Heil 1065294 Furnace Limit Switch Boiler Safety Controls & Aquastats - L140-30F

The Heil 1065294 is an L140-30°F automatic reset limit switch designed for use in Heil, ICP (International Comfort Products), and Tempstar gas furnaces. This critical safety component monitors plenum temperature and protects your furnace from overheating by interrupting the heating cycle when temperatures exceed safe levels.

Key Features:

• Opens at 140°F to prevent furnace overheating
• Automatically closes at 110°F to restore normal operation
• Automatic reset design requires no manual intervention
• Direct OEM replacement part for reliable performance
• Compatible with multiple Heil, ICP, and Tempstar furnace models

This limit switch serves as an essential safety device that shuts down the burner when airflow is restricted or plenum temperatures rise too high due to dirty filters, blocked ducts, or blower motor failures. The automatic reset feature allows the furnace to resume operation once temperatures return to safe levels. Cross-references to part number 1149300.