Lochinvar & A.O. Smith 100074624 Valve 326058-758 this is a 4-cell assembly

this is a 4-cell assembly designed for specific BTU-rated cabinets

Cross-referencing the Carrier part number or the Honeywell model number is critical to ensure the opening timing and pressure ratings match the original equipment design

While rated NEMA 2

the 100165921 is the updated manufacturer part number and is a 100% direct replacement for the PLT30001

Lochinvar & A.O. Smith 100074624 Valve 326058-758 this is a 4-cell assemblyFor veteran contractors managing high efficiency hydronic systems, the Lochinvar & A. O. Smith 100074624 is a critical OEM component that serves dual functions as a flow adjustment valve and an integrated flow sensor. Engineered specifically for Lochinvar Knight and A. O. Smith tankless units, this valve provides the precise regulation necessary to maintain optimal delta T across the heat exchanger. By accurately monitoring and modulating fluid