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Saunier duval F23E?

I have saunier duval f23e boiler and when the heating is off , the radiarors get hot when we use hot water.

Dave
December 2011
Saunier DuvalHeating, Home Heating SystemsSaunier Duval F23e
Washers or rubber pads on diverter valve arm worn or lost.These can be replaced without removing the valve.

alan
February 2012
have same boiler and same problem a while back, changed diverter valve and fitted new water valve at same time and problem solved.

David
December 2011

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Free repair help for Saunier Duval home heating systems