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We have 809 questions about mending 'central heating system'

How to mend ... Central Heating System

Mend heating hot water

grundfos selectric 15-50?

Central heating working ok but hot water only luke warm. Large screw ! in center of pump is pointing to '130'... [Read more]
Mend rid air system

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]
Mend 18 months ago

Condensing boiler overflow dripping?

We moved into a newbuild 18 months ago but over the last 2 months the overflow pipe to my boiler (located dire... [Read more]
Mend boiler s gas pressure

Does my boiler need it's gas pressure adjusting ?

My Sabre 35 Combi boiler fires up ok when i turn on the hot water tap, but the water has to run for ages befor... [Read more]
Mend potterton central heating

Potterton performa central heating problem?

Hello, everybody. Since I dont want to be tricked by any plumber who might visit me in the future I'm looking... [Read more]
Mend f5 18hxi boiler

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]
Mend heating cutting off

Heating cutting off for no reason?

My central heating keeps cutting itself off, a red light comes on and flashes on the boiler and i have to rese... [Read more]
Mend radiator cold turn

How do I fix Sar radiator valve?

OUr bedroom radiator is stone cold. It has a small plastic cap on the valve which you turn to increase or lowe... [Read more]
Mend issue central heating

Glow-worm 40B system top-up and inhibitor issue?

My mother has a Glow-worm 40B boiler central heating system in a bungalow and i have recently added a radiator... [Read more]
Mend central heating system

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]
Mend heating combi system

DWH / Central heating BAXI Combi 80e?

When the radiators are up to heat I go to use the DHW, the system turns off and the fault light appears so I ... [Read more]
Mend 30 problem heat

glowworm betacom 30 problem?

Hello folks, boiler is 2 years old, had plate heat exchanger cleaned/changed/cleaned...dhw sensor replace... [Read more]
Mend baxi 80 eco

baxi combi 80eco?

Hi I have a baxi combi 80 eco boiler. The system preasure was too high on examination but has now been bled an... [Read more]
Mend upstairs central heating

Upstairs rads not getting hot?

Hi, just wondered if anyone could help. I've recently moved into a 4 bed house which didn't have any central h... [Read more]
Mend combi boiler problem

how to fix combi boiler problem?

Ravenheat CSI 85 780 series combi boiler fitted 3 months ago, hot water fine but when central heating is on ca... [Read more]
Mend vaillant turbomax plus combi boiler

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]
Mend air worcester bosch 40

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]
Mend central heating system

Central Heating system?

Update on my question of pump operating when not calling for heat. The pump makes a noise while doing this but... [Read more]
Mend pump heating hot system heat

The pump appears to be operating when central heating is not on?

The water pump seems to be operating even when neither the hot water nor the central heating system is calling... [Read more]
Mend baxi heating pilot

baxi bermuda 552 keeps tripping the electric ?

My central heating system keeps tripping the electricity. The pilot light is lit and then when i turn the ther... [Read more]

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