To maintain an accuracy error of less than 1

Replace the switch if you diagnose an open circuit during normal heating cycles when the temperature is below 170°F

Corrosion-Resistant Housing: The cast iron construction provides a high pressure rating and durability in mechanical rooms

Extended Component Life: Proper alignment reduces uneven load on blower motor shafts and bearings

Trane SHE5366 Sheave 320074-702 To maintain an accuracy errorAs a field technician, you know that drive train precision is non negotiable for commercial HVAC performance. The Trane SHE5366 Sheave is a heavy duty, single groove v belt pulley designed specifically for large scale air handling units and packaged rooftop systems. Engineered from powder coated cast iron, this BK190 sheave features a precise 1 13 16 inch bore with a standard 1 4" x 1 8" keyway to ensure slip free torque transmission. With an 18. 75