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Hermetic Spun Copper Design
Magnetic Checking Action
Built-In 30 Mesh Stainless Steel Strainer
Can Be Installed In Any Position
Inlet Connection Size3/4” ODF Solder《br> Outlet Connection Size3/4” ODF Solder
Maximum Working Pressure (psig)680
Nominal Tons R-22 Suction 40°F @ 1 psiSuction 3.3, Liquid 27
Nominal Tons R-404A 40°F @ 2 psiDischarge 5.82, Suction 2.77, Liquid 18.36
Nominal Tons R-410A 40°F @ 2 psiDischarge 7.87, Suction 3.96, Liquid 26.92
ApprovalsUL/CUL File Number SA5312
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Reviews
- S
Sandy Ison
Dec 18, 2025
EMERSON Check Valve ACK-12Great Job Site Thank You ByeHelpfulUnhelpful - J
Joe Stephenson
Apr 06, 2025
EMERSON Check Valve ACK-12Great products, can't wait to buy more.HelpfulUnhelpful - C
Craig Wiita
May 22, 2024
EMERSON Check Valve ACK-12Easy to find and buy now.HelpfulUnhelpful - M
MICHAEL NIEMANN
Jan 06, 2024
EMERSON Check Valve ACK-12Fast and efficient!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
EMERSON Check Valve ACK-12All was ok! No problems whatsoever.HelpfulUnhelpful
EMERSON Check Valve ACK-12
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee

