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Ravenheat RSF 84ET help!

M

mrsparky

Joined
8 Jan 2007
Messages
2
Reaction score
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Location
Cleveland
Country
United Kingdom
Hi,
My Ravenheat RSF 84ET combi has a DHW problem. It can take ages to get warm then cycles between hot & cold or can stay on hot for a minutes. I have tried changing the temp sensor but this has made no noticable improvements.
Also the CH has recently started to occasionally go off. If I press reset or allow the boiler to cool down it will come back on. This has only happened on a couple of occasions but the DHW problems has been for the past 6 months.
If anyone can offer help I would be very grateful.
Regards, mrsparky
 
Feel the Heating flow and return near the boiler when the tap is on. Does the flow get hot?

Also will the boiler fire for hot water without the central heating on.

Could be problem with Calorifier.

Stan
 

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