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 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 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.

The new Air Daddy makes it simple to inflate balls, air mattresses, swimming aids and other recreational equipment. Attach the threaded end to a portable air compressor, gas station hose or bicycle pump and the Air Daddy becomes a high-pressure air pump. Included are two adapters that are designed for small and large inflation holes. The ergonomic design makes it easy to grip in the palm of the hand. Sized to fit easily in small medical and lab equipment, fuel cells, and mass spectrometers, the tiny Model P5H7 scroll pump delivers up to 10 psi and has a no-load flow of 0.14 cfm. Quiet and inherently vibration-free, it is available in aluminum or economical injection-molded plastic. Pump can be adapted for liquids and is suitable for use in disposable applications. The Vilter Mini-Screw (VSM) is a rotary, positive-displacement cyclepumpaircompressor compressor that incorporates a main screw and two gate rotors. The compact design has no external tubing, no gearbox, and an optional oil pump. In addition, the cyclepumpaircompressor VSM is quieter than twin-screw compressors. Champion offers the HGR6-3K reciprocating air compressor model in the R Series line. This engine driven, splash-lubricated compressor is a two-stage pump. The unit has been engineered with an integral cylinder head, which does not require head gaskets. This design eliminates the possibility of blown head gaskets. A 0.5-hp scroll compressor/vacuum pump is an oil-free unit that provides less than 1 Torr of vacuum or 20 psig of compressed air on ventilators, aspirators, oxygen concentrators, and blood-pressure monitors. The scroll design offers smooth, pulse-free operation, and with only one moving part, scroll machines usually last the lifetime of the equipment in which they are integrated. Single-stage compressor/vacuum pumps can be used in laboratories, electronics-manufacturing applications, and in the energy industry for fuel cells and microturbines. Used as a vacuum source, the 0.5-hp unit provides < 1 Torr ultimate vacuum with a pumping speed of 3.5 cfm. In compressor mode, the unit provides 3 cfm at 20 psig, with max open flow of 3.5 cfm. A four-pole ac motor powers the compressor/vacuum pump.

The Vision customized air handler features a custom-built modular platform that cyclepumpaircompressor allows owners and contractors to specify air handling systems to meet their applications. Bulb-type gasketing and insulated splice joints reduce air leakage, noise and the induction of unfiltered air. Removable cross-member frame channels allow for easy top or side coil removal in a minimum of mechanical room space. McQuay. Circle 102 on inquiry card The DHC Series tankless electric water heater is suitable for all handwashing and kitchen applications. Small in size, it can be mounted near the pipe of use, reducing or eliminating hot water pipe runs. Stiebel Eltron.

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