O' Ring Kit ( Clamp Style Pump 1990 & Older) 319039
O' Ring Replacement Kit:
(Clamp style Pump - 1990 & older)
Installation Instructions Included
Posted by Frank Sullivan on 4th Aug 2016
Took a while to get here but my fault for ordering late Friday product was as described.
10mmHg and silicon grease
Posted by Colin on 19th Jul 2015
Found a pinched and deformed gasket from a previous rebuild so I ordered this kit. I bought Danco brand silicon grease from the plumbing section of the Blue store to lubricate these before use. I put the lubricant in the gasket grooves to keep them in place. Pump drew down to 10 mm Hg on a vacuum gauge, previously it pulled much less. 10 mm is the magic number and voila, it now works flawlessly.
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