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why is the red light on my sanuie dauval boiler comeing when no demand ?

why is my sanuie dauvel boiler red light flashing when no demand for hot water or central heating is being called for

Carl williams
November 2014
Heating, Home Heating SystemsRed Boiler Hot

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Mend Heating, Home Heating Systems

Worcester boiler dripping water?

Worcester boiler dripping water, can I just tight the screw? The icon next to the valve looks like radiators... [Read more]
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My temp is showing on the reciever alot higher than it actually is & each time I turn the temp up to get the h... [Read more]
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Boiler cycle?

My boiler only fires up for about 90 seconds greenstar 4000
Mend Home Heating Systems
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