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Ten brass reducing couplings with threaded ends

Value Brand

Value Brand 1/2" x 3/8" FNPT Brass Reducing Coupling 10PK

SKU CH-QXZJ-N3VJ0

Ten-pack of brass reducing couplings with FNPT threads, rated to 1200 psi and -65 to 250 °F

  • 10-pack reduces reorder frequency for plumbing jobs
  • Brass body resists corrosion in water systems
  • Class 150 rating handles 1200 psi working pressure
  • Operates from -65 °F to 250 °F for hot and cold lines
  • FNPT threads seal without extra adapters

Brass Reducing Coupling 10 Pack

This pack contains ten brass reducing couplings designed to join 1/2 inch and 3/8 inch FNPT threaded pipes. They suit plumbers and maintenance teams needing reliable transitions in water, air or inert gas lines. The Class 150 rating covers standard residential and light commercial pressure requirements.

Pressure Rating 1200 PSI Temperature Range

Each coupling withstands up to 1200 psi at the rated class and operates from minus 65 to 250 degrees Fahrenheit. Brass construction resists corrosion and does not require lubrication during assembly, keeping installation clean. The material handles thermal cycling without cracking or leaking at the joint.

California Proposition 65 Compliance Notice

The brass alloy contains substances listed under California Proposition 65 for cancer and reproductive harm risk. Installers should wear gloves and wash hands after handling, especially before eating. No additional seals, tape or software are included in the package.

How it compares

Measured against everything we stock in Bath Accessories & Soap Dispensers, at today’s prices. Recalculated every night.

Price $44.99
Typical for this category: the median of 1,499 items is $39.99.

Specifications

Product
Brand nameZORO SELECT
Product typeOther

Questions about this item

How do I install the 1/2" x 3/8" FNPT brass reducing coupling and what step is often missed?

Wrap PTFE tape clockwise on the male threads before threading into the FNPT ends; the step often missed is ensuring tape does not overhang the first thread, which can block flow.

What maintenance or replacement will the brass reducing coupling need over time?

Inspect for dezincification or mineral buildup annually; replace if threads show corrosion, cracking, or if leaks appear at the 1/2" or 3/8" FNPT joints.

What limit appears first when the coupling sees sustained pressure and temperature?

The 1200 psi pressure rating at 250 °F is the primary limit; sustained operation near both maximums reduces safety margin faster than either factor alone.

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