Description
Reznor 106748 Single-Groove V-Belt Sheave — 1VL40-7/8″
Keep your Reznor heating equipment running at peak performance with this genuine OEM replacement sheave. The Reznor 106748 is a single-groove V-belt sheave designed specifically for use in Reznor unit heaters and other Reznor HVAC equipment that rely on belt-driven blower assemblies. Replacing a worn or damaged sheave restores proper belt tension, reduces vibration, and maintains designed airflow performance.
Product Specifications
- Manufacturer Part Number: 106748
- Model: 1VL40-7/8″
- Bore Diameter: 7/8″
- Outside Diameter: 4.0″
- Groove Configuration: Single-groove (1 groove)
- Belt Type Compatibility: V-belt drive
- OEM Replacement for Reznor heating equipment
Key Features & Benefits
- Genuine Reznor OEM part — ensures proper fit and function
- Single-groove design for straightforward V-belt drive applications
- 7/8″ bore accommodates standard blower motor shaft sizes
- 4.0″ outside diameter for correct drive ratio and airflow output
- Durable construction for long service life in demanding heating environments
- Direct replacement minimizes downtime during service calls
Application
This sheave is a direct OEM replacement component for Reznor unit heaters and blower-equipped heating systems utilizing belt-drive assemblies. When replacing sheaves, always inspect the mating sheave, V-belt, and motor shaft for wear to ensure a complete, reliable repair.







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