3/4" Brass Service Valve Kit

BrassCraft TWV30RX 3/4" FIP x SWT Brass Water Heater Service Valve Kit with Pressure Relief Valve

The BrassCraft TWV30RX is a 3/4" brass water heater service valve kit designed to support residential water heater installations. This kit includes a hot-side valve with integrated pressure relief port and drain valve, and a cold-side shut-off valve. Engineered from forged brass, each valve is built for long-term durability and reliability in closed-loop plumbing systems. The kit also includes a factory-set 200K BTU pressure relief valve for compliance with system safety requirements.

Product Features

• Inlet/Outlet Size: 3/4" nominal FIP x sweat connection
• Body Material: Forged brass construction for strength and corrosion resistance
• Relief Valve: Includes 3/4" 200,000 BTU pressure relief valve
• Drain Valve: Integrated drain port on hot-side valve for easy maintenance
• Color-Coded Handles: Red and blue aluminum-coated handles for line identification
• Design: One-piece forged valve body with captive washer and coupling nut

Technical Specifications

• Model: TWV30RX
• Connection Type: 3/4" FIP x 3/4" SWT
• Working Pressure: Up to 125 PSI
• Temperature Range: 40°F to 180°F
• Relief Valve Rating: 200,000 BTU/hr

Installation Notes

The TWV30RX is suitable for use with tank-style water heaters in compliance with applicable plumbing codes. Install the hot-side and cold-side valves according to orientation markings. Use appropriate soldering techniques for sweat connections and verify sealing surfaces before applying system pressure. A licensed plumber should perform the installation to ensure safety and code compliance.

Contractor Application

This valve kit is designed to streamline water heater installations with integrated service and safety features. Its compact layout supports direct box mounting, and its one-piece forged body construction eliminates weak points, reducing risk of leaks in high-use systems.