I thought Y plan needed a 3 port valve (although this is the first time I've had to deal with anything that wasn't a combi, so I'm more than likely wrong)!!
Sorry - probably should have taken a clearer picture. Do you mean the red wire on the "1" terminal (which should be HW off)? I was assuming that it was actually the HW off; now I'm guessing it's just triggered by demand on the HW on, and the guy who fitted it just used the connection to bridge...
Interesting development. . . I'd taken that bridge out, put the Hive unit straight onto the backplate (and bridged out the old room stat temporarily) and thought all was well.
Have just realised how cold it is and noticed that the boiler isn't on. Turning the power off & on to it makes the...
I'd go with that (as well as daylight robber) - the previous owner left a load of paperwork; £3500 & a week's work apparently for a Greenstar 30CDi, grunfoss pump and honeywell TRVs. It was just a replacement of the boiler - all existing piping was kept!
With the bridge, does that mean that the...
Hi All,
Recently moved into a house that has a British Gas Up 2 timer, along with Honeywell room stat. House has a hot water tank (I believe in S plan as there are two valves) so was looking to swap over to dual band Hive. I know the backplates are compatible, so should just be a case of...