Watts 0121508 1" NPT 250 Degrees F 150 PSI Bronze Pressure Relief Valve

Lead-free cast copper silicon alloy body safety relief valves for pressure protection only of all types of hot water heating boiler equipment. Pressure range 50 to 150psi (3 - 10 bar) with corresponding high ratings from 2,459,000 to 14,370,000 BTU/hr. Female inlet and outlet connections. Sizes 3/4 in. - 2 in. (20 - 50mm). The LF174A features Lead Free* construction to comply with Lead Free* installation requirements conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control.

Features:

Seat located above drain; water cannot be trapped and sediment cannot foul seat
Non-mechanical seat-to-disc alignment will not stick or freeze
Water seal of high temperature resisting material isolates spring working parts from water during relief

Specifications:

Manufacturer: Watts
Manufacturer Part Number: 0121508
Product Type: Pressure Relief Valve
Material: Bronze
Connection Size: 1" NPT
Maximum Temperature: 250 Degrees F
Pressure Set Point: 150 PSI
Dimensions: 5.95" x 4.85" x 2.85"
Weight: 2.08 lb.

Tech Sheet