Heil 1171324 Furnace Limit Switch Boiler Safety Controls & Aquastats

The Heil 1171324 is an OEM limit switch designed for Heil furnaces and heating systems. This safety component plays a critical role in furnace operation by monitoring temperature and shutting down the burner if unsafe conditions are detected.

Key Features:

• Genuine OEM replacement part for Heil furnaces
• Automatic temperature monitoring and safety shutoff protection
• Direct replacement for worn or faulty limit switches
• Ensures safe and reliable furnace operation
• Compatible with various Heil furnace models

The limit switch is an essential safety device that prevents overheating by monitoring the temperature within the furnace. When temperatures exceed safe operating limits, the switch automatically shuts off the burner to prevent equipment damage or potential fire hazards. If your furnace is cycling on and off frequently, not producing heat consistently, or displaying error codes related to high limit trips, this limit switch may need replacement.