Recent content by colinfarrow

I see, so the switched live to the boiler, also feeds the pump as well, via the boiler.... A lot of newer modern boilers with internal pumps, like combi's, the pump is part of the firing sequence and controlled by the PCB isn't it.

Has anyone got the Honeywell wiring booklet/guide? I downloaded it. The wiring for a S PLAN with pump overrun doesn't make sense, the reason I say it is : the boiler has a NEUTRAL and EARTH connection as normal, a PERMANENT LIVE to it, and still has the switched live from the ORANGE...