Hi checked the orange wire on the 3 port valve as suggested. In doing so I notice that the neutral wire from the boiler had come lose. Reattached and bingo - boiler firing again!
So many wires and in an awkward position in a dark cupboard...
Still no joy on getting the port valve into...
Hi - thanks for reply.
I think the water is circulating round - the pump is working away and I can feel the water moving through the pipes - the boiler isn't getting warm either though so it seems that perhaps the boiler just isn't firing up?
Hi,
Last night I replaced our faulty Honeywell 3 way port valve head - it hadn't worked since we moved in three years ago - it wasn't letting flow into the hot water cylinder - just into the central heating. It never bothered us as we have electric shower and dishwasher - no real need for...