Lochinvar & A.O. Smith 100208388 Pressure Switch 320788-703 It features a factory-standard 3-6"

It features a factory-standard 3-6" w

you prevent internal moisture accumulation and maintain the sanitary standards required in high-volume foodservice environments

For contractors requiring high-accuracy modulation

this 120V/24VAC relay serves as a reliable solution for restoring pilot circuit integrity and water heater operational stability in demanding environments

Integrated Logic: The SPDT auxiliary switch (suffix -500) enables easy integration for motor status feedback or auxiliary device control

Lochinvar & A.O. Smith 100208388 Pressure Switch 320788-703 It features a factory-standard 3-6"The Lochinvar & A. O. Smith 100208388 Pressure Switch is a critical 1" WC (Water Column) safety component designed for high efficiency boiler and water heater systems. As an authentic OEM replacement part, it ensures the inducer motor is pulling the correct draft before the ignition sequence begins. Rated at 1. 0" WC, this single pole, double throw (SPDT) switch is engineered to monitor combustion air pressure and prevent operation under unsafe