ferroli domicompact f 30 b combi

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ferroli domicompact f 30 b combi

Post  tommy nash on Fri Mar 05, 2010 11:13 am

FAULT = NO HOT WATER

boiler fires upand hot water reaches 45'c then shuts off , (there is a small amount of modulation)
*****suspected faulty dhw thermister/heat exchanger****

this has the dual heat exchanger , were hot water passes through the primary separate to the heating

spoke to ferroli, and there has been a small fault since the boiler was made, and that is, the c/h thermister located top left of the heat exchanger(nxt to the h/w pipe) has to be moved 6 inches further down of the heat exchanger (clip on type), be careful when cutting the heat resistant sleeve.

after i had done this, the hot water was fine,,,,,,, turns out it picks up heat from hot water side.
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tommy nash

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