with the gas valve. First it was making vibrating noise... [Read more]
Mend Heating, Home Heating Systems

problems with worcester 350 hot water supply?

Can anyone help me fix a problem with my worcester 350 boiler? It runs ok on heating mode but when a demand fo... [Read more]
Mend Heating, Home Heating Systems

Poor hot water flow rate on my Vokera Linea Plus combi boiler?

Hi I would be grateful if anyone could advise what might be wrong with my Vokera Linea Plus Combi boiler. T... [Read more]
Mend Heating, Home Heating Systems

Sabre 24 Combi boiler problem?

With the filling loop removed on my 18 month old SABRE 24 combi the pressure gauge on the heating circuit cont... [Read more]
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