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this Danfoss expansion valve is fully compatible with both R404A and R507 refrigerants
Whether you are addressing a furnace burner repair or a scheduled commercial maintenance
ensuring compatibility with a wide range of residential and commercial HVAC equipment
The rising stem design and renewable composition disc ensure a positive shutoff
Installing this OEM Goodman expansion valve helps stabilize system pressures
Siemens Building Technology QFM3100 Sensor 328140-751 this Danfoss expansion valve isProfessional 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