FOLDED and FORMED®
HEATING ELEMENTS

FOLDED & FORMED®
HEATER RACKS:

M2 Series -
11-3/4" long x 13-3/4" high -
M2-FFR, M2-FFRH

FS Series -
22-1/2" long x 13-3/4" high -
 FSL, FSM, FSH

AS Series -
22-1/2" long x 24-1/2" high -
ASL, ASM, ASH

BS Series -
34-1/2" long x 16-3/4" high -
BSL, BSM, BSH

CS Series -
34-1/2" long x 30-1/2" high - 
CSL, CSM, CSH

Air Duct Heaters -
DFF, DHFF

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TRENT, Inc.
201 Leverington Ave.
Philadelphia, PA 19127
Toll Free: 800-544-TRENT
Phone: 215-482-5000
Fax: 215-482-9389

 

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Used in small ductwork applications, these heaters can be arranged in banks or plugs to form higher wattage and voltage combinations.

TRENT DFF and DHFF AIR DUCT heaters consist of a fabricated aluminized or alloy steel support frame with pre-formed metal channels. In these channels, high-grade, refractory, slide-in, porcelain retainers are mounted to support one or two levels of three-tier high TRENT F&F® nickel-chrome, ribbon type heating elements. The overall rack frame dimensions for single bank racks are 6-3/4" high and 11-3/4" wide; two bank racks are 10-1/4" high and 11-3/4" wide.

   
     
   

AIR DUCT HEATERS have two temperature ranges. DFF Racks have a maximum rack frame temperature of 750°F with an aluminized steel frame; DHFF Racks have a maximum rack frame temperature of 1350°F with a 304 stainless steel frame. There are no screws or mechanical fasteners used in the rack frame construction. The internal connections are all welded. The anchor and terminal sections are welded construction to insure continuous non-arching, electrical resistance path from terminal to terminal. TRENT AIR DUCT HEATERS are easily fastened to the duct interior.The F&F® heating elements are rugged and provide long life at high wattages and temperatures with proper air velocity maintained parallel to the long dimension. This means more heat, faster and with less energy expended. They also allow faster cooling to prolong element life. These benefits, coupled with the ease of installation, make TRENT F&F® AIR DUCT heaters as economical as they are efficient.