Recent content by adriang

Yes, I meant that the Trv upstairs would shut off even though it was the one downstairs that was sourcing the heat. (of course, the upstairs one should be off too ..) That, with TRVs and return flow measurement only, the boiler has to circulate warm water in order to measure whether warm...

The warm air from the hall (and other ground floor rooms) continues to heat upstairs even after all the TRVs have shut off. Agreed, shutting doors might help. Easily forgotten, though. Yes, the hall is a reasonable place to ensure that there's always heat available for any TRV that wants it...

I'm in the process of getting my boiler (30 year old Ideal with HW tank, thermostat in hall, TRVs on all rads) replaced. The proposal is for a Vaillant eco+ 837 combi and to renew all the TRVs, most of which are jammed open. I'm keen to make the control system work properly. At present, hot...