Search results

Thanks Ian, so now confused, traced to the wiring centre, disconnected the aux circuit on HW valve, and tested the boiler and all worked so, replaced the HW actuator, danfoss hpa2 so complete actuator, restested system and still have the same fault. totally confused dot com Please any...

Thanks Ian, I never thought of the motorised valve, they are danfoss hpa 2, so I am guessing then the switch is permanently closed and testing by the orange grey would confirm?

S-plan, 2 motorised valves , 1 for heating and 1 for hot water.

Hi All, I have a logic s30 boiler with hot water tank, 2 diverter valves and programmer. All just over 2 years so out of warranty. up until recently everything worked great, now a small issue. If I set programmer for heating only works great. I I set programmer for hot water, either with or...