Trane MOD2399 Module 321894-708 The permanently lubricated ball bearings

The permanently lubricated ball bearings and high-service factor design are engineered for continuous operation in demanding commercial environments

This specific 22

For contractors performing zoning system troubleshooting

0 logic firmware

This model is an automatic reset pressure switch

Trane MOD2399 Module 321894-708 The permanently lubricated ball bearingsThe Trane MOD2399 Electromechanical Logic Module is a critical control component designed for legacy Trane commercial HVAC systems and large scale air handling units. As a veteran technician knows, maintaining electromechanical relay logic is essential for the reliable sequencing of heavy duty equipment. This genuine OEM Trane module (also identified by the superceded part number MOD02399) acts as the central coordination point, receiving inputs from