The kit includes three mounting arms

it is designed as a dual-zone/dual-stage controller capable of managing multi-stage HVAC equipment

These two part numbers refer to the exact same technical specification

This is a low voltage thermostat rated for 30VAC maximum

Optimized Electrical Load: Low 1

Trane KIT9183 Replacement Kit Refrigerant The kit includes three mountingThe Trane KIT9183 is a critical field service solution specifically engineered for the consolidation and replacement of Macon thermostat assemblies within Trane HVAC systems. This comprehensive kit addresses common control failures by providing a modern digital thermostat replacement that integrates seamlessly with existing low voltage wiring. Built for wall mount installation, the kit features a high visibility digital display that simplifies