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Hi,
Where the valves screw into the aluminium rads has started to leak (all be it not that much). The system is a ordinary pressurised sealed system. The leak is hardly enough to drop the pressure. The system has been fine for 4yr+, I guess that the rubber gasket has started to fail. I have tightened the joint a bit, seemed to work for 6 months.
Obviously (rad) the system needs to drained down and the joint sealed. What is the best sealer to use on the treads?
Where the valves screw into the aluminium rads has started to leak (all be it not that much). The system is a ordinary pressurised sealed system. The leak is hardly enough to drop the pressure. The system has been fine for 4yr+, I guess that the rubber gasket has started to fail. I have tightened the joint a bit, seemed to work for 6 months.
Obviously (rad) the system needs to drained down and the joint sealed. What is the best sealer to use on the treads?