Environmental Resilience: The encapsulated design protects against moisture and dust ingress in mechanical rooms and industrial settings

This component is specifically designed for use in CMF80 and CMF100 direct ignition gas burners

This part is specifically rated for high-temperature and high-pressure service up to 600 psig and 800°F

As a genuine Source1 HVAC replacement part

Is this model better for new builds or retrofits

Lennox 21J29 Start Capacitor 322056-301 Environmental Resilience: The encapsulated designThe 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