Conbraco 18C-522-8-150 Temperature and Pressure Relief Valve 1" FNPT 150 PSI 8" Element

The Conbraco 18C-522-8-150 is a commercial-grade automatic temperature and pressure relief valve designed for protection of high capacity water heaters and storage tanks. This valve features a 1-inch size with an 8-inch element and 150 PSI pressure rating, with a BTU capacity of 3,625,000 per hour.

Key Specifications:

• 1-inch female NPT inlet and outlet connections
• 8-inch element length
• 150 PSI set pressure
• Maximum temperature service: 210°F (99°C)
• ASME Section IV certified capacity
• CSA Listed and Certified to ANSI Z21.22

Construction Features:

• Bronze body construction with silicone seat
• Brass stem with silicone disc
• Unique non-metallic coating protects the element against galvanic and electromechanical corrosion by isolating it from heated water
• Nylon element tube coating
• 304 stainless steel element spring, 302 stainless steel element pin
• ASTM B584 Bronze body, ASTM B16 Brass stem

This safety valve automatically discharges excess temperature and pressure to optimize system function and protect equipment. Benefits include increased thermal protection, decreased probability of tank explosion, increased operating safety, and extended service life of heating equipment while meeting critical safety requirements. Part of the Apollo 18C-500 Series, this valve is ideal for commercial HVAC applications requiring reliable overpressure and overtemperature protection.