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pressure valve leaking, pressure tank to be repressurized?
to the Expert...
I change 2 pressure valve they keep leaking on hydronic heating system mc lain boiler
I have the old type of pressure tank, I am told to re pressurized the tank with a pump
The system should be at 12 psi cold 22psi when hot
Is this the correct way to approach the problem, what type of pump and hoe much psi shoud I have in the tank 22psi? or how many bar for this system