The ClimateMaster AWSTCWS01 Wireless Service Tool is a diagnostic accessory designed for compatible ClimateMaster geothermal heat pump systems. It provides wireless communication between service personnel and the unit’s control system, allowing operating information and system parameters to be accessed for troubleshooting, setup, and maintenance. This tool supports efficient service w... https://www.partshnc.com/climatemaster-awstcws01-wireless-service-tool