relay box

Hi! I am looking to replace my old Center Wireless thermostat to a Drayton wiser system. I just wanted to double check the wiring for the new bracket. As I have a One channel system, Am I right in thinking with the new back play the grey wire currently in A be placed in moved into position 2...

Hi, some years ago I had wet UFH installed in my conservatory. It was just chopped into the existing Y plan wiring and plumbing. The problem being that when UFH demands the CH/HW runs and vice versa. We have put up with it but now as we are spending more time at home it needs fixing. The best...

I would like to replace the relay which triggers a water pump, with a relay which times out after, say, 10 minutes. And if it times out, it stays locked out until reset. Needs to be 230v AC on both sides of the relay. If it doesn't time out, the next time it's triggered it should come on...

Let me first list the set-up we have: Vaillant ecoTec Plus 637 system boiler Zilmet unvented hot water cylinder with external expansion vessel 1 zone valve for Central Heating 1 zone valve for hot water cylinder 1 Grundfos 15-50/60 circulation pump (on flow pipe from boiler) 16 radiators...

Looking for advice on UFH as well as general heating system. We have made the choice to get water underfloor heating in the middle of our refurb works for the kitchen. Rather than placing PVC pipes in plastic castellated floor panels, we will have them routed between joists and on top of...

HI all , Am wanting to install a hive dual channel onto the old relay box wiring diagram below. The wiring img for progammer does not include heating off , below is what im thinking but not sure N Permanent neutral = 17 L Permanent live = 19 1:Hot Water Off(nc) = 18 2:Heating Off (nc)...