Description
The Air Xchange 18520100A is an OEM-specified welded Type 3L drive belt engineered as a direct replacement for Air Xchange energy recovery ventilators (ERVs). Designed to maintain precise power transmission between the motor and the ventilator core, this belt ensures consistent airflow performance and helps extend the service life of your ERV system.
Product Overview
The Type 3L designation identifies this as a fractional horsepower (FHP) V-belt profile — a narrow, lightweight belt commonly used in ventilation and HVAC blower drive applications. The welded construction provides a seamless, uniform joint that reduces vibration, minimizes wear, and delivers smooth, reliable operation over extended service intervals.
Key Features
- OEM Air Xchange replacement belt — direct fit for compatible ERV models
- Welded construction for a smooth, seamless joint and reduced vibration
- Type 3L FHP V-belt profile designed for fractional horsepower drive applications
- Engineered for consistent power transmission in ventilation blower assemblies
- Helps maintain proper airflow and system efficiency in ERV units
- Durable belt material resists stretching and wear for long service life
Application
This belt is intended for use in Air Xchange energy recovery ventilators that utilize a 3L-profile drive belt. Regular belt inspection and timely replacement are essential to maintaining proper motor-to-core power transfer, optimal ventilation rates, and overall indoor air quality performance.
Specifications
- SKU: 18520100A
- Brand: Air Xchange
- Belt Type: Welded Type 3L (FHP V-Belt)
- Application: Energy Recovery Ventilator (ERV) drive assembly







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