VIAIR 90145 RV Winterization Kit

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This kit is to be used with Viair 400P-RV\xa0or\xa0450P-RV\xa0models only. 1/4” Quick Connect Coupler And Stud (M, NPT) Blow Out Plug Regulator 220 PSI gauge VIAIR’s convenient and easy do-it-yourself winterization kit protects your RV’s water system from freezing during the long winter months, and helps avoid costly springtime repairs from damaged water lines due to winter freezes. Show more