Honeywell CQ100A-1021 Thermocouple, 30 Millivolt, 18 In.

A thermocouple is a sensor in gas furnaces, boilers, and water heaters that detects the pilot flame. The Honeywell CQ100A-1021 is a replacement thermocouple designed specifically for 30 millivolt systems, making it an essential maintenance part for homeowners and technicians servicing gas heating equipment.

This 18-inch thermocouple restores reliable pilot-flame detection when an existing thermocouple has failed or degraded.

Features and Benefits

• Adapter Fittings Included: The thermocouple comes with adapter fittings that work with push-in, clamp-in, and screw-in pilot burners, simplifying installation on most standard equipment without requiring additional parts.
• 18-Inch Length: The generous 18-inch probe length allows for easy integration into existing heating systems and provides convenient reach to pilot burners in various furnace and boiler configurations.
• 30 Millivolt Rated: Compatible with the common 30 millivolt pilot-flame detection circuits found in most residential gas heating systems.
• Positive Positioning: Designed to seat correctly in the pilot burner on the first try, ensuring proper contact and reliable flame detection.
• Heavy-Duty Construction: Built for lasting reliability and dependable performance in demanding heating applications.

Specifications

• Brand: Honeywell
• Model: CQ100A-1021
• Length: 18 inches
• Millivolt Rating: 30 mV
• Includes: Adapter fittings for multiple burner types
• Warranty: 1-year limited