This ambient air temperature sensor utilizes a high-precision NTC thermistor to provide real-time atmospheric data to the primary control board

This HVAC high-limit safety switch utilizes a 3-inch probe insert for precise sensing of the plenum or trunk air temperature

this pilot device is engineered for switching multiple loads or isolating disparate control voltages

As a critical component in the diagnostic and protection circuit

Trane SWT2515 Pressure Switch Els PW 17895 This ambient air temperature sensorThe Trane SWT2515 is a high precision HVAC pressure switch calibrated to a 1. 36" WC setpoint for critical safety monitoring in gas furnaces and air handlers. This SPST (Single Pole Single Throw) air pressure sensor acts as a primary safety interlock, ensuring the draft inducer motor generates sufficient negative pressure before the ignition sequence begins. Designed for maximum reliability in high cycle environments, the SWT2515 provides a 1 4" barb