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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Precise Voltage Regulation: Optimized for 20-28VDC systems to ensure consistent valve actuation
This specific model is designed for water heaters and hot water boilers
though the 1-way arrow indicator should be noted for primary flow direction in specific system layouts
restoring the original pressure drop characteristics and combustion air mixture required for peak operational stability in demanding hydronic or domestic hot water applications
Trane CNT8121 Control Board 326058-755 Precise Voltage Regulation: Optimized forThe 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
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