Do submersible pumps have a checkvalve built in? There is a check valve at the pressure tank. Wondering because if there is NOT, I'd be able to shock the well without opening the well-head (which is buried)
Mine has a check valve somewhere in the well. I don't have one anywhere else; so our systems might not be the same.
On Mon, 06 Oct 2008 19:49:57 -0400, clare at snyder dot ontario dot canada wrote Re Submersible well pump:
Yes.
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