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Earth wire

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  • 20-01-2021 1:28pm
    #1
    Dazzler13
    Registered Users Posts: 13 ✭


    Hi. Changing motorised valve on heating system. Old danfoss hpa2 valve has only 4 wires. New valve has an earth wire. Can I just connect this earth wire to the existing 2 earths from the mains and thermostat that are in the junction box. They’re 2.5 wire. One from valve isn’t


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