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A professional diagnosis usually reveals low millivolt output from the thermocouple
it offers a drop-in fit with 1/4-inch quick-connect terminals
80" water column set point is calibrated for precise combustion air proofing
making it suitable for vacuum service within its seal capabilities
Lennox 10X87 Controller 323080-701 A professional diagnosis usually revealsThe Lennox 10X87 C3 Controller is a high performance HVAC control board engineered for precision management of heating and cooling cycles in light commercial and residential Lennox Prodigy systems. This OEM replacement part, originally identified as Lennox 103976 01, provides the essential logic required to regulate temperature, airflow, and humidity levels across up to three independent zones. As a core component of the Lennox C3 control system, this