Lennox 83L90 Limit Switch

180-210F AutoLimitSw 3"insertn

83L90 is identical to 83L9001

Lennox 83L90 Limit Switch – 180°F–210°F Auto Limit Control, 3" Insertion

The Lennox 83L90 Limit Switch is a genuine OEM automatic limit control designed to protect Lennox HVAC systems from overheating. Engineered for precise temperature monitoring, this safety switch automatically opens the circuit when temperatures exceed safe operating limits and resets once normal conditions are restored.

With an operating temperature range of 180°F to 210°F and a 3-inch insertion length, this limit switch ensures reliable performance and proper fit in compatible Lennox furnaces and heating equipment. Built to Lennox OEM specifications, the 83L90 delivers dependable system protection and long-term reliability.

Key Features & Benefits:

• Genuine Lennox OEM limit switch

• Automatic reset over-temperature protection

• Temperature range: 180°F–210°F

• 3-inch insertion length for proper sensor placement

• Helps prevent overheating and system damage

• Designed specifically for Lennox HVAC equipment

Product Specifications:

• Manufacturer: Lennox

• Part Number: 83L90

• Product Type: Limit Switch / Limit Control

• Temperature Range: 180°F–210°F

• Reset Type: Automatic

• Insertion Length: 3 inches

The Lennox 83L90 Limit Control Switch is ideal for professional HVAC repairs and maintenance, ensuring safe furnace operation and protecting critical components. As a direct OEM replacement, it restores proper safety function and helps maintain system efficiency.

Order today for a reliable OEM Lennox limit switch you can trust.