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Dazzler13 · 20-01-2021, 12:28

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

DublinDilbert · 20-01-2021, 15:18

Yes all earths should be connected together.

20-01-2021, 12:28	#1
Dazzler13 Registered User Join Date: Jan 2021 Posts: 7 Adverts \| Friends	Earth wire 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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20-01-2021, 15:18	#2
DublinDilbert Registered User Join Date: Jul 2006 Posts: 5,125 Adverts \| Friends	Yes all earths should be connected together.