Be very careful with the blowout method. ( I personally do not trust it) There is know way of knowing if ALL the water has ben blown out. Some water will settle in low spots of pipes. Some of the pipes are in TOTALY inaccessible places that run through the camper floor. I know many people that have been burned by that method in the spring when they went to use there unit. They had a free sprinkler system from all the broken pipes that froze.
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2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch. 5 step glow steps
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS
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