Gathering air in three radiators on third floor. All downstairs rads Ok and header tank is full. Obviously drawing in air ahead of or in first radiator. Any tips for tracing the leak?
It might not be a leak, and it might not be air. Turn a container upside down over a bleed valve and let the gas out so it can collect in the container. Then light it, if it pops, it's hydrogen. If so it's corrosion that's causing the problem.
It might not be a leak, and it might not be air. Turn a container upside down over a bleed valve and let the gas out so it can collect in the container. Then light it, if it pops, it's hydrogen. If so it's corrosion that's causing the problem.
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