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For technicians conducting routine maintenance
this module features integrated electronic lockout timing and a prepurge spark delay circuit (8 to 21 seconds) to ensure the combustion chamber is cleared before ignition
As a genuine Lochinvar part
installing this genuine Trane CNT7679 replacement restores factory-spec communication between the thermostat and the draft inducer
York S1-331-03655-000 Temp Sensor 320734-701 For technicians conducting routine maintenanceThe York S1 331 03655 000 Outdoor Return Temperature Sensor is a critical OEM HVAC component specifically engineered for high performance York outdoor units. As a precision thermistor assembly, this sensor provides the control board with real time return air temperature data, essential for maintaining proper logic in heating and cooling cycles. Field technicians recognize that accurate feedback is vital for preventing short cycling and ensuring
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