Description
The Icp Heil-Quaker 511724254WT 1-1/4″ Thermocouple 30″ Tube Length is a flame-sensing component used in compatible HVAC systems to monitor the pilot flame in gas-fired heating equipment. It generates a small electrical signal when heated by the pilot flame, allowing the gas valve to remain open only when a flame is present. Commonly installed in furnaces and other standing-pilot heating systems, the thermocouple is positioned near the pilot burner with a 30-inch tube for proper routing. As an essential safety component, it assists support stable ignition and safe system operation.









