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Always check your specific unit's parts breakdown
000 BTU/hr (at 1" W
fast response time
Common Questions: Is the S1-024-42074-000 a direct replacement for S1-024-18397-000
Is this a universal inducer motor
Lochinvar & A.O. Smith 100208388 Pressure Switch THPU32HP7Y Always check your specific unit'sThe 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
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