Quote:
Originally Posted by Mikerson
Where are you connecting the air compressor? Are you pressurizing the water pump, and do you have concerns of damage? I need to find another way…it takes way too long to flush antifreeze out of the system each spring.
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My winterizing protocol is to first drain my freshwater tank and then shut off the valves to isolate it so no antifreeze ever goes into the tank. Then I drain my water heater. Then I attack an air blow out plug to the outside water hose connection (see link below). Then I use my air compressor to put a little pressure (20-30 psi is plenty) in my water lines and blow out my water heater so I can isolate this so no antifreeze ever goes into my water heater tank. Then one by one I blow out all the faucets with a little air pressure.
It would probably be safe to stop here but I go one step further and pump a little antifreeze into the water lines. I rigged up a siphon hose on the input side of my water pump. I stick the siphon hose into a gallon jug of antifreeze and turn on my water pump to pump a little antifreeze to each faucet. I probably use about 1/2 gallon or so of antifreeze to protect the water lines and the pump. This also puts a little antifreeze into my black and grey tanks.
It is easy to clean this minimal amount of antifreeze out in the spring since there is none in the freshwater tank or the water heater tank. It works great.
https://www.amazon.com/Camco-36153-B...s%2C137&sr=8-8