As a veteran-grade gas regulator replacement spring

Manual Reset Function: Ensures a technician inspects the system for the root cause of oil pressure loss before restarting

Designed as a direct field replacement for the Webster 12-8AB16

Does this unit require a neutral wire or batteries

Manual Override: Includes a dedicated lever to manually position the valve for system setup or emergency cooling/heating requirements

Watts 0121419 Valve THPU32HP7Y As a veteran-grade gas regulatorFor high demand commercial hot water applications requiring a robust failsafe, the Watts 0121419 represents the professional standard for temperature and pressure protection. Specifically engineered as the direct updated version for the 0158266, this LF40XL 8 3 4 valve offers a 3 4 inch MNPT inlet and FNPT outlet configuration, designed to integrate seamlessly into commercial water heater tappings or hot water outlets. With a certified pressure relief