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In a stem-up-to-open configuration
If flame rectification is not detected after the initial trial
this motorized valve actuator simplifies wiring transitions in tight mechanical enclosures
this part is essential for resolving ignition failure codes or pressure fluctuations in commercial water heating systems
Siemens Building Technology QAC22 Sensor 319848-301 In a stem-up-to-open configurationThe 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
US$ 6965.00
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