INDIANAPOLIS — Jackson Systems LLC has announced its new patent pending Barometric Zone Damper™ (BZD), which the company says eliminates the need for a costly and time consuming bypass damper ...
CHANTILLY, Va. — The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), an organization dedicated to the sheet metal and air conditioning industry, announced the sixth ...
The Combination Fire/Smoke Dampers combine two dampers in one. The two-position device is tested to 5,000 cycles, intended to prevent the spread of fire (UL 1-1/2-hour fire rating), as well as smoke ...
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