Circle 103 on inquiry card The Clean-Pak extended surface pocket filter is made with a dual layer synthetic media. The pockets are formed by a sonic sealing process using ultra high frequency sound. It features a high burst strength to maintain pocket integrity under high resistance or turbulent conditions. The pockets are mechanically crimped and chemically bonded to a rust-resistant, galvanized steel header. Airguard. Circle 104 on card The GVD Vent Damper solves the problem of heat loss and cold air infiltration through open vent pipes. When there''s a call for heat, the motorized damper automatically opens to allow natural draft during appliance operations. When the thermostat is satisfied, the damper closes. It is made of stainless steel and available in eight sizes from 4-in. to 12-in. It operates with all 24 VAC, 60 hz intermittent ignition and standing pilot ignition systems. Field Controls.

Circle 108 on inquiry card This duct liner offers a high level acoustic and thermal resistance. It meets thermal performance requirements of many of the most stringent local and state energy codes, including Title 24 of the California Building Standards Code. An encapsulant edge coating covers fibers and prevents flaring of the insulation at the edges (an important IAQ concern with internal duct linings). The airstream surface is treated with an anti-microbial agent to prevent the growth of fungi and bacteria. Knauf. Circle 109 on inquiry card The Wind Guard air curtain is a fixed-speed, belt-driven unit that produces large volumes of air at low operating sound pressure levels. Primary applications are over doors 14-ft. to 26-ft. in height. It can successfully repel gusts of wind replacementaircompressorpump up to 30 mph. Heated and unheated models are available, with heated models available in gas, electric, steam and hot water coil designs. Mars Air Doors.

Circle 105 on inquiry card This whole-house HEPA filter packaged system easily installs on the return air side of a forced-air system. It comes complete with replacementaircompressorpump a high-efficiency pre-filter, a true HEPA cell and a blower/motor assembly. The cell can remove 99.97% of particulate at 0.3 microns in the airstream. A five-year warranty is offered on all electrical parts. Enerzone. Circle 106 on inquiry card The Drain-Rooter PH drain cleaning machine features a power cable feed and variable speed motor. The unit can be operated replacementaircompressorpump in both horizontal and vertical positions to get closer to the drain opening. Drum speed can be varied by changing pressure on a foot pedal, making it easier to thread the boring head through strainers and crossbars. Users can vary the feed rate from 0 ft./min, to 16 ft./min. The unit weighs 22 lb. General Wire Spring. ED-W is a line of wide-pitch retractable ducting hat features stitched construction. It can be fabricated in sizes up to 36-in. for moving large volumes of air under positive pressure. The ducting can be fabricated from a wide variety of materials such as vinyl-coated polyester, silicone-coated fiberglass and metallized fabrics. Heat-resistant threads enable the ducts to handle temperatures up to 1,000 [degrees] F. Hi-Tech Hose.

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