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Mend Vaillant Home Heating Systems

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Mend 30 boiler fire flashing
2

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

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Mend Heating, Home Heating Systems
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Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
Mend Heating, Home Heating Systems
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I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Vaillant 828e Hot Water

Vaillant 828E - no hot water?

Green light is not flashing when hot water tap is running.

Central heating works ok

hammy106
May 2020
VaillantHeating, Home Heating Systems828e Hot Water
If the green light doesn't flash, most likely is aqua sensor

Carefree
December 2020
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