Just a quickie, should i tee off for an exp vessel before a balanced tee off or after? Or does it not really matter?
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So the tee for any expansion vessel connection must go in between the cold feed connection to the cylinder and the expansion safety valve fitting as that contains the check valve, required by the Water Regs.In.the earlier thread u see i mentioned that the new heatrae sadia valves dont have a exp vess port
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