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We have 149 questions about mending 'boiler switch runs'

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Mend Heating, Home Heating Systems

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]
Mend Heating, Home Heating Systems

how can i fix my potterton performa 28 boiler?

when i switch it on it runs fine for abou t half an hour then stops and error led fan or flue failure, i have ... [Read more]
Mend Heating, Home Heating Systems

how do i fill my chaffeteaux et maury sterling pp combi boiler?

My boiler is showing no pressure on the guage and if i try to bleed the rads up stairs there is no water or ai... [Read more]
Mend Heating, Home Heating Systems

Worcester 350 locks out in morning only?

Hi, we inherited the boiler with the house. Everything works very well except the first start on the time swit... [Read more]
Mend Heating, Home Heating Systems

Potterton Profile 60e - fan stops and starts - pilot won't light?

Hi, When I switch the boiler on the fan runs for a couple of seconds, then stops for a couple of seconds, t... [Read more]
Mend Heating, Home Heating Systems

potterton profile 80e?

From cold, The fan is running ok , the pressure switch is ok ( new ) all pipes to air pressure switch are cl... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]
Mend Heating, Home Heating Systems

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]
Mend Heating, Home Heating Systems

Heating Fault - Pump continually runs (Maxol microturbo 402)?

I have a Maxol microturbo 402 domestic boiler that is used for the central heating and hot water in my home. T... [Read more]
Mend Heating, Home Heating Systems

No hot water...DO I really need to replace my Vokera 24E?

My 8yr old vokera boiler working for central heating but not water. It manages about five seconds of very hot... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Baxi Bermuda 552?

Please can anyone help, the pump runs all the time and the boiler fires up every so often even when the system... [Read more]
Mend Heating, Home Heating Systems

glowworm micron 70ff boiler?

I am keep getting software errors,the boiler runs for few seconds then switches off,after 3 attemps, the reset... [Read more]
Mend Heating, Home Heating Systems

Ferroli Falcon cycling on and off with heating and hot water?

Hi, My boiler has been cycling on and off for a while now on both the heating and hot water. I have changed th... [Read more]
Mend Heating, Home Heating Systems

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]
Mend Heating, Home Heating Systems

Sime friendly format 80E Intermittent Relight?

I have the same problem as Neil Johnson. Switch on and runs fine, when the temperature has been reached the bu... [Read more]
Mend Heating, Home Heating Systems

SIME FRIENDLY FORMAT 80E?

CUSTOMER RUNS THE HOT WATER TO SHOWER FOR 10 MINUTES THEN BOILER KNOCKS OFF,THE CUSTOMER THEN USES THE KNOB ON... [Read more]
Mend Heating, Home Heating Systems

Hot water cutting off on Baxi Boiler when running slow?

I have Baxi Bahama 100 combi boiler. When the hot water taps are run slow hot water comes on sometimes for a f... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Baxi Bahama 100?

I have been battling with this boiler for the past three years during which I have changed flow switches, ther... [Read more]
Mend Heating, Home Heating Systems

f9 fault?

when i switch domestic hot water on boiler runs for30 seckonds then trip out on fault f9 boiler make is glow ... [Read more]
Mend Heating, Home Heating Systems

problem with sime friendly format 80e?

boiler runs for about 15 to 20 mins o.k after it stops for a rest the boiler restarts for about 5seconds then ... [Read more]
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