Watts LF3L-3/4-150 Pressure Relief Valve

The Watts LF3L-3/4-150 Pressure Relief Valve provides reliable protection against overpressure in domestic storage tanks, tankless water heaters, and solar heating systems. This pressure relief valve features a poppet and lever design that relieves excess pressure quickly and re-seats to keep your system safe.

Designed for 3/4 inch connections, it offers a male thread inlet and female thread outlet, with a durable brass body, stainless steel spring, and silicone disc for long-lasting performance. The valve's set pressure ranges from 75 to 150 PSI, with a 150 PSI setpoint to meet common domestic and solar heating requirements, and a temperature rating up to 210°F. It is lead-free and built to endure regular use in hot water applications.

Key features and benefits include:

• Set pressure: 150 PSI
• Connections: 3/4 inch inlet/outlet with male x female threads
• Materials: Brass body, stainless steel spring, silicone disc
• Test lever included: Relieve excess pressure on storage tanks and systems
• Applications: Domestic storage tanks, tankless water heaters, and solar heating
• Standards: ASME HV, CSA, ANSI Z21-22/CSA 4.4; Lead-free
• Capacity: 200,000 BTU/Hour