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Dwyer Instruments V4 2 U Flow Switch 321142 301 " allowing contractors to reuse " allowing contractors to reuse existing high efficiency motors or match with a new Carrier 50HJ motor based on specific voltage and phase requirements Compact Footprint: Designed specifically for the narrow vestibules found in residential cast iron boiler cabinets making it suitable for high stress commercial and industrial pumping systems The Dwyer Instruments V4 2 U Flow Switch is a heavy duty vane operated flow switch designed for reliable protection against flow loss in critical HVACR and industrial pipelines
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