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- 27 Sep 2006
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Gasguru said:Turn the cylinder stat down and the room stat up and select the heating and hot water. The valve motor should allow flow to port A and the lever will have no resistance. If this doesn't happen the motor may be dead.
This however still doesn't explain why there is no flow when the heating is selected.
The small MV lever has no resistance in any position!?!?! Only at the very end of the movement when putting into manual!! The CH system looks like its working when I leave it in manual, does this point to the MV being knackered??