Bard HVAC 8403-090 Thermostat Freon This kit is a direct

This kit is a direct S1-3310197512 replacement and is compatible with York

this kit ensures seamless integration with Copeland compressors without requiring bracket modifications or complex rewiring

If voltage is absent at the board output despite a call

ensure the mounting location complies with local codes regarding plenum air spaces

Bard HVAC 8403-090 Thermostat Freon This kit is a directThe Bard 8403 090 is a heavy duty, 24V programmable thermostat engineered specifically for multi stage HVAC systems. As a 3HT 2CL T6 Pro model, it provides precise control for up to three stages of heating and two stages of cooling, making it essential for complex wall mount heat pump and air conditioner setups. This unit serves as the direct replacement for 8403 058 and 8403 059, ensuring a seamless retrofit without the need for extensive wiring