Posted by Tom Petroff (IL) [64.12.116.207] on Wednesday, July 03, 2013 at 10:30:28 :
In Reply to: Re: MC544 port plugs? posted by gmharris [71.105.44.68] on Wednesday, July 03, 2013 at 05:41:04 :
The Vent line goes to a port (hole)with a shut off valve in the top cover.
TGP