Watts 0556016 Valve 30067439-890 the AH13 series provides higher

the AH13 series provides higher close-off pressure ratings compared to the standard AG series

reducing inventory complexity for contractors

Direct Replacement: Matches factory specifications for the FAN01264

it manages the venting of combustion byproducts safely out of the heat exchanger

Watts 0556016 Valve 30067439-890 the AH13 series provides higherThe Watts 0556016 (model LF40XL 150 3 4) is a heavy duty, automatic reseating temperature and pressure relief valve engineered for critical protection in commercial hot water supply systems. Designed for large scale storage tanks and water heaters, this 3 4 inch NPT valve features a 5 inch thermo bonded coated thermostat probe. This specialized coating is essential for service longevity, as it effectively retards mineral accumulation and scale buildup