Our entire system (as much as possible) gets drained out throughout the ride home. The water heater, low point drains/fresh tank drains are all open for the ride home, along with all fixture's to let air in and promote draining. Water sitting in the pipes etc. is a recipe for all kinds of nasty stuff to grow.
Its just too easy to drain every time. Hell, there are people that leave the RV fridge running 24/7 just to keep the condiment's left it there cold WTF.
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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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