Lochinvar & A.O. Smith 100109877 Pressure Switch 321894-706 A: The 24-volt AC assembly

A: The 24-volt AC assembly includes the thermocouple

this genuine Goodman replacement part ensures the system maintains its original safety certification and operational specifications

this unit provides a flow coefficient of 5 Cv and is rated for pressures between 0-2 PSI

making it fully compatible with HFC refrigerants including R404A

Lochinvar & A.O. Smith 100109877 Pressure Switch 321894-706 A: The 24-volt AC assemblyThe Lochinvar & A. O. Smith 100109877 Pressure Switch is a critical safety component designed for high efficiency commercial boilers and water heaters. This SPST pressure switch (Single Pole Single Throw) is engineered to monitor low gas pressure conditions, typically calibrated at a 5. 2" WC set point to ensure the system operates within safe manifold parameters. As an authentic OEM replacement part, it provides a direct fit for models including the