Lennox 19J42 – FirstChoice 19J42 Dual Run Capacitor, 50/7.5 MFD, 440 VAC, Round

This FirstChoice 19J42 dual run capacitor is a reliable replacement component designed for Lennox air conditioning and heat pump systems. Built to maintain efficient operation of both the compressor and fan motor, this capacitor delivers consistent electrical support under demanding HVAC conditions. With a durable round metal case and 440 VAC rating, it ensures long-lasting performance and stable system operation.

Ideal for technicians, contractors, and homeowners performing preventative maintenance or restoring proper system functionality.

Key features:

• Dual rating of 50/7.5 MFD for combined compressor and fan motor support
• Rated for 440 VAC to handle high-voltage applications
• Round metal housing provides strength and heat resistance
• Designed for compatibility with a wide range of Lennox units
• Helps restore proper motor start-up and running efficiency
• Reliable OEM-grade performance for long-term system stability

Product details:

• Brand: FirstChoice
• Part Number: 19J42
• Capacitance: 50/7.5 MFD
• Voltage Rating: 440 VAC
• Shape: Round
• Application: Compressor and fan motor circuits