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Posted by HeatPro on December 04, 2004 at 16:38:29:
In Reply to: Oil Safety Valve. posted by Bill Z on December 04, 2004 at 13:56:08:
A valve that requires the pump to pull a partial vacuum to get the oil from the tank would give peace of mind. The possibility of a seal leak is extremely remote, but could happen; you don't get to see that happen many times in a lifetime.
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