The H06E-36 by WHITE LIGHTNING PRODUCTS is a 36-inch thermocouple with an 18-30mV output. This thermocouple is designed to provide reliable and accurate temperature sensing in various heating systems. With its LP/NG compatibility and standard coaxial configuration, it ensures versatile installation options. Its high-quality construction ensures durability and long-lasting performance. Whether you're a professional HVAC technician or a DIY enthusiast, this thermocouple is a reliable choice for ensuring accurate temperature sensing.