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Old 04-05-2009, 11:44 PM
Richard L Richard L is offline
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Join Date: Oct 2003
Location: England
Posts: 4,941
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40Hz is fine.

The black sealant on the valve body gets soft at 100C and melts at 150C. The only plausible explanation is temperature. The item is not repairable at this state.
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Richard L
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