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Hi, just wondering if anyone could provide me with advice please on an issue I am having with my open vent system.
I have recently installed 3 new rads and lost some circulation, when I went to the the loft a noticed that the cold feed was very hot, I have been told previously that header tank was too low and close to the pump as I have also have rads on the same level in the loft conversion. I decided to fit a new header tank in higher position and further away from the pump, but I left the open vent over the old tank, I seemed to had fixed the over heating of the CW feed pipe but when the pump stops I get cold water from the open vent pipe, I also have air in and around the filter. Any assistance would be appreciated.
I have recently installed 3 new rads and lost some circulation, when I went to the the loft a noticed that the cold feed was very hot, I have been told previously that header tank was too low and close to the pump as I have also have rads on the same level in the loft conversion. I decided to fit a new header tank in higher position and further away from the pump, but I left the open vent over the old tank, I seemed to had fixed the over heating of the CW feed pipe but when the pump stops I get cold water from the open vent pipe, I also have air in and around the filter. Any assistance would be appreciated.