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Bronze reducing elbow with cup and FNPT ends

Nibco, Inc.

Nibco, Inc. 707-3R-LF 1/2X3/8 Reducing Elbow Bronze Coupling

SKU CH-167R-ZWPXZ

Bronze 90-degree reducing elbow joins 1/2-inch copper tube to 3/8-inch FNPT for potable water at 577 psi and 200°F

  • Sweat connection simplifies copper installation
  • Reducing 90-degree elbow joins 1/2 in to 3/8 in
  • Bronze body rated for 577 psi and 200°F
  • Certified to NSF/ANSI 61 and 372 for potable water
  • Meets ASME B16.18 and ISO 9001 standards

Potable-Water Reducing Elbow

This bronze 90-degree reducing elbow connects 1/2-inch copper tube to a 3/8-inch female NPT thread for potable-water systems. It meets ASME B16.18, NSF/ANSI 61 and NSF/ANSI 372 standards for safe drinking-water use. The C87850 bronze body is rated for 577 psi at 200 degrees F.

Sweat-and-Thread Installation

Side A is a sweat cup that slides over 1/2-inch copper tube with a 5/8-inch outer diameter for soldering. Side B provides a 3/8-inch FNPT threaded port for a threaded adapter or valve. Clean tube ends and use lead-free solder; over-tightening the threaded joint can strip the bronze threads.

Sustained Pressure Performance

The fitting holds its 577 psi rating continuously at temperatures up to 200 degrees F without creep. Bronze construction resists dezincification and stress-corrosion cracking in chlorinated municipal water. ISO 9001 manufacturing controls ensure dimensional consistency across production lots.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 73% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameNIBCO

Questions about this item

How do I confirm the 90-degree reducing elbow is sealing correctly after soldering the 1/2 in cup and threading the 3/8 in FNPT?

Pressurise the line up to 577 psi and inspect both joints; no leakage at the sweat cup or threaded FNPT confirms the bronze C87850 fitting is working as intended.

What comes with the NIBCO 707-3R-LF and what must I supply separately?

The box contains the single bronze reducing elbow; you must provide copper tube, solder, flux, pipe thread sealant and any adapters required for the 3/8 in FNPT connection.

Which NIBCO reducing elbow should I choose for a 1/2 in copper tube to 3/8 in FNPT potable-water line?

Select the 707-3R-LF model; its 1/2 in cup, 3/8 in FNPT, 577 psi rating, 200 °F limit and NSF/ANSI 61/372 certifications match that exact application.

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