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The VALUE COLLECTION 101-504NL is a 3/4 inch swing-style check valve designed to allow one-directional flow and prevent backflow in copper piping systems. The body and seal are both constructed from brass alloy grade 46400, providing solid corrosion resistance in potable water and general plumbing applications. Rated at 200 WOG (Water, Oil, Gas), this valve is built to handle the pressure demands common in residential and light commercial installations. End connections are C x C (copper sweat), making it a direct fit for standard copper pipe work. Licensed plumbers and pipefitters are the primary installers for this type of fitting.
This check swing valve is suited for residential and light commercial plumbing systems where backflow prevention is required on 3/4 inch copper lines. Typical applications include domestic water supply lines, boiler feed lines, and irrigation systems where reverse flow could damage equipment or contaminate the supply. The C x C connection type means installation requires a sweat-solder process using standard copper fittings and flux.
Designed as an OEM-style replacement or new-installation check valve for 3/4 inch copper pipe systems using sweat (C x C) connections in residential and light commercial plumbing applications.
Installation is performed by a licensed plumber following applicable IPC or local plumbing code requirements. Shut off the water supply and fully depressurize and drain the line before cutting in or replacing the valve. Use appropriate flux and lead-free solder for potable water service in compliance with local code. Verify flow direction arrow on the valve body is oriented correctly before soldering connections.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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