Watts LF53L-150 Pressure Relief Valve

The Watts LF53L-150 Pressure Relief Valve provides reliable pressure protection for domestic storage tanks, tankless water heaters, and solar heating systems. This poppet, lever-operated valve combines a bronze body, a stainless steel spring, and a silicone disc to deliver dependable relief at the set pressure of 150 PSI. Designed for safety, it supports a relief range from 75 to 150 PSI and a temperature rating of 210°F, helping prevent overpressure, equipment damage, and costly downtime.

• Poppet, lever design for quick response and easy manual relief
• Bronze body with stainless steel spring and silicone disc for durability
• Set pressure 150 PSI, with a relief range from 75–150 PSI
• 1/2" inlet and 1/2" outlet with male thread x female thread end connections
• Lead-free and compliant with ASME HV, CSA, ANSI Z21-22/CSA 4.4 standards
• Includes test lever for maintenance and verification

Compact and reliable, this valve is ideal for domestic storage tanks, tankless water heaters, and solar heating installations, delivering safe operation and long service life.