Conbraco Industries 18C-511-5-150 3/4″ T&P Relief Valve, 150 PSI/210°F, 5″ Probe

Description

Conbraco Industries 18C-511-5-150 Temperature & Pressure Relief Valve

The Conbraco Industries 18C-511-5-150 is a heavy-duty Temperature and Pressure (T&P) Relief Valve engineered to protect water heaters and hydronic heating systems from dangerous overpressure and overtemperature conditions. With a factory-set pressure of 150 PSI and a temperature rating of 210°F, this valve automatically opens to release excess pressure or heat before it can cause equipment damage or system failure.

Key Specifications

• Inlet Connection: 3/4″ Male NPT
• Outlet Connection: 3/4″ Female NPT
• Set Pressure: 150 PSI
• Temperature Setting: 210°F
• BTU Capacity: 1,912,000 BTU/hr
• Probe Length: 5 inches
• Valve Type: Temperature and Pressure Relief Valve

Product Features

• Factory pre-set at 150 PSI and 210°F — no field adjustment required
• High BTU capacity of 1,912,000 BTU/hr suits a wide range of commercial and residential water heating applications
• 5″ probe length ensures accurate sensing deep within the water heater or boiler vessel
• 3/4″ Male NPT inlet and 3/4″ Female NPT outlet for straightforward installation into standard piping systems
• Durable construction from Conbraco Industries, a trusted name in valve manufacturing
• Provides critical overpressure and overtemperature protection in compliance with industry safety standards

Application

The 18C-511-5-150 is designed for use on residential and light commercial water heaters, boilers, and hydronic heating systems where code-compliant T&P relief protection is required. The generous 1,912,000 BTU/hr discharge capacity makes it suitable for high-output water heating equipment. The 5″ probe ensures the temperature-sensing element reaches the hottest zone of the water in the tank or vessel, providing fast and accurate response to overtemperature events.