Built to satisfy SAE J513 standards

Heavy-Duty Electrical Rating: Designed to switch loads up to 30 Amps at 277V AC

ideal for heat transfer and refrigeration cycles

which prevents the valve from sticking or freezing even after long periods of inactivity

To verify functionality during a heating system troubleshooting call

Watts 0121508 Valve 30067439-890 Built to satisfy SAE J513The Watts 0121508 is a heavy duty, 1 inch LF174A 1 150 safety relief valve specifically designed for high capacity hot water heating boiler applications. Constructed with a lead free copper silicon alloy body, this valve ensures compliance with stringent safety standards while providing reliable pressure protection. It features a factory setpoint of 150 psi and a massive steam discharge capacity of 3,795,000 BTU hr, making it a critical component for