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Old 03-10-2018, 10:15 AM   #5
Stanbro
Junior Member
 
Join Date: Feb 2018
Location: Hillsboro
Posts: 26
Quote:
Originally Posted by TomD1 View Post
Thanks Chuck, I plan on winterizing by blowing out the system with air being it doesn't get to cold here very often. I guess that hose won't get much use.
Using compressed air to winterize is a good idea but you still need to separately deal with the pump via that hose and valve.

Think about it . . . the external city water connection does not go to the pump input so no amount of air is going to blow it out. You can supply compressed air to the pump via that hose or you can stick the hose into an RV antifreeze bottle. Either way, you need to set the bypass valve to the winterize position and run the pump so that any water inside the pump is replaced with air or antifreeze. If using air, keep the pressure low so as not to damage the rubber diaphragm in the pump.

Afterwards, be sure to turn the valve back to the normal position so that, come spring, the pump draws from the fresh water tank and doesn’t just suck air through that hose. Spoken from experience.
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