Yeah the black one, for heating and hot water. I just didn't connect any wires to the HW side as I don't have any to connect, and it hasn't complained.
You running it on a combi?
Yep, a regular Worcester Bosch thing.
@konastab01 started
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Yeah the black one, for heating and hot water. I just didn't connect any wires to the HW side as I don't have any to connect, and it hasn't complained.