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Easy Serviceability: The radially-split body and three-piece modular construction allow for quick access to internal components without pulling the pump from the line
0 GPM at or near the hot water source
Enhanced Efficiency: Facilitates proper airflow distribution and consistent climate control
the Aprilaire 6404 simplifies the installation of zoned comfort control systems
simplifying the electrical troubleshooting process
Siemens Building Technology QAC2030U Temperature Sensor 321894-706 Easy Serviceability: The radially-split bodyThe Siemens Building Technology QAC2030U is a commercial grade outdoor air temperature sensor engineered for precise ambient monitoring in professional HVAC and building automation systems. Built around a high accuracy 10k ohm Type 2 NTC thermistor, this sensor provides the stable resistance based signal required for sophisticated economizer control and outdoor air reset strategies. Its metal housing and robust construction allow for reliable