Heil 1320548 High Limit Switch 265-290°F Auto Reset

The Heil 1320548 is an automatic reset high limit switch designed for residential and light commercial gas furnaces. This critical safety component monitors furnace temperatures and automatically shuts down the heating element when temperatures exceed safe operating thresholds, preventing potential system damage and ensuring safe operation.

Key Features:

• Temperature range: 265°F to 290°F operating range
• L290-25F model designation with auto reset functionality
• Opens on temperature rise, closes when temperature differential is reached
• Quick-disconnect 1/4" terminals for easy installation
• Welded construction for reliable current-carrying integrity
• 60T electrical rating for demanding HVAC applications

Cross-Reference Information:

• Replaces part numbers: 1320-548, 36T01B3, 42268
• Compatible with multiple brands: ICP (International Comfort Products), Comfortmaker, Tempstar, Arcoaire, Day & Night, KeepRite, and Lincoln
• Alternate SKU: HE-HF8

This genuine OEM replacement part is engineered to maintain factory specifications and preserve system efficiencies, ratings, and certifications. Installation typically takes just minutes and requires basic hand tools. The auto-reset feature eliminates the need for manual reset after the furnace cools to normal operating temperature.