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The JB Industries HNS4-12 is an old-style extra heavy nut with a 3/4 in flared connection, manufactured from C360/C370 brass. It provides a sealed flare connection for copper, brass, aluminum, steel, and compatible plastic tubing, and is supplied as a two-pack. The fitting is forged for tensile strength, features a 1-3/8 in hex, and is rated for temperatures from -20 to 220 F and pressures that can reach up to 5,000 psi depending on conditions (valve core typically limits working pressure to 800 psi).
Old-style extra heavy flare nut, 3/4 in flared connection, C360/C370 brass, 1-3/8 in hex, 2-pack; -20 to 220 °F; up to 5,000 psi depending on conditions (800 psi valve core limit).
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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