Lennox 51M87 Pressure Switch THPU32HP7Y What are the set points

What are the set points for S1-024-35267-000

and JR(A)020

if the sensor is "open" or "shorted" while within its normal operating range

though mounting hole modifications may be required if the original footprint differs from the 5

25-inch expanded discharge port reduces backpressure during full-flow relief events

Lennox 51M87 Pressure Switch THPU32HP7Y What are the set pointsThe Lennox 51M87 is a precision engineered furnace pressure switch designed for critical venting safety within Lennox HVAC systems. This 1. 6" WC SPDT N. O. pressure switch functions as a fail safe, ensuring the inducer motor is generating adequate static pressure before allowing the ignition sequence to proceed. The 51M8701 is the identical direct replacement, maintaining the exact factory set point of 1. 60 inches of water column. As a Single Pole