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therink · 06-16-2014, 10:17 AM

They are the low point drains for gravitational draining of the hot and cold water systems. Used for draining lines for winterizing. Open that valves on the tube ends and open all faucets, then the lines will drain.

06-16-2014, 10:17 AM	#3
therink Senior Member Join Date: May 2010 Location: Rochester, NY Posts: 1,605	They are the low point drains for gravitational draining of the hot and cold water systems. Used for draining lines for winterizing. Open that valves on the tube ends and open all faucets, then the lines will drain. __________________ Steve Rinker Rochester, NY 2013 Outback Sydney 340FBH (12,280 lbs loaded-scale) 2015 GMC Sierra Denali 3500HD, SRW, Duramax, CC, SB (payload 3700) https://i1109.photobucket.com/albums/...65/340FBH1.jpg