Watts 0121409 Valve Refrigerant it is recommended to replace

it is recommended to replace the entire VAL8576 assembly to ensure the internal orifice and sensing bulb are perfectly matched for performance

installing this calibrated limit control ensures the system maintains optimal combustion airflow and safety compliance without the need for manual intervention

Key Benefits for New Installations and Repairs

The high limit adjustment allows for a 3 to 1 psig differential relative to supply pressure

Versatile Mounting: Durable NEMA 1 enclosure supports both DIN rail and surface mount configurations for flexible installation

Watts 0121409 Valve Refrigerant it is recommended to replaceThe Watts 0121409 (Model LF40L 2) is a high capacity lead free temperature and pressure relief valve engineered for heavy duty commercial water heater applications. Designed as the direct lead free replacement for the 0154830 and 40L 2 150, this valve provides critical automatic temperature and pressure protection for large scale hot water supply tanks. It features a 1 inch MNPT inlet and FNPT outlet, boasting a substantial ASME rating of 2,134,000