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this NFI (Non-Ferrous Impeller) is balanced during manufacturing
check for a clogged inducer port
For 3/4" tappings
preventing excessive energy use in high-traffic areas
Siemens Building Technology 544-343-24 Temperature Sensor 30067439-890 this NFI (Non-Ferrous Impeller) isFor high precision HVAC applications requiring stable monitoring across large air volumes, the Siemens 544 343 24 Temperature Sensor is a reliable choice for field contractors. This duct temperature sensor features a 24 inch rigid averaging probe, making it ideal for monitoring supply or return air in medium to large ductwork where temperature stratification often occurs. Built with a 1k Ohm Pt RTD (platinum resistance temperature detector) element at