HE compatible thermostat for uk

[djh_wolf]

Reliably setting various trv set points

@cjcharles Yup, not sonoff, nodemcu's. But same diff I guess. My boiler has a bypass, very inexpensive, so no issue. It's on my to do list to add a timer though to only pump 2 mins after opening, and to shut off 2 mins before closing just to save a bit of energy. It is good practice to have one single rad hooked up as 'always on', generally the bathroom. I didnt want that, and had the bypass fitted instead. I have another Piston which fires the boiler up or switches it off depending on what's…