On an S plan system were the boiler is sited away from the cylinder. Boiler in garage cylinder in loft. Would the zone valve best be sited near the boiler after the pump on the flow. Or by the cylinder on the flow? Or is there no real difference?
Zone valve near boiler or cylinder
- Thread starter dextur
- Start date
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Whatever is easiest to wire... although it could make a difference depending on where the heating splits from the main flow and return - pipe heat losses and all that.
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Yes a bypass is required to prevent the pump pumping against a dead head.
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