The Honeywell 20K Temp/Hum Wall Module is a high-performance device designed for accurate temperature and humidity monitoring in commercial and industrial environments. Made in the USA, this module features a robust design that ensures long-lasting performance. It operates on a 20K ohm thermistor, providing precise readings for effective climate control. The module is compatible with various HVAC systems, making it a versatile choice for building management. Its easy installation and integration capabilities make it an essential component for maintaining optimal indoor air quality.