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Old Nov 11, 2012, 01:01 PM
Lawrence B is offline
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Mill Hill - London
Joined Aug 2009
107 Posts
Hi,

about everything you need to know is here

http://www.joewoodworker.com/veneering/EVS/concept.htm

the MAC valve lets the vac pumps start unloaded and will extend its life. My system gets used infrequently - i didnt bother with a MAC valve

Regards and happy bagging

LB
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