the sensing element must be immersed within the top 6 inches of the tank

this model simplifies retrofitting in ceiling plenum installations where nonmetallic components are prohibited

which is standard for 0

suitable for large-scale commercial boiler systems

and Miller furnace models

Siemens Building Technology QFM3100 Sensor 322055-301 the sensing element must beProfessional 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