Run the pump dry.
RV Winterizing….Blowing Out the Lines Method.
You will need an air compressor or some source of air with an air hose.
An air hose chuck.
Compressed air adapter. (blowout plug)
And less then a gal. of RV antifreeze.
1. Drain fresh water tank, close valve.
2. Drain hot water heater replace drain plug.
3. Dump and (flush if possible) both black and gray water holding tanks, leave gray water valve open.
4. Turn the pump on and open a faucet to run the pump dry. Turn pump off.
5. Screw compressed air adaptor into the fresh water inlet. The adapter is available from Camping World or most RV dealers.
6. Apply compressed air, keeping the pressure at 30 PSI but less than 40 PSI. You may need someone to hold the air hose on the adapter.
7. Open then close each faucet, hot and cold, one valve at a time, allowing the compressed air to force the water out of the line. Don't forget the shower and toilet and outside shower. Remove and replace the ice maker hose on the outside if equipped. Open both low point drains and close.
8. Remove the drain plug from the hot water tank and allow the compressed air to blow out the remaining water. Reinstall drain plug.
9. Remove the compressed air source and adapter.
10. Close gray tank valve.
11. Pour a few cups of RV antifreeze down each drain and toilet.
12. You’re done.
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2009 Ford F150 4x4 Super Cab, 2009 JayFlight 22FB
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