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It is highly recommended to use the genuine OEM 4009630 to maintain the integrity of the HVAC system
while the externally equalized design compensates for pressure drops across the distributor and evaporator
Application limits vary by equipment series and configuration
overcharged refrigerant
leading to enhanced fuel economy and reduced emissions
Siemens Building Technology QFM2101 Sensor 323080-701 It is highly recommended toThe Siemens Building Technology QFM2101 Sensor is a high performance duct humidity sensor engineered for precise atmospheric monitoring in commercial HVACR systems. This unit provides a stable 4 20mA output signal, facilitating seamless integration with a variety of building automation systems (BAS) and programmable logic controllers. Designed specifically for measuring relative humidity without an integrated display, the QFM2101 utilizes a capacitive