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replacing switchmaster midi 3 port valve?

can a sunvic 3 port momo valve replace an old switchmaster midi 3 port. if so can anyone tell me how to wire it as the switchmaster has 6 wires but the sunvic momo only has 4

leaky in portsmouth
June 2009
SwitchmasterHeating, Home Heating Systems
red+orange on sm go to orange on sunvic
white on sm goes to grey on sunvic
yellow on sm goed to white on sunvic
earth not needed as double insulated
hope that helps

Paul the gasman
June 2009
if you have 6 wires you need to know if all are needed ,if they are then you will need to rewirer the lot again you may find that the room sat is two of them wich leave 4 left (wires) L, N, E, swich Live
hope this helps good luck

capitalboilers.co.uk
June 2009
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