Winterizing our 2017 Keystone Cougar trailer
Winterizing procedure for our travel trailer:
- Buy two large containers of RV winterizing solution
- Hook up to electricity or charge up the batteries (to run the pump)
- Empty the water heater by taking out the long plug, and then leave the plug in the same compartment
- In the kitchen behind the sink, bypass the water heater by flipping a switch
- Drain the water storage tank from under the trailer
- Drain the black water containers and the grey water container
- Uncover the pump system in the bedroom by propping up the bed and sliding out the carpeted piece
- Take the water line off of the pump that comes from the water storage tank
- Use the winterizing tube to connect to the pump and put the end of the tube in a container of antifreeze
- Run all of the faucets in the trailer until pink solution comes out (kitchen sink x 2, bathroom sink x 2, shower, toilet, outside shower
- Disconnect the water pump tube from the pump, but leave the tube from the storage tank unconnected
- Pour the leftover antifreeze into the sinks, toilet, and shower
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