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Salamander ESP75CPV Pumping hot Water Through Both Outlets

Posted: Wed Jun 19, 2019 8:14 pm
by Hardynook
Hi hope someone can help please
I've just replaced my salamander ESP 50 CPV with a salamander ESP 75 CPV.
The problem I'm having ,the pump is pumping out hot water through both outlets,the inputs and outputs are correct.
the pipe work to the pump has 22mm inputs / 15 mm outputs.
Hope someone can help me with the problem I woud be very grateful
Cheeeeeeeers