Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
-
-
RHi, I am a carpenter rather than a plumber, but would say I have decent other diy skills. I have a similar set up - same programmer but a drayton diverter. I've read somewhere that the main capacitor can fail on particular batch...
-
RRattlymatt replied to the thread Honeywell ST9420C Issues.Sorry I should have put this in the central heating forum
-
RI have recently had issues with my central heating and water system. When the hot water is on, the radiators are hot. I thought this was the Honeywell Valve head, so I replaced it. Problem still there. I then spotted that the ST9420C...
-
-
Loading…
-
Loading…
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.
