Lochinvar & A.O. Smith 100208388 Pressure Switch THPU32HP7Y Common Questions: Is the S1-024-42074-000

Common Questions: Is the S1-024-42074-000 a direct replacement for S1-024-18397-000

technicians must verify the bore size and pitch to prevent motor overloading or reduced cooling capacity

Is this a universal inducer motor

providing flexibility for non-grounded control circuits

causing the plunger to seat incorrectly (shading)

Lochinvar & A.O. Smith 100208388 Pressure Switch THPU32HP7Y Common Questions: Is the S1-024-42074-000The 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