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Fail-Safe Design: Integrated spring return mechanism ensures the valve returns to its original position during power loss
Can I use this for non-Lennox branded systems
making it suitable for many outdoor industrial environments
Variable Voltage Logic: The auto-sensing 100-240V compatibility makes it a "truck stock" essential that covers a wide range of True reach-ins and display coolers
Does this regulator require an external vent protector
Siemens Building Technology QAC3171 Sensor R-410A Fail-Safe Design: Integrated spring returnThe Siemens QAC3171 is a professional grade active outdoor temperature sensor designed for high performance environmental monitoring in commercial HVAC and building automation systems. Engineered with a Pt1000 sensing element, this unit provides high measurement stability and linear signal transmission. It features a versatile 4 20mA output signal, making it compatible with a wide range of controllers for applications like outdoor air reset, chiller
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