Blowing Out Rv Water Lines

1 blow out the system with compressed air.

Blowing out rv water lines. You have to purge the entire system. There are two ways to do this. Every winter before it freezes it s important to winterize any trailer that has running water capabilities. Blowing the lines out will not get rid of the water in the pump or it s line that meets the main cold water line so that critical part of your water system needs to be protected and only by pumping antifreeze thru the pump will.

For each faucet clear out the hot water line first. However if you use this method you can t be absolutely sure that every drop of water is out of the lines. Rv blow out plug clear out your water lines quickly and easily camco s rv blow out plug with quick connect provides a quick and easy way to clear out the water lines on your rv. The quick connect has 3 4 11 nh hose threads and easily connects to your rv s city water inlet.

Blow out the hot and cold lines on other water faucets in the rv. Blowing out the plumbing lines with an air compressor. This is perhaps the easiest method but it requires an air compressor and a special blow out plug which can be purchased at most rv part suppliers. Imho the best thing is to forget the blowing out the lines and just use the rv antifreeze pumped thru the lines.

Many consider this to be the easiest method but you ll need an air compressor as well as a blow out plug you can buy a blow out plug at an rv supply store. This causes all kinds of fun for those that repair these things. I just key the compressor to about 25psi and connect it with a blow out adapter i got a nice brass one from wal mart for just a few dollars and open all of the valves which for me include the drain on the electric water heater the hot and cold on the sink and the hot and cold on the. Draining the water lines isn t enough.

Blow the lines out. Close it and blow out the cold water line afterward. If you re going to blow the lines out just leave the drain plug out for now. Close the first faucet you cleared out and open a different one.

The durable brass is designed to last a lifetime. Now that most of the water has been removed you can force the remaining water out with compressed air. If you aren t going to blow the lines out then put a couple wraps of teflon tape on the water heater plug and re install it. For if you don t the pipes or the hot water tank could expand and burst from the ice.

Take a systematic approach to your rv so you don t miss any faucets. Camco 36103 white plastic with schrader style air plug attachment 36133 black plastic with schrader valve 36143 brass with quick connect 36153 brass.