Ok but what if I connect the ufh pump live with the brown of the ufh valve and NOT the orange of the ufh valve? A demand from the rad circuit will only backfeed up to this connection and no further?? So, if I'm using the dedicated HW and CH connections in the boiler do I need to run a L and N...
Hi.
I have to connect up a Worcester Bosch Greenstar 12\18 OIL FIRED Combi boiler with the following;
2 CHANNEL PROG
Zone 1- HW( no cyl stat. no external 2 port valve)
Zone 2- CH Rads (room stat,2 port valve.)
UFH - 1 zone only so no UFH wiring centre
(prog stat,ufh pump,2 port valve,)
I...
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