Recent content by roland66

It's the other way round and they can Def work independently

Yes timed works fine. It's a 9 bed 4 storey house

I've never looked at back of programmer! A quick press is advance, a longer press of button gives options of b123

I don't use advance. But if I did it would be to next on

So you'll see the bst on screen after you've chosen b123. It says adv if advance.

It has a boost and an advance button. Adv and bst. When is on boost it's b1 b2 or b3.. Depending how many hours you want.

Yes, I should have clarified, it's been repurposed just for the two ch circuits. The problematic ds uses the heating one and us uses hot water one

I have a two zone CH system and only the ground floor has thermostat. Top floor has TRVs. When I put both circuits on boost for an hour, an hour or two before the timed would switch it on, the ground floor does not go off again. It's likely that the space never reaches desired temperature, but...

Ideally I'd like to fix this presumably original fitting or if not replace with modern siphon.. Any tips on doing the former or removing it totally