Carrier HH680502 fan limit switch replaces P331-3206, 01-3062, 01-3066, 01-3088, 01-3131

Product Description

The Carrier HH680502 Fan Limit Switch is a genuine OEM replacement part for HVAC systems. This auto reset limit switch provides precise thermal monitoring in furnaces, acting as a primary high-limit control. It opens the electrical circuit if plenum temperatures exceed 120°F and automatically closes at a 90°F reset point, restoring system operation. This L120-30 limit switch prevents heat exchanger cracks and ensures safe blower motor cycling. It replaces part numbers P331-3206, 01-3062, 01-3066, 01-3088, and 01-3131.

• Functions as an auto reset limit switch with a 90-120°F operating range.
• Ensures precise thermal monitoring, opening circuits at 120°F and resetting at 90°F.
• Genuine OEM replacement part, compatible with Carrier, Bryant, and Payne air handlers.

Product Highlights

Critical safety component for furnaces, ensuring thermal protection and safe blower motor operation with automatic reset.

Product Information

Standard Information

• Brand: CARRIER
• Manufacturer Part Number: HH680502

Technical Specifications

• Manufacturer: Carrier HVAC
• MPN: HH680502
• Brand: Carrier
• Type: Auto Reset Limit Switch, Fixed-Temperature Furnace Limit
• Operating Range: 90-120°F
• High-Limit Threshold: 120°F
• Reset Point: 90°F
• Differential: 30°F
• L-Rating: L120-30
• Part Type: Genuine OEM Replacement
• Compatibility: Carrier, Bryant, and Payne air handlers
• Terminals: Standard Spade Terminals
• Product Type: Furnace
• Replaces Part Numbers: P331-3206, 01-3062, 01-3066, 01-3088, 01-3131