Legend Valve 303-124 Brass Compression Pipe Coupling

Product Description

The LEGEND VALVE 303-124 is a brass compression pipe coupling designed to join 1/2 inch pipe to 3/4 inch copper tube without soldering or special tooling. Rated at 125 psi WOG (water, oil, gas), it handles typical residential and light commercial plumbing service pressures with a maximum working temperature of 180 degrees F. The all-brass construction resists corrosion and provides reliable long-term sealing performance. Licensed plumbers and experienced pipefitters install this fitting in water supply, hydronic, and low-pressure gas distribution systems where a compression-style mechanical connection is preferred or required.

This coupling is suited for repair and retrofit work in residential and light commercial plumbing systems. It is commonly used where copper tube runs transition between nominal pipe sizes, or where a solder-free connection is needed due to proximity to finished surfaces, live systems, or other heat-sensitive conditions. The compression design allows installation in tight spaces and supports future disassembly when service access is needed.

Key Features

• Brass construction for corrosion resistance and durability in wet service
• 125 psi WOG pressure rating suitable for water, oil, and gas applications
• Maximum working temperature of 180 degrees F
• Compression fitting design requires no soldering or open flame
• Connects 1/2 inch pipe to 3/4 inch copper tube in a single fitting

Compatibility

Designed for use with 3/4 inch copper tube and 1/2 inch nominal pipe in standard residential and light commercial plumbing installations.

Installation Notes

Installation is performed by a licensed plumber following applicable IPC and local plumbing code requirements. Shut off the water supply and relieve system pressure before making or breaking any compression fitting connection. Hand-tighten the compression nut first, then use an appropriately sized wrench to seat the ferrule — avoid over-tightening, which can deform the ferrule and cause leaks. Inspect for leaks at operating pressure before closing up the work area.