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Mend Running Main Switch

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We have 14 questions about mending 'running main switch' in category Heating, Home Heating Systems which have been answered

How to mend ... Running Main Switch

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Biasi M90F.24s?

Boiler was running ok! then sprang a leak that was traced to the main flow switch membrane. This was replaced ... [Read more]
Mend Heating, Home Heating Systems

Glow Worm 35f Fuel saver won't light main burn?

I have an old glow worm 35f fuel saver, positive pressure boiler. The pilot lights intermittently but won’t ... [Read more]
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Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]
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Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima 50 - Pilot won't light?

Lovely flashing red light after three or so attempts by the boiler to re-light the pilot. Reset just restarts ... [Read more]
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Baxi duo tec combi 24HE heating fault?

My 2 1/2 year old Baxi combi shuts down the heating side despite everything calling for heat. This happens int... [Read more]
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how can i fix my main combi h24?

i have a main combi 24he when i switch it on the pump runs and the fan runs but it fails to ignite and the fla... [Read more]
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I have a Stelrad Ideal W Gas Boiler, & last night it decided not to spark?

It seems that the boiler is coming on, the main dial, clock and switch all appear to be running fine, there is... [Read more]
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Problem with hot water on Valiant Combi Boiler?

When we are running hot water through our valiant combi boiler, the water cycles though hot and cold and never... [Read more]
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why does my main burner keep constantly lighting and going out?

Hi I have a baxi solo wm 40/pf bolier which keeps constantly igniting then going out. The pilot is lit and the... [Read more]
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Potterton Profile 50e struggles to light?

Hi, Our Potterton Profile 50e Boiler is showing the following problem: When the system switches on (heat... [Read more]
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glow worm swift flow 100 HELP?

Hello a few years back i had a problem with my swift flow 100 combi boiler, the pilot light wouldn't light. Af... [Read more]
Mend Heating, Home Heating Systems

Potterton Profile 50 control board fault?

This was quite an unusually one for me as my normal work is designing in car multimedia systems! A work fri... [Read more]

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