Using the OEM Trane SWT02478 is highly recommended to ensure the safety limit matches the furnace's design airflow

and high-level alarm systems in boilers

allowing for precise field calibration to verify positive

This 1/2" elbow flange assembly provides a secure

a thin layer of silicone lubricant can assist in seating the gasket into the header groove and prevent pinching during assembly

Veris Industries H-540 Current Switch Els PW 17895 Using the OEM Trane SWT02478The Veris Industries H 540 (identical to the Veris H540) is a heavy duty current monitor relay designed for the precise supervision of fractional horsepower motors. As a core component of the Hawkeye 5xx series, this SPST current sensing switch integrates a load switching relay, a fixed trip current sensor, and a manual Hand Off Auto (HOA) switch into a single remote mounted enclosure. This consolidated design eliminates the need for multiple separate