Precision Thermal Sensing: High-quality limit switch 110-140F calibration ensures accurate temperature detection and reduces nuisance tripping

Designed for heavy-duty industrial and HVACR applications

What is the maximum supply air pressure for this unit

This motor is a critical component for maintaining the efficiency and operational longevity of compatible Armstrong Air and Allied Air equipment

Measuring approximately 18-1/2 inches by 2-1/4 inches with a 1/8-inch thickness

Lennox 33J90 Pressure Switch Els PW 17895 Precision Thermal Sensing: High-quality limitLennox 33J90 . 48" WC SPST 1 4" barb connection Pressure Switch 33J90 is identical to 33J9001