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Central Heating Controller
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Carl
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(Carl) wrote in message . com...
raden wrote in message ...
In message , Carl
writes
Hi all, I am deperate for some help - my controller for my CH and HW
was damaged during some building works. I have bought an identical
controller and fitted exactly as it was but it will only turn on the
boiler for HW.
If I bypass the controller and connect the HW wire and CH wire to the
live - I have both HW and CH fine. But if I connect just the CH to
the live I get nothing??
Was one set to gravity and the other to pumped ?
If you'd mentioned the controller make and model, it might have been
possible to give some better advice
Its a hortsmann/newlec h51 channel if this helps - actually it is a channel plus XL h21 not 51 as originally stated.
My point is that if there was a problem in the boiler - surely it
wouldn't work at all (see above)?
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