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I have wired it on the " hot water" only side of the time clock and every appears to be ok. The boiler stat stills cuts the boiler when satisfied but this does not affect the HW side and the valve remains energised and therefore in my case shut. These valves seem to have a small bore even when...

Thanks Doc. It was for a one radiator aplication for a pool room. It will close when energised just heating the one radiator but allowing a flow back to the coil of the tank. As an extra it can be closed for " hot water " only in the summertime. I have installed a new time clock so that when...

It appears easily enough wired as this model only has 3 wires ( blue , brown and earth ). It looks as if it would not have enough flow through it when it is open. The ball does not come away from the seat of the valve very far when in the open ( normally ) position. ---------- AUTO MERGE Post...

I have just purchased a normally open motorised valve for a particular aplication. What I would like to know is has anybody ever installed / wired one of these?