Watts 0121508 Valve THPU32HP7Y this unit is built to

this unit is built to withstand rigorous HVACR environments

ensuring full compatibility with existing 909M1 series installations

preventing localized hotspots and premature component failure

Common Questions Is this valve a drop-in replacement for the 910110422

Always use a calibrated manometer to verify the output at the valve pressure tap after installation

Watts 0121508 Valve THPU32HP7Y this unit is built toThe 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