Trane TCONT203AS42MA
The 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 sequences. Built with non-volatile memory, this unit ensures that specific temperature setpoints and 5-1-1 scheduling profiles remain secure during power interruptions without requiring constant battery dependency when wired via the common terminal.
For technicians, the TCONT203AS42MA offers significant installation flexibility, replacing legacy models like the THT02504 and TCONT602AF22MA. It features dedicated terminals for auxiliary heat and 2-stage cooling, making it a reliable choice for variable speed blowers and TAM7/TAM9 air handler integration. The 24V wired connectivity ensures stable communication between the thermostat and the equipment, eliminating the interference risks often associated with wireless alternatives.
- Multistage Compatibility: Manages up to 4H/2C systems, including high-efficiency heat pumps and dual fuel units.
- Advanced Programming: Supports 7-day and 5-1-1 scheduling to maximize system efficiency and reduce load cycles.
- Reliable Data Retention: Integrated memory preserves specific user configurations and schedules during total power loss.
- Service-Friendly Interface: Features a backlit LCD and intuitive push-button controls for rapid onsite diagnostics and setup.
Common Questions
Is a C-wire required for this thermostat?
While the unit can operate on battery power for basic display functions, a 24V common wire is highly recommended for reliable multistage operation and to ensure the backlight and logic circuits remain fully powered.
Can this replace a single-stage thermostat?
Yes, the Trane XR203 is backward compatible and can be configured to manage single-stage systems, providing a robust path for future equipment upgrades.
Does this support dual fuel (hybrid) applications?
Strictly speaking, yes. This control includes the logic necessary to cycle between a heat pump and a secondary gas furnace source based on staged demand.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $164.46
-65%$164.46
$57.56Trane TCONT203AS42MA
The 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 sequences. Built with non-volatile memory, this unit ensures that specific temperature setpoints and 5-1-1 scheduling profiles remain secure during power interruptions without requiring constant battery dependency when wired via the common terminal.
For technicians, the TCONT203AS42MA offers significant installation flexibility, replacing legacy models like the THT02504 and TCONT602AF22MA. It features dedicated terminals for auxiliary heat and 2-stage cooling, making it a reliable choice for variable speed blowers and TAM7/TAM9 air handler integration. The 24V wired connectivity ensures stable communication between the thermostat and the equipment, eliminating the interference risks often associated with wireless alternatives.
- Multistage Compatibility: Manages up to 4H/2C systems, including high-efficiency heat pumps and dual fuel units.
- Advanced Programming: Supports 7-day and 5-1-1 scheduling to maximize system efficiency and reduce load cycles.
- Reliable Data Retention: Integrated memory preserves specific user configurations and schedules during total power loss.
- Service-Friendly Interface: Features a backlit LCD and intuitive push-button controls for rapid onsite diagnostics and setup.
Common Questions
Is a C-wire required for this thermostat?
While the unit can operate on battery power for basic display functions, a 24V common wire is highly recommended for reliable multistage operation and to ensure the backlight and logic circuits remain fully powered.
Can this replace a single-stage thermostat?
Yes, the Trane XR203 is backward compatible and can be configured to manage single-stage systems, providing a robust path for future equipment upgrades.
Does this support dual fuel (hybrid) applications?
Strictly speaking, yes. This control includes the logic necessary to cycle between a heat pump and a secondary gas furnace source based on staged demand.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The 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 sequences. Built with non-volatile memory, this unit ensures that specific temperature setpoints and 5-1-1 scheduling profiles remain secure during power interruptions without requiring constant battery dependency when wired via the common terminal.
For technicians, the TCONT203AS42MA offers significant installation flexibility, replacing legacy models like the THT02504 and TCONT602AF22MA. It features dedicated terminals for auxiliary heat and 2-stage cooling, making it a reliable choice for variable speed blowers and TAM7/TAM9 air handler integration. The 24V wired connectivity ensures stable communication between the thermostat and the equipment, eliminating the interference risks often associated with wireless alternatives.
- Multistage Compatibility: Manages up to 4H/2C systems, including high-efficiency heat pumps and dual fuel units.
- Advanced Programming: Supports 7-day and 5-1-1 scheduling to maximize system efficiency and reduce load cycles.
- Reliable Data Retention: Integrated memory preserves specific user configurations and schedules during total power loss.
- Service-Friendly Interface: Features a backlit LCD and intuitive push-button controls for rapid onsite diagnostics and setup.
Common Questions
Is a C-wire required for this thermostat?
While the unit can operate on battery power for basic display functions, a 24V common wire is highly recommended for reliable multistage operation and to ensure the backlight and logic circuits remain fully powered.
Can this replace a single-stage thermostat?
Yes, the Trane XR203 is backward compatible and can be configured to manage single-stage systems, providing a robust path for future equipment upgrades.
Does this support dual fuel (hybrid) applications?
Strictly speaking, yes. This control includes the logic necessary to cycle between a heat pump and a secondary gas furnace source based on staged demand.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
