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Airflow Optimization: Aerodynamic venturi design reduces inducer motor strain and stabilizes combustion air intake
Precise Airflow Control: Programmed to maintain consistent CFM levels for optimized heat transfer and indoor comfort
then those pairs in parallel) to maintain the required 10k ohm resistance for the thermostat logic
if your application requires a low limit or circulator hold-off for domestic priority
DPNO Configuration: The Double Pole Normally Open contact arrangement allows for simultaneous control of multiple circuits or high-current isolation
Siemens Building Technology QAC22 Sensor 326058-758 Airflow Optimization: Aerodynamic venturi designThe Siemens Building Technology QAC22 Sensor is a precision passive outdoor temperature sensor engineered for weather compensated control in high performance HVACR systems. Utilizing an LG Ni 1000 ohm sensing element (Ni RTD, 1k Ohm @ 32F), this unit provides a highly stable output signal across a wide operating range of 58 F to 158 F ( 50 C to 70 C). Designed for standard building automation systems, it accurately monitors outdoor air temperature