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Midline Valve 372U322 Inline Spring Loaded Check Valve, Backflow Prevention, 1 in. FIP Connections, Cast Brass, 1

Free shipping on orders over $29.99

$19.72

$ 8 .99 $8.99

In Stock

1.:5 Pack


2.Size:1 In.


About this item

  • Inner Spring Blocks Reverse Flow in Piping Systems
  • Heavy Duty Cast Brass Body and Disc; Dezincification Resistant; Corrosion Resistant; Lead Free
  • Threaded Ends Comply With ANSI.B2.1
  • CSA Approved; ConForms To NSF/ANSI-61/372
  • 200 PSI CWP ( Non-Shock)



From the manufacturer

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Kindle Customer
August 17, 2025
Nice valves, easy to install.
Randoɱ X
June 30, 2025
The media could not be loaded.
Lindsay Brown
June 27, 2025
I bought this for my lawn pump. It doesn't have a foot valve and only has this midline valve to maintain the prime in between uses. I only use the pump once every week or so. Previous plastic valves did NOT work. they leaked and the pump would need to be primed for every use. This valve did the trick! I highly recommend.
JAMES ECKERSON
May 10, 2025
The valve seems to be made well. Hopefully the interior materials are durable. I have used thousands of 1" check valves on submersible well pumps. I'm using this 3/4" one on a geothermal heat pump.
Mark Asche
April 2, 2025
I bought this after the install of my well, and connected it between the pressure tank and the pitless adapter. Works great, easy to install, no leaks! Great buy for the money.
highmarkmike
February 5, 2025
Good price works awesome thanks
Charlie Tran
February 4, 2025
delivery on time, product work good
Matthew Murray
December 22, 2024
This unit is built to last. I am very happy with the quality of this check valve. Even though no check valve gasket can forever withstand the sand and calcium particles (from my water softener) in my basement sump, I still expect at least ten years or so of reliable operation.
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