Watts F121528 Pressure Relief Valve 1-1/4 inches LF174A

Product Description

The Watts F121528 pressure relief valve features a 1-1/4 inch NPTF female inlet and outlet. It has a pressure relief setpoint of 150 psi. This valve is suitable for hot water space heating boiler applications to prevent excessive pressure. It has a body made of lead free copper silicon alloy and includes a non-metallic disc-to-metal seating and a test lever. The product also includes a flood sensor with SentryPlus Alert technology.

• Includes a flood sensor with SentryPlus Alert technology for detecting excess water discharges.
• Requires an activation kit for sensor operation.
• Constructed from lead free copper silicon alloy.

Product Highlights

Reliable protection against excessive pressure in water heating systems.

Product Information

Standard Information

• Brand: Watts
• Domestic/Import: Domestic

Technical Specifications

• Body Material: Lead Free Copper Silicon Alloy
• Inlet Connection Size: 1-1/4 inches
• Inlet Connection Type: Female Threaded
• Lead Free: Yes
• Outlet Connection Size: 1-1/4 inches
• Pressure Relief Setting-PSI: 150
• Capacity: 6340000 BTU/hr
• Application: Heating
• Temperature Range (F): 250°F Max
• ASME: Yes
• Media: Water
• Trim Material: Non-Metallic
• Type: Automatic Reseating
• Inlet/Outlet Size: 1-1/4 inch NPTF female
• Set Pressure: 150 psi