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triggering the immediate mechanical closure of the damper blades to prevent flame and smoke migration through the ductwork
Attempting to modify the bore will compromise the balance and performance of the furnace blower wheel
Standard Fitting Sizes: Features 1/2" inlet and 3/4" outlet threading for straightforward installation into existing gas lines
Will this work with older R-22 systems
OEM Compatibility: Specifically engineered for Utica-Dunkirk hydronic heating systems
Carrier KR51BG915 Blower Pulley 318820-201 triggering the immediate mechanical closureThe Carrier KR51BG915 Blower Pulley is a precision engineered fixed bore drive component designed for specific integration within Carrier, Bryant, and Payne commercial HVAC air handlers. This heavy duty single groove pulley is manufactured to exact OEM tolerances, ensuring optimal belt alignment and consistent torque transmission across the drive assembly. When performing field replacements or preventative maintenance on belt drive blowers, selecting
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