For technicians performing furnace troubleshooting

technicians can cut the ST-3 to the required length

while the base model number is used for technical identification

including the BAE

Lennox 97H74 Run Capacitor For technicians performing furnace troubleshootingEnsure your service calls are completed efficiently with the genuine Lennox 97H74 Run Capacitor. This heavy duty 45 10 MFD 440V dual run capacitor is designed specifically for Lennox, Allied, and Armstrong condenser units, providing the exact phase shift required for high efficiency HVAC compressor and fan motor starts. As an OEM replacement capacitor, it maintains the precise electrical tolerances (+ 5%) necessary to prevent motor overheating and