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The issue I have is water pumping up the vent pipe into the f/e tank. For some reason the water level of the tank is not rising. The pumping over happens whether the system is hot or cold. Also the downstairs radiators are struggling to get warm.
I have checked the pump, I've cleaned and balanced the system but can't think of any other reason for this issue.
i can raise the vent pipe but not by much.
ive attached some pictures of the set up. The boiler is on the ground floor the hot water cylinder and pump on the 1st floor and the tanks in the loft space.
Ive attached a picture of the set up. Flow from boiler comes up the far right then runs horizontal, the first 22mm tee is the vent and the second tee is the feed. If you look closely you can see that someone
has put in a check valve on the feed. Would this have any affect?
any help would be appreciated
I have checked the pump, I've cleaned and balanced the system but can't think of any other reason for this issue.
i can raise the vent pipe but not by much.
ive attached some pictures of the set up. The boiler is on the ground floor the hot water cylinder and pump on the 1st floor and the tanks in the loft space.
Ive attached a picture of the set up. Flow from boiler comes up the far right then runs horizontal, the first 22mm tee is the vent and the second tee is the feed. If you look closely you can see that someone
has put in a check valve on the feed. Would this have any affect?
any help would be appreciated