Heil R02R002 Furnace Limit Control Switch 140°F

The Heil R02R002 is a genuine OEM furnace limit control switch designed to provide critical safety protection for residential heating systems. This limit switch is factory-rated at 140°F and serves as an essential safety component that prevents furnace overheating by interrupting power to the burner when excessive temperatures are detected.

Key Features:

• Factory temperature rating: 140°F
• Direct OEM replacement for Heil, Quaker, and ICP furnace systems
• Compatible with International Comfort Products (ICP) branded units including Comfortmaker, Tempstar, Arcoaire, Day & Night, KeepRite, and Lincoln
• Cross-reference number: 36T01B744742
• Automatic reset design for reliable operation

This limit control switch is a critical safety device that monitors plenum temperature and cycles the furnace on and off to prevent overheating conditions. When temperatures exceed the preset threshold, the switch opens the circuit to shut down the burner, protecting your furnace from damage and potential safety hazards. Using genuine OEM parts ensures proper fit, reliable performance, and maintains your heating system's safety integrity.