General Overview

The 3/8" FNPT 4,000 PSI Quick Connect Brass Coupler is designed for secure, leak-free connections in medium to high-pressure washer systems. Made from solid brass for superior corrosion resistance and durability, this coupler allows fast, tool-free attachment between hoses, spray guns, and accessories. Ideal for both residential and commercial use, it maintains reliable sealing performance even under continuous high-pressure conditions.


Included in Your Package

  • 3/8" FNPT quick-connect brass coupler

  • Pre-assembled locking collar


Key Features

  • Rated up to 4,000 PSI โ€” built for medium to high-pressure applications

  • 3/8" FNPT threading โ€” universal compatibility with standard fittings

  • Quick-connect design โ€” fast, tool-free accessory changes

  • Solid brass construction โ€” corrosion-resistant and long-lasting

  • Leak-free performance โ€” precision-machined for secure sealing

Ideal For:

  • Hoses, spray guns, and wand connections

  • Residential & commercial pressure washing

  • Auto, boat, and equipment cleaning

  • Construction & property maintenance setups


Specifications

  • Thread Size: 3/8" FNPT

  • Max Pressure: 4,000 PSI

  • Material: Solid brass

  • Connection Type: Quick-connect coupler

  • Compatibility: Most professional pressure washer accessories

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