Electrical Reliability: Designed for low-voltage 24V AC operation with a high-cycle life rating for industrial use

Broad Compatibility: Functions as a high-spec replacement for numerous Copeland start relay legacy parts

this unit is built for reliability in demanding environments

Compatible with ZR

Trane TCONT203AS42MA 326010-701 Electrical Reliability: Designed for low-voltageThe 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