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Cheers stem, I used a little bit of the live from a 1.0mm twin & earth cable and its working perfectly so far.

Hi, I'm installing a new wireless Honeywell CM921 thermostat. Its replacing a 20 year old mechanical thermostat, I'm putting the receiver where the mechanical thermostat is/was. Now, I believe I have to link the live to terminal A in the receiver, I'm following the direct control diagram on...

Did you balance the rads after turning them back on? If not try closing the valves to the rad that gets hot and see if any others becomer hot, if so you need to balance the rads.

Arhhhh, okay so not having a valve is purely to stop a forgetful person from running system with valve closed. Could be useful though when you want to do something to system rather than blocking the outlet with a bung? Oh well, I was kinda wrong :evil: Cheers kirkgas

Thought it was in English :oops: :) I mean a levered ball valve/gate valve, etc on outlet from the tank - why is that such a big no???

Hi, Is it a good idea to put a ball valve on the ch feed coming down from the f&e tank in the loft, on an old style vented ch system. I'm asking because I had a difference of opinion with somebody else - I thought there is no harm in it but not essential whereas the over guy said its a no...