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For field diagnostics
an inverse mode module or external logic inversion via the DPDT contacts is required
Enhanced System Efficiency: Reduces compressor runtime by maximizing the use of outdoor air during favorable conditions
which protects internal components from heat damage during installation
Using it with R-22 or mineral oil will lead to immediate lubrication failure and system contamination
Trane CNT8121 Control Board 318820-201 For field diagnosticsThe Trane CNT8121 Control Board is a high performance integrated furnace control designed for precise management of heating cycles and blower motor operations. This single stage IFC serves as a direct replacement for various Trane furnace control boards, ensuring seamless integration with existing 24V thermostat wiring and 120V gas valve circuits. As a critical component for maintaining system reliability, the CNT8121 monitors safety limit switches
US$ 1749.50
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US$ 999.50
US$ 999.50
US$ 1749.50
US$ 1749.50
