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Check valve flow restriction?
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Posted 1/7/2022 08:55 (#9424744)
Subject: Check valve flow restriction?

Le Sueur VIA St.Thomas


I installed a hot water recirculating line & pump to my kitchen sink/faucet when I finished my basement. I was supposed to add a check valve at the water heater inlet(to keep recirculating water flowing in the right direction). I was concerned about flow restriction from a check valve so I never installed one. Now I'm realizing I need one because I get warm water in my cold water lines from time to time.

Anyway... I need to install one but I'm still concerned about flow restriction. My water heater is all 3/4" fittings/lines. Right now it wouldn't be any harder to go to a 1" check valve if that was better. Will a 1" check valve perform better? Am I overthinking this?

good luck -jim

(recirc (full).jpg)

(recirc (full).jpg)

Attachments recirc (full).jpg (84KB - 97 downloads)
Attachments recirc (full).jpg (84KB - 103 downloads)
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