Recent content by Dgascoigne

I had some Quinn Slieve radiators fitted about 18 months ago 5 horizontal and 1 vertical and noticed just recently that all the horizontal ones are relatively cold at the bottom compared to the top, the vertical one is fine, got my plumber back to balance the system which he did to some degree...

Proved it to RF receiver new one ordered

Can someone confirm if I connected CH ON wire from programmer to brown wire going to valve that this bypasses the room stat so thats why it didn't turn off using the room stat only by switching it off at programmer, so could the fault be with the Room stat, I have a Salus RT500RF Programmable...

Connected brown from valve to CH out wire, valve operates ok boiler fires but cannot control temperature via rf room stat see rf stat receiving signals from stat, green led switching on and off but only way to stop is via programmer

Tony that's right it is the wiring centre that I have and believe it has a PCB which does the connections, will try what ScottishGasMan suggested, new wiring centre is on £13 from my local plumbers merchant. As someone that works for BT for many years I have seen cracked boards causing problems...

ok will give it a try when I get home from work and let you know

Have a Vaillant ecoTEC plus 618 boiler, wired as S plan, 2 x Honeywell motorised valves, Honeywell ST6400 programmer, Honeywell wiring centre and Salus RT500RF. After the summer found had no CH which I traced to valve head which I changed, worked ok for a few hours and then packed up again, did...