Description
The Lennox 19V47 is an OEM inverter module rated at 4kW, engineered specifically for use with Lennox GJT240 3-ton HVAC systems. Designed to deliver precise variable-speed compressor control, this inverter ensures efficient, consistent operation across a wide range of load conditions — reducing energy consumption and extending the service life of the overall system.
Product Overview
As a genuine Lennox replacement component, the 19V47 inverter is built to exact factory specifications for the GJT240 platform. Variable-speed inverter technology modulates compressor output to match real-time cooling demand, minimizing short-cycling, improving humidity control, and maintaining stable indoor comfort levels.
Key Features
- OEM Lennox inverter module for GJT240 3-ton systems
- 4kW power rating for reliable variable-speed compressor drive
- Engineered for precise load matching and energy-efficient operation
- Direct OEM replacement — no modifications required
- Supports extended equipment life through reduced compressor cycling stress
- Compatible with Lennox GJT240 3-ton platform
Application
This inverter module is the correct factory replacement for Lennox GJT240 3-ton units requiring inverter drive service or replacement. Always verify compatibility with the existing system model and serial number before installation. Installation should be performed by a qualified HVAC technician in accordance with Lennox service guidelines and all applicable local codes.
Specifications
- SKU: 19V47
- Brand: Lennox
- Power Rating: 4kW
- Compatible Platform: GJT240
- System Capacity: 3 Ton
- Type: Inverter / Variable-Speed Drive Module







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