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Old 11-15-2019, 05:09 AM   #15
DebNJim B
Montana Fan
Join Date: Jan 2018
Location: Northville, NY
Posts: 379
M.O.C. #21158
Originally Posted by summer home View Post
My 375FL has the same drain... it is for the icemaker supply line
I think this is your answer. I have the 3731FL also. Manual says to turn off ice maker in freezing weather as the water line has exposed section to the slide. There should be a water shutoff under the sink that you close and then open that drain to remove any water that's In the line. Mine was in the center of the underbelly so I added an elbow and section of pex clamped to the drivers side near the convenience center. I didn't want to have to crawl under to drain that in freezing and maybe snowy weather.
Jim B
2017 Lariat F-350 FX4, CC, SB, 6.7 PSD 4WD
2018 MONTY 3731FL, Residential Refer
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