Recent content by nluz

Thanks for the prompt feedback! Could this be fixed easily with a bit of DIY rewiring - or best left to a professional?

I have an interesting situation with my CH system (please forgive lack of proper terminology - CH novice!!) my system has one pump immediately before what looks to me like a 3 port valve. 1) When the hotwater cylinder thermostat "demands" hot water, the pump comes on, a minute or so...