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Flow Regulation: Specifically designed to control fluid levels in drain and feed lines
it is recommended to replace it at the same time as the motor to ensure peak amperage draw and heat dissipation
offering increased safety and protection for your control circuitry
Contractor-Friendly Setup: Includes a return air sensor for emergency backup and simplified terminal labeling on the control module
Lochinvar & A.O. Smith 100208388 Pressure Switch 321894-706 Flow Regulation: Specifically designed toThe 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
