Recent content by hobbes748

Morning. Hope everyone had a good Christmas. Sorry - maybe it's the quality of the photo, but they don't. The brown from A1 connects to grey from R1 and also the brown that goes back to the boiler (which I think is where the issue lies)... Without doing a thing, the heating cured itself for...

OK, I'll give that a shot. I did give them all a tug to make sure nothing's loose, but I'll give them a proper check in the morning when everyone else is out and I can get a bit of quiet to concentrate.

Yeah, they're both 2 port valves.

I've attached a diagram in the previous post. A1+A2 are the Actuators, R1 + R2 are the receivers. It's A1 that's giving me grief.

Yeah, I'd half-sussed it was getting power from somewhere it shouldn't be. I do have a multimeter, but I'm not 100% confident/competent to go poking round with AC unsupervised. Happy to fire in if somebody tells me where. I'd sketched out a schematic of the wiring (attached) to try and get...

Afternoon! The actuator on our downstairs heating loop has become stuck in the open position (so the boiler was constantly on heating up downstairs), even though the thermostat isn't requesting the actuator open. It's not mechanically stuck - it closes normally if you cut the power to it...