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This auto-reset limit switch is specifically compatible with Forsaire models including the 3508231
800 in-lbs rating to sustain heavy-duty HVACR motor starts
ensuring seamless integration into existing 220-240V 1-phase configurations
Operating at a nominal 1090 RPM
Multi-App Versatility: Rated for natural gas
Lochinvar & A.O. Smith 100109925 Switch 321142-301 This auto-reset limit switch isThe Lochinvar & A. O. Smith 100109925 Blocked Inlet Switch is a critical safety component designed for high efficiency gas fired boilers and commercial water heaters. This normally closed (NC) pressure switch is calibrated to a 1. 0 inch water column set point, ensuring the combustion blower maintains proper airflow for safe ignition. If the intake system encounters excessive static pressure due to blocked air intake pipes, debris in the mesh screen,