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Thread: 337rls

  1. #1
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    337rls

    anyone know how many gallons of anitifreeze needed to winterize this model?

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    Site Team WhittleBurner's Avatar
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    It shouldn't take more than a couple Gallons. Back when we winterized it took less than 2 gallons in our 303.
    Marcy & Gary
    2014 Grand Design - Reflection 303RLS
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    2015 GMC Denali 3500 - Retired
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  3. #3
    Seasoned Camper SteveTN's Avatar
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    Quote Originally Posted by Danny1 View Post
    anyone know how many gallons of anitifreeze needed to winterize this model?
    I just did it and used 4 gal. Probably could have got by with 3 but it's cheap and I like to be a bit liberal with it. Whatever was left went in the drains to winterize the traps.. Don't forget the washer plumbing and the outside sprayer.
    Steve and Peggy
    Based in beautiful East Tennessee
    2016 Reflection 337RLS
    2017 Ram 3500 CCSB 4x4 CTD

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    Seasoned Camper Hobo Bill's Avatar
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    Quote Originally Posted by Danny1 View Post
    anyone know how many gallons of anitifreeze needed to winterize this model?
    I actually used 4 gallons to winterize my 2019 337RLS, and then had to go get a 5th gallon so I had some to pour into the traps and the toilet bowl.
    Hobo Bill
    From Cuyahoga Falls, Ohio
    Traveling Full Time Across the US
    2019 Reflection 5th Wheel 337RLS
    2007 Dodge Ram 3500 DRW Cummins 6.7 Turbo Diesel
    Goodrich T/A KO2 All Terrain Tires
    Reese RP30081 20K
    [SIGPIC][/SIGPIC]

  5. #5
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    Quote Originally Posted by SteveTN View Post
    I just did it and used 4 gal. Probably could have got by with 3 but it's cheap and I like to be a bit liberal with it. Whatever was left went in the drains to winterize the traps..
    Ditto. I always think I should be able to do it with 3 but end up using 4.

    Also, don't forget to pump antifreeze into the black tank flush port. I use this to do that: https://www.campingworld.com/plastic...B&gclsrc=aw.ds
    John & Cheryl
    Sold: 2017 Tiffin Allegro 31SA Motorhome
    Sold: 2017 Reflection 337RLS, dual pane windows, 2nd A/C, Go Power! Solar Elite w/2000 watt inverter, Titan electric/hydraulic brakes, Goodyear Endurance ST235/85 R16 tires
    Sold: 2015 Chevy Silverado LTZ 3500HD, SRW, Duramax/Allison, 50 gallon Transfer Flow auxiliary tank
    States we have camped in with an RV:

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