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Water system winterization w/ compressed air?

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Category: Hints and Tips
Forum Name: 415/418
Forum Description: 415/418 Hints, Tips and News
Printed Date: 26 January 2021 at 14:39
Software Version: Web Wiz Forums 12.01 -

Topic: Water system winterization w/ compressed air?
Posted By: Ilkhanse
Subject: Water system winterization w/ compressed air?
Date Posted: 08 November 2019 at 13:01
Curious if anyone does this on their 415 and if so, how?

Posted By: sflier
Date Posted: 08 November 2019 at 14:16
I have not done it, but it should be easy if you connect the air to the outlet side of the hose attached to the water pump.  Keep pressure under 40PSI and open valves farthest away to nearest in sequence.  Enjoy.

Posted By: Black Diamond
Date Posted: 09 November 2019 at 17:14
I would do this as an "also" rather than an "instead of".    If there are low spots in the system where water can pool I'm not surer this will not move it. 

I'm also doubtful about it getting water out of things like the shower mixing valves which could freeze and then spray all over the place in the spring..

S/V Black Diamond
Hanse 575 Build #192, Hull# 161
Newport, RI

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