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making it a reliable solution for air handling units and VAV reheat coils where precise modulation is critical
this valve features 3/4" NPT threads for a secure
Utilizing ECM technology in select applications
OEM Compatibility: Designed as a drop-in replacement for Heatcraft part 2537974S
a 200VA transformer can safely replace a 40VA or 75VA unit as long as the primary and secondary voltages match
Siemens Building Technology QAA2235.EWSN Sensor THPU32HP7Y making it a reliable solutionThe Siemens QAA2235. EWSN is a precision room temperature sensor engineered for seamless integration into commercial Building Automation Systems (BAS). Utilizing a 100k Ohm thermistor active output, this unit provides highly stable and linear temperature feedback to HVAC controllers, ensuring tight deadband management and optimized energy efficiency. Designed specifically for indoor comfort monitoring, it operates across a standard range of 32F to
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