having spent the evening in a cramped airing cupboard ...
hot water supply piping all OK. All hot taps run with no air and no hot water.
I seem to have 2 pumps: one for feed to heating coil in cylinder (plus rad in bathroom, plus god knows what else) and one in feed to radiator circuit...
Hi Guys,
I replaced my leaking indirect hot water cylinder last week. Cos I'm an amateur it took me a few evenings (with the water off and CH system drained). Now it's all back together, but problem with hot water.
The boiler comes on, but goes off after a few minutes. Once its gone off it...