Winterize the Black Tank Flush

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Have just finished winterizing all the lines in the Pod.  But now I'm left with a question. 
The newer Pods come standard with an external Black Tank Flush system that connects externally at the dump station.  I'm thinking I need to run some antifreeze through that line as well wouldn't you think?

If so I guess I'll run the line from the garage sink on our 181g to the Black Tank Flush and then pump some antifreeze through it that way.

Does everyone thing that line probably needs some antifreeze in it also?  

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kymooses Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 01 Aug 2010 Location: Louisville, Ky Online Status: Offline Posts: 1807	Topic: Winterize the Black Tank Flush Posted: 01 Nov 2011 at 12:56pm
	Have just finished winterizing all the lines in the Pod. But now I'm left with a question. The newer Pods come standard with an external Black Tank Flush system that connects externally at the dump station. I'm thinking I need to run some antifreeze through that line as well wouldn't you think? If so I guess I'll run the line from the garage sink on our 181g to the Black Tank Flush and then pump some antifreeze through it that way. Does everyone thing that line probably needs some antifreeze in it also?
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kymooses Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 01 Aug 2010 Location: Louisville, Ky Online Status: Offline Posts: 1807	Posted: 01 Nov 2011 at 1:11pm
	I found this information on another forum and it makes sense that this would be the case with the Pod. I've also noticed that water does drain from the flush connection after you remove the hose also but just want opinions still if anyone has one. It’s not necessary to winterize the flush line to the black tank as there is a back flow prevention valve that will let air in at the top of the valve after the hose is disconnected & then part of the water drains out at the hose connection & the other part drains in to the tank, so there should be no water in the lines if all works as it should.
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techntrek Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group - pHp Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9059	Posted: 01 Nov 2011 at 1:14pm
	Makes sense, just like the shower hose which has a drain-back valve at the base.
	Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual