21Z09 | Lennox 603364-35, Enthalpy Sensor Kit for Standard Performance Economizers | Lennox

**Enthalpy Sensor Kit (21Z09) by Lennox** The Lennox 21Z09 Enthalpy Sensor Kit is designed to measure the enthalpy of a gas stream. Enthalpy, a thermodynamic property, represents the total thermal energy of a system and incorporates both sensible heat and latent heat components. Accurate enthalpy measurement is crucial in various industrial processes, including combustion analysis, air conditioning, and refrigeration systems. The 21Z09 Sensor Kit features a highly sensitive enthalpy sensor that detects the enthalpy of a gas sample. It consists of two temperature sensors, one of which measures the dry-bulb temperature, and the other measures the enthalpy-specific temperature, allowing for precise enthalpy calculation. This kit is compatible with various Lennox HVAC equipment and can be easily installed. Its rugged construction ensures durability in demanding industrial environments, providing reliable and accurate enthalpy measurements over an extended period. By using the Lennox 21Z09 Enthalpy Sensor Kit, engineers and maintenance professionals can optimize system performance, improve efficiency, and ensure compliance with industry standards. Our HVAC supply store offers this essential diagnostic tool at competitive prices, providing a cost-effective solution for your industrial needs.