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ProTech Systems, Inc.: DIRECT-VENT SYSTEM

September 6, 2001
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The FasNSeal® AL29-4C® direct-vent system is now UL-listed in commercial sizes through 16-in. dia, says the manufacturer. The vent system is designed for high-efficiency gas and oil heaters where cool flue gases are vented under pressure. With this approach, the contractor doesn’t have to seal each joint with RTV silicone, which is time consuming and leaves room for installation errors, the company says. The product features a built-in, mechanical locking band and gasket. Parts are pushed together to a stop bead, which provides an air- and watertight joint, says the company.

ProTech Systems, Inc., 26 Gansevoort St., Albany, NY 12202; 518-463-7284;

www.protechinfo.com (website).

eProduct #184

Publication date: 09/10/2001

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