The Schneider Electric (Erie) 30-158-B Motor is a high-reliability

Contractors should verify the rotation and shaft diameter before installation to ensure a drop-in fit for specific gas and electric furnace models

The Trane TRR1729 Transformer is a critical OEM HVAC replacement part engineered to provide stable 24V control power for residential and commercial heating systems

and MP-4130

It signifies the specific negative pressure required to close the switch and allow the ignition control to proceed

Trane MOD2554 Module 318172-701 The Schneider Electric (Erie) 30-158-BThe Trane MOD2554 is a mission critical Remote Test and Operating Module (RTOM) designed for seamless integration with ReliaTel microprocessor controls. Engineered for field installation in Trane and American Standard rooftop units, this OEM control module provides the necessary hardware interface for advanced diagnostic testing and system expansion. Operating on a standard 24V HVAC control circuit (60 Hz), the MOD2554 functions as a central