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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 Size1-1/8” ODF Solder
Outlet Connection Size1-1/8” ODF Solder
Maximum Working Pressure (psig)680
Nominal Tons R-22 Suction 40°F @ 1 psiSuction 6, Liquid 51
Nominal Tons R-404A 40°F @ 2 psiDischarge 10.55, Suction 5.04, Liquid 34.68
Nominal Tons R-410A 40°F @ 2 psiDischarge 14.27, Suction 7.2, Liquid 50.85
ApprovalsUL/CUL File Number SA5312
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- Q: How can I cancel or modify an order?
A: If you need to cancel or modify an order, please contact our customer service team as soon as possible. We will do our best to accommodate your request based on the order status and feasibility.
- Q: Do you have any recommended alternative products?
A: Yes, we have a range of recommended alternative products available. If you're looking for options similar to a particular product, our website or customer service representatives can provide you with suitable recommendations based on your preferences and needs.
- Q: What should I do if a product is lost or damaged during shipping?
A: We purchase shipping insurance for every order to ensure the safety of the products during transportation. If the products are lost or damaged, please contact our customer service team promptly. We will assist you in resolving the issue and provide appropriate compensation.
Reviews
- R
Rebecca L Coyle
Dec 15, 2025
EMERSON Check Valve ACK-18I got it for a steal!HelpfulUnhelpful - A
Alan Johnson
Apr 15, 2025
EMERSON Check Valve ACK-18Simple and straightforward navigation.HelpfulUnhelpful - W
Wendy Duncan
May 15, 2024
EMERSON Check Valve ACK-18I'm so happy, I'm over the moon!HelpfulUnhelpful - N
Nicholas Edgeworth
Dec 21, 2023
EMERSON Check Valve ACK-18Customer service as good and part was delivered as promised.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
EMERSON Check Valve ACK-18All was ok! No problems whatsoever.HelpfulUnhelpful
EMERSON Check Valve ACK-18
✔ In Stock (Can ship in 5-7 days)

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

