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We have 541 questions about mending 'valve combi boiler'

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Mend Heating, Home Heating Systems

Glow worm 35 ci combi dripping ?

Hi i have recently replaced a broken bleed valve on a radiator which caused the pressure in the boiler to redu... [Read more]
Mend Heating, Home Heating Systems

heating combi boiler?

hi, the red reset button on my boiler is coming on and the boiler switches it self off, somtimes it will come ... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 80e boiler drain?

Help can anyone out there explain how to drain the primary circuit on a Baxi 80e combi boiler. I have to ch... [Read more]
Mend Heating, Home Heating Systems

no hot water ?

The boiler is a brittany combi se, The unit which holds the diaphram and the valve which should move when aski... [Read more]
Mend Heating, Home Heating Systems

no hot water?

we lost mains water and the next day we lost hot water, however the combi boiler still works on heating only. ... [Read more]
Mend Heating, Home Heating Systems

my worcester combi boiler's pressure valve is broken,pressure is exceeding ?

pressure valve is broken pressure is exceeding 4 bar,does it just need new pressure valve or is it something e... [Read more]
Mend Heating, Home Heating Systems

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]
Mend Heating, Home Heating Systems

Combi Pressure too high!!?

Hi there. I have a Halstead 30/90 combi boiler which, since I replaced the diaphragm in the diverter valve, is... [Read more]
Mend Heating, Home Heating Systems

pressure dropping from my worcester 230 combi boiler?

water is leaking from pipe outside, no visible leaks inside boiler casing,could it be the pressure relief valv... [Read more]
Mend Bathroom Appliances, Baths and Showers

Luke warm water through MIRA 88 shower?

Since I have put the central heating on for the winter, the hot water that comes through the shower is only lu... [Read more]
Mend Heating, Home Heating Systems

Sime Halstead Trio Combi Boiler - No DHW flow at all?

There is no water flow at all from Hot water Taps. Plenty of pressure on cold water supply. Central Heating is... [Read more]
Mend Heating, Home Heating Systems

Where can I buy a diverter valve for Biasi Combi boiler?

Where is the local stockist for Biasi boilers (near to Bournemouth) so that I can buy a diverter valve for my ... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi Instant 105e hot water works but no heating?!?

Hi I have a Baxi Combi Instant 105e. The hot water preheat function works, and so does the normal hot wa... [Read more]
Mend Heating, Home Heating Systems

Problem with worcester bosch combi 28siII?

A leak was found in heat exchanger of our boiler, replaced exchanger along with a gas valve, overheat stat, el... [Read more]
Mend Heating, Home Heating Systems

Only get hot water when heating is on with Vaillant Combi boiler?

I am unable to get hot water when switch is set to domestic hot water. However I am able to get hot water whe... [Read more]
Mend Heating, Home Heating Systems

What is my problem, Worcester Bosch Grenstar25si/30si?

The pressure has become unstable on my combi greenstar. Just about holds up when heating on. If I isolate the ... [Read more]
Mend Heating, Home Heating Systems

how can i top up my 24ci combi boiler?

24ci glowworm, my system has dropped to 0.7 bar and i want to top it up, im turning the valve but nothing is h... [Read more]
Mend Heating, Home Heating Systems

How can I fix:?

Vokera Linea 24 combi boiler. Boiler starts up fine. Water heating fine, although preasure does gradually dr... [Read more]
Mend Heating, Home Heating Systems

baxi combi boiler 80e. where is the pressure valve?

pressure is gone and i can't see the small valve tap which is usuallly on boilers. can you tell me how to incr... [Read more]
Mend Heating, Home Heating Systems

How can I fill system pressure loop?

I have MAIN COMBI 24 HE boiler. When I dont use it, pressure stay in 0 and when I use hot water it goes up to ... [Read more]

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