When it gets cold, take out water filter, then winterize just the outside kitchen faucets and drain. Turn off the cut offs under the 1/3 bath sink, and then flush out pink stuff and put water filter back in. That worked for me last year until it got really cold. Then I winterized the entire coach. With all of our lines, it takes about 4 gallons of pink stuff. Only thing is, you can't use outside faucet during freezing weather.
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2012 Sandpiper 365SAQ weighing @ 15k, Onan, 2nd air, slide toppers, TST
2013 F350 6.7L Lariat 4x4 CC DRW,Viair 1007, Ride-Rites, Edge CTS, B&W
2001 Chevy 3500CC DRW 4x4, 8.1L, 4.10 gears w/ Detroit TrueTrac
2001 Ford Excursion Limited 4x4 7.3L,V/B Spring Mod, ProComps, Hellwig Swaybar, & other 'Necessities'
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