Check the listing for details. JOHNSTONE THERMOCOUPLE L36-071 36". Condition: New – Open box. Listed at 8.70 USD. This Johnstone Thermocouple L36-071 is a high-quality temperature sensing device that is perfect for HVAC and refrigeration systems. With a length of 36 inches, it is easy to install and provides accurate readings of the ambient temperature. The brand is well-known in the industry for its reliable and durable products, and this model is no exception. It is designed for use in a variety of applications, including industrial and commercial settings. The thermocouple is made from high-quality materials and features a durable construction that can withstand the rigors of daily use. Whether you're looking to upgrade your HVAC or refrigeration system or simply need a reliable temperature sensing device, this Johnstone Thermocouple L36-071 is an excellent choice.