Trane TCONT203AS42MA 318423-701 and space heating equipment

and space heating equipment

ensure your field wiring matches the manufacturer’s schematic to maintain logic integrity and system protection

and proportional control models

Technicians should check for primary input voltage and verify that the secondary output is not drifting under load

Trane TCONT203AS42MA 318423-701 and space heating equipmentThe Trane TCONT203AS42MA (XR203) is a precision engineered 7 day programmable thermostat designed for high performance multistage applications, supporting up to 4 heating and 2 cooling stages. This commercial grade control is ideal for dual fuel systems, standard gas electric configurations, and complex heat pump systems. Its 3. 5 inch backlit display and soft key interface provide a streamlined experience for contractors managing advanced HVAC