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This dual-rod flame sensor and spark electrode is engineered for precise direct spark ignition (DSI)
8V output is calibrated for specific board tolerances
Ensure the flame sensor is clean and producing a sufficient microamp signal back to the York ignition control board
It serves as a direct drop-in for multiple legacy models
Carrier KR11AZ712 Blower Pulley 321894-706 This dual-rod flame sensor andThe Carrier KR11AZ712 Blower Pulley is a critical drive component engineered for precise airflow management in commercial HVAC systems, specifically compatible with Carrier air handlers and rooftop units. This fixed bore blower pulley is designed to provide consistent torque transfer between the drive motor and the blower shaft, ensuring the system maintains its calculated CFM output. Constructed from high grade cast iron, this HVAC drive pulley