Common Features / Specifications
• All models are UL Classified
• Deep drawn manufacturing process made in the USA
• Extension rim protrudes from nailing flange 7/8"
• Total of eight 1/4" mounting holes (4 on each side)
• Sides are tapered to allow for nesting of multiple boxes
• Surface is clean of oil residue and easy to paint
• Instruction sheet attached to rear panel
• All models incorporate a Gas Port knock-out

Model 425
Sku DB-425 (For Upward Exhaust Direction)

• 22 gauge aluminized steel weighing 4.14 pounds each
• Top port measures 4 1/8" with very slight oval shape
• Distance from nailing flange to rear of box is 4 1/4"
• Overall measurements: 21" h x 12 1/2" w x 5 1/8" deep
• Inside measures 9 1/2" wide x 18 1/4" tall
• Five units per carton, 36 cartons per pallet, ships as a class 70

Model 350
Sku DB-350 (For Upward Exhaust Direction)

• 22 gauge aluminized steel weighing 4.03 pounds each
• Top port measures 4 7/8" x 3 1/8" oval shape
• Distance from nailing flange to rear of box is 3 1/2"
• Overall measurements: 21" h x 12 1/2" w x 4 3/8" deep
• Inside measures 9 1/2" wide x 18 1/4" tall
• Six units per carton, 36 cartons per pallet, ships as a class 70

Model 4D
Sku DB-4D (For Downward Exhaust Direction)

• 22 gauge aluminized steel weighing 4.31 pounds each
• Lower port measures 4 1/8" with very slight oval shape
• Distance from nailing flange to rear of box is 4 1/4"
• Overall measurements: 19" h x 16 3/4" w x 5 1/8" deep
• Inside measures  14" wide x 16" tall
• Five units per carton, 36 cartons per pallet, ships as a class 70

Model 3D
Sku DB-3D (For Downward Exhaust Direction)

• 22 gauge aluminized steel weighing 4.12 pounds each
• Lower port measures 4 1/8" with very slight oval shape
• Distance from nailing flange to rear of box is 3 1/2"
• Overall measurements: 19" h x 16 3/4" w x 4 3/8" deep
• Inside measures  14" wide x 16" tall
• Six units per carton, 36 cartons per pallet, ships as a class 70

Retro-Fit Model
Sku DB-400

• 22 gauge aluminized steel, click here for enlarged image
• Powder coated (similar to finish on dryer appliance)
• Top port measures 4 7/8" x 3 1/8" oval shape
• Distance from mounting flange to rear of box is 4"
• Overall measurements: 21" h x 11 1/2" w x 4" deep
• Inside measures 9 1/2" wide x 18 1/4" tall
• Four mounting 3/16" holes on flange
  • Read "Instruction Sheet" prior to ordering or click here
  • Alternate method to using the Retro-Fit Box
  • Installation and Retro's stories by others