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Old 10-27-2019, 06:14 PM   #10
Montana Master
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Join Date: Oct 2015
Location: westminster md
Posts: 1,382
M.O.C. #17894
Originally Posted by Fish View Post
My 2019 384BR has a duct that blows hot air from the propane furnace into the underbelly. Also a tank heater on the fresh water tank.

Last winter when it got down to 0 degrees even with the furnace running the useless outside shower at the back of the unit froze then started leaking. I dropped the underbelly and tightened the connections and it stopped. Next time at 0 degrees it busted. I unhooked the outside shower in the back and plugged the lines and have had no problems since.

My dump valves also froze for a day during that 0 degree spell.
0 degrees is pretty cold. I have had the fresh water drain line freeze. The heated underbelly is a joke. The heat, when it runs is directed at the 2 front tanks and has no chance of making it to the rear where the fresh water tank is. If it gets real cold I will put a ceramic heater in the basement to keep things warn it there.
2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS
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