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Tjernlund Products Inc.: Universal Blowers

March 13, 2006
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VSUB-Series universal blowers are a part of the manufacturer's modulating combustion air systems. The blowers can be installed indoors or outdoors. They can be mounted on the floor, roof, or suspended from the ceiling. Two modes of operation can be selected: open mode and sealed mode. In open mode, the blower maintains a fixed pressure within the mechanical room and employs a gradual modulation strategy based on differential from set point. In sealed mode, the blower maintains a neutral pressure in a common duct serving multiple sealed combustion heaters and employs a very reactive modulation strategy to meet exact demands of modulating burners. The blower housing rotates 180 degrees in 45-degree increments.

Tjernlund Products Inc., 1601 Ninth St., White Bear Lake, MN 55110-6794; 651-426-2993 or 800-255-4208; 651-426-9547 (fax); www.tjernlund.com

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