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  1. M

    Vaillant System with 2 heating zones and hot water

    Hi all, I have installed an ecoTEC 630 system boiler in my property and am looking into a control system. I am wanting to use the VRC430 with the VR65 or VR61 to control a downstairs underfloor heating circuit (with 6 thermostat controlled zones), an upstairs radiator circuit and a domestic hot...
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