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- 28 Sep 2007
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My heating system is banging "loudly" I have a Potterton Suprema 60 Boiler. Had a plumber look at it and he opened and left open the filling valve. The gauge is at zero but it always has been so I thing its broke and not registering the pressure. The sstem was still banging even with the fill valve open so I closed it Same result...Any ideas welcome??