Forum Discussion
Kayteg1
Jan 23, 2017Explorer II
Check valves allow 1-way water flow, so it will work wiht your way of winterizing.
I don't usually winterize in CA, but during winter preparation I am trying to empty whole system, so back-draining would not work.
I don't usually winterize in CA, but during winter preparation I am trying to empty whole system, so back-draining would not work.
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