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RV Winterization

It's crucial that you prepare your RV before cold weather sets in. The winterization process protects your RV's plumbing and other components from freezing temperatures and helps avoid costly repairs.


FREE Winterization

For Bish’s Diamond Club Members

When you purchase your RV from Bish’s, you get FREE basic annual winterizations as a Diamond Club lifetime benefit.* Our annual Winterization Days is one way we like to thank our customers for purchasing from Bish’s RV!

*Basic RV Winterization. Does not include residential refrigerators, icemaker, dishwasher, or washer/dryer. Please make an appointment if you have any of these appliances.

Annual RV Winterization
During the winterization service, we blow out the lines and fill P-traps with antifreeze, perform a visual inspection, including the roof, all seals, and wheel bearings, and make recommendations of any suggested repairs prior to next camping season.

Quick Tip
There may be RV parts on special during Winterization Days, so be sure to take advantage! Past specials have included jack stands, water filters, and hoses.



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What to Expect

Tips & Tasks Before You Arrive

During our annual Winterizing Days event, no appointment is necessary (with exception of an RV with a residential refrigerator, icemaker, dishwasher, or washer/dryer). Be prepared to stay with your RV during the process, which can take up to 30 minutes, depending on the length of the line.

To make the RV winterization process go as quickly and efficiently as possible, we have a few to follow prior to your arrival.

Must-Do:

  • Empty the grey and black tanks

Suggested:

  • Open the low-point drains to drain out excess moisture
  • Confirm that the RV batteries are charged
  • If the temperatures are cold, please run your furnace on the night before and/or day of your winterization to warm up the plumbing
  • At a minimum, be sure you have enough propane to power the furnace during the winterization

2022 Free RV Winterization Dates


BILLINGS, MT
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 7 & 8, 2022: 9 a.m. to 5 p.m.
BOZEMAN, MT
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 7 & 8, 2022: 9 a.m. to 5 p.m.
CENTER POINT-URBANA, IA
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
  • October 21 & 22, 2022: 9 a.m. to 5 p.m.
CHEYENNE, WY
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
DAVENPORT, IA
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
  • October 21 & 22, 2022: 9 a.m. to 5 p.m.
GREAT FALLS, MT
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
IDAHO FALLS, ID
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
JUNCTION CITY, OR
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
  • October 21 & 22, 2021: 9 a.m. to 5 p.m.
KALISPELL, MT
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
KEARNEY, NE
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
LINCOLN, NE
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
MERIDIAN, ID
  • October 21 & 22, 2022: 9 a.m. to 5 p.m.
  • November 4 & 5, 2022: 9 a.m. to 5 p.m.
OMAHA, NE

Winterizations are taking place at our RV Service Center:

3 blocks west of 72nd & L
7502 L Street Omaha, NE 68127

  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 14 & 15, 2022: 9 a.m. to 5 p.m.
TWIN FALLS, ID
  • October 7 & 8, 2022: 9 a.m. to 5 p.m.
  • October 21 & 22, 2022: 9 a.m. to 5 p.m.
SALT LAKE CITY, UT
  • September 23 & 24, 2022: 9 a.m. to 5 p.m.
  • October 21 & 22, 2022: 9 a.m. to 5 p.m.