Lennox 21J29 Start Capacitor 340155-7026 making it a staple for

making it a staple for ANSI Z21

ensuring that your system doesn't blow cold air into the space during start-up or shutdown

preventing fatigue-related refrigerant leaks

ensuring long-term reliability and compatibility with the latest Danfoss heating controls

maintaining compatibility with existing 2-pole 40-amp circuit configurations

Lennox 21J29 Start Capacitor 340155-7026 making it a staple forThe Lennox 21J29 Start Capacitor is a heavy duty 270 324 MFD 330V round electrolytic component engineered to provide the high torque boost required during the initial compressor startup phase. This genuine OEM Lennox part, which is functionally identical to the 21J2901, is critical for single phase HVAC systems that utilize a non bleed TXV or encounter high static pressure. By delivering a precise voltage surge to the start winding, this capacitor