This Trane thermostat part is a critical component for maintaining high-efficiency performance and accurate thermal management in demanding environments

you must verify the specific 170-20 SB temperature rating

Using a genuine OEM part like the BT1420029 ensures that internal safety limits

Check for an open or short circuit in the wiring

High-Flow Capacity: A large 1-1/4 inch orifice and 1-1/2 inch NPT ports support significant Cv ratings for high-volume commercial systems

Heatcraft Refrigeration 28913201 Pressure Switch 340155-7026 This Trane thermostat part isThe Heatcraft 28913201 High Pressure Switch is a critical safety component designed for heavy duty commercial refrigeration and air conditioning systems. This high pressure cutout is engineered to open at 400 PSI, providing immediate compressor protection by breaking the control circuit when head pressures exceed safe operating limits. Built to rigorous OEM refrigeration part standards, the 28913201 serves as a direct fit replacement for Bohn, Larkin,