Precision Engineered for Performance Built for stable, reliable operation with a compact design. The smooth brass construction ensures durable performance, and the ergonomic handle allows for easy manual testing to verify proper functionality. Universal 3/4 NPT Compatibility Standard 3/4 inch NPT thread size for broad compatibility with most water heaters and mini electric water heaters. Versatile design supports seamless integration with a wide range of brands and models. Temperature & Pressure Engineered to withstand demanding conditions: automatic pressure release at 150 psi and temperatures up to 210 F. Suitable for both residential and commercial water heating systems, providing protection against overheating and overpressurization. Automatic Pressure Release Safety Reliable pressure relief mechanism prevents dangerous pressure buildup in the water heating system. Maintains safe operating conditions and helps protect equipment from potential damage or explosions. Use scenarios Home water heater upgrade: install on a standard residential tank to prevent overheating or overpressurization during demand periods or when temperature settings are unexpectedly . Replacement in aging systems: a worn or faulty relief valve to restore proper safety relief and protect against pressurerelated failures. Small commercial applications: use on compact commercial heaters or mini electric systems to maintain safe pressure and temperature, ensuring continuous operation in busy environments.