Keep your HVAC system running efficiently with the Lennox 19J21 Run Capacitor. This 15 microfarad (15MFD) capacitor is built to deliver consistent performance and reliable power to motors and compressors. With a robust 440VAC rating and 50/60Hz frequency support, the oval-shaped HCKY150V440365Z model is perfect for residential and commercial Lennox systems, helping extend the life and functionality of your equipment. Key Features 15MFD (microfarad) run capacitor for optimal motor operation Rated at 440VAC for high-voltage HVAC applications Compatible with 50/60Hz systems Oval shape for easy and secure installation in tight compartments Designed specifically for Lennox air handling units and condensers Specifications Capacitance: 15MFD Voltage Rating: 440VAC Frequency: 50/60Hz Shape: Oval Model Numbers: 19J21 / HCKY150V440365Z Function: Run capacitor for motor operation Compatible Models Fits a variety of Lennox HVAC systems, including air handlers, furnaces, and condensers (exact models vary by configuration and unit type) Why Choose This Item The Lennox 19J21 capacitor is a factory-specified replacement part, ensuring seamless integration with your system. Its high voltage rating, reliable frequency performance, and space-efficient oval design make it a dependable component for keeping your HVAC unit running at peak performance.