2 port valves

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    Conflict between wiring centre diagram and wireless receiver diagram

    Hi all, I'm yet another poor sole trying to get their heads around central heating wiring. I've currently got a Salus IT500 configured to run just central heating. Boiler is a Worcester 34CDI. Now i've added UFH to downstairs I want to be able to control 2 zones, upstairs rads and downstairs...