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The Sporlan Electronic Refrigeration Controller System (RCS) is a microprocessor-based system designed to precisely control refrigeration evaporators in walk-in coolers and freezers. Its state-of-the-art design accurately controls refrigerant flow by means of a Sporlan Electric Expansion Valve (EEV). By using precision pressure and temperature sensor inputs, the RCS is able to control evaporator temperature more accurately and consistently than mechanical thermostatic expansion valves.
For additional information, contact Parker Hannifin-Sporlan Division at 636-239-1111 or visit www.sporlan.com and download Bulletin 100-50-4.


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This overview of the benefits of zoning includes tips for selling to consumers and businesses. Tom Jackson discusses options for new construction and retrofit, as well as some ways a residential contractor can get into the light commercial business with zoning products. Speaker: Tom Jackson, CEO, Jackson Systems
With access to over one million professionals and more than 60 industry-specific publications, 




