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Reliable Switching: Heavy-duty internal contacts ensure consistent electrical signaling to the control board
It only closes when electrical power is applied
reducing diagnostic callbacks during the heating season
two signal inputs are fed to the ports
Carrier KR11AZ506 Blower Pulley 320734-701 Reliable Switching: Heavy-duty internal contactsWhen you're out in the field servicing a Carrier, Bryant, or Payne air handler or rooftop unit, ensuring the blower system maintains precise airflow is non negotiable. The Carrier KR11AZ506 Blower Pulley is a Factory Authorized Part designed to hold exact tolerances. This single groove pulley features a 4 3 4 inch outer diameter (OD) and a 5 8 inch bore, specifically engineered for power transmission within commercial and residential belt drive