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Installing this OEM Goodman expansion valve helps stabilize system pressures
The rising stem design and renewable composition disc ensure a positive shutoff
ensuring compatibility with a wide range of residential and commercial HVAC equipment
Professionals will appreciate the external setpoint adjustment dial
Siemens Building Technology QFM3100 Sensor 328140-751 Installing this OEM Goodman expansionProfessional grade environmental control requires high precision instrumentation, and the Siemens Building Technology QFM3100 Sensor is engineered for exactly those demanding HVACR environments. This duct relative humidity sensor delivers a highly accurate 0 10Vdc output signal across the full 0 100% RH spectrum, ensuring stable performance in ventilation and air conditioning plants. As the direct replacement for HD2XVSX, the QFM3100 integrates