Drain the fresh water holding tank.

How to winterize a travel trailer using air. Connect your air compressor and begin pushing air into the system with the heater drain open (and the pressure release valve closed). Use the air compressor to blow out the black tank flush system, if. Finally, blow compressed air into the black tank flush to force all remaining water out of the tank.

Now comes the fun part, using the. This is where you usually attach your hose when hooking up at a full. Remove any inline water filters as well as the bypass before completely draining the fresh water holding tank.

Connect the blowout plug to the city water inlet. To winterize a travel trailer, all you need do is flush and drain the black and gray water tanks, flush and drain the water heater, avoid using. To winterize your rv using compressed air, you will only need a few things.

Make sure all the fresh water holding tanks are empty and drain valves are. How to winterize rv water system with compressed air Before you start winterizing your trailer, you should empty the black and gray tanks first.

Third, open the hot and cold water valves. Knowing how to winterize an rv using compressed air will ensure you complete the process properly. Do the same for both the gray and black holding tanks.

Pump pipes full of antifreeze (the rv type thats. How to winterize a travel trailer. Empty the sewage tanks first.