Trane MOD1387 Control Module 321894-708 it features SPST switching that

it features SPST switching that makes it compatible with various 120V or 24V control applications depending on your specific wiring schematic

Universal SPDT Switch Logic: Supports both heating and cooling modes

Safety Compliance: Engineered to meet strict manufacturer safety standards for HVAC temperature regulation and fire prevention

Specifically designed for high-efficiency HVAC systems

Heavy-Duty Construction: Built with high-grade materials to withstand the rigorous demands of commercial combustion cycles

Trane MOD1387 Control Module 321894-708 it features SPST switching thatThe Trane MOD1387 Control Module is an OEM ECM motor controller designed specifically for compatible Trane and American Standard air handlers and high efficiency furnaces. As a variable speed motor control, this module manages the airflow across various heating and cooling stages, ensuring precise static pressure regulation and optimized system performance. This replacement HVAC control board is engineered to interface directly with GE 2. 3 and 2. 5