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In my living room I currently have 2 radiators one opposite another. Also I have my room thermostat in the same room. However both radiators appear to have Wheelhead Valves on the right and drain off valves on the left. I understamd why they dont have TRVs. My question is how open or closed...

Hi there, I am looking to replace a couple of aico ei150 with newer optical ei166 smoke alarms. The existing wiring consists of 4 wires (2 blue wires, 1 brown and 1 white) moulded into a terminal connector which plugs into the ei150. The question I have is what do I do with the 2nd blue wire...

Hi look at swapping out a Danfoss RMT230 with a RET2000M room thermostat. The M version for fixed 230v wiring. I have a wiring diagram included but is someone kind enough to explain which wires go where. Thanks

Hi there wonder if anyone can help. Recently had installed a Pyronix Enforcer kit with a Deltabell X Grade 3 which was working fine. The enforcer became faulty after 9 months so I replaced it with a Texecom 64W being the hard wired keypad still keeping the Deltabell X. The alarm was fitted by a...

Recently purchased a Enforcer alarm kit 1 and also purchased a Deltabell X as I wanted it to be fully backlite unlike the Plus which looks faulty. Wanted to know if the enforcer can power the and work with the X ans if so what mode I would need to run it in. Thanks Kamy