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One of the newest additions to our family of fireplaces. The 'Thief River Falls' will provide spectacular flames and extraordinary heat. This model features a rustic log set, standard refractory lining and numerous customizing options. With over 900 sq. inches of viewing area, it is sure to create a strong statement.

Standard Features
   28,000 BTU/hr Input-NG & 28,000 BTU/hr Input - LP
   High Efficiency: Natural Gas - 80% LP Gas - 82%
  Canada P-4 Top Vent AFE - 62.26% LP Gas - 66.87%
   High Quality Lifetim e Borofloat Glass (35" x 26")
  Quick-Latch Glass
  Refractory Brick Lining
  Accepts Rigid Pipe; Rear Vent Ready
  High-Low Regulator
  Minnesota Energy Code Compliant to 50 pascals
  Limited Lifetime Warranty


Optional Features

   Flex Venting Adaptor Kit
   Renaissance Pattern Front
   Renaissance Pattern Full Door Face
   Mission Design Doors
   Drake Pattern Full Door Face
   Young Pattern Full Door Face
   Bay Front
  Automatic Fan Kit with Variable Speed Control (2-75 CFM)
  Remote Control or Thermostat Remote Control
  Wall Mount Thermostat (wireless also available)
  Wall and Corner Cabinet


  Top of unit face to framing (cement board to be used in this area): 3½"
  From unit left & right sides & back: ½"
  Surround Sides (flush): 0"
  To Flooring: 0"
  Unit top to ceiling: 31”
  From unit glass to adjacent sidewall: 12"
  From the unit’s side to adjacent sidewall: 0"
  Mantel 8" Deep from top of unit: 8"
  Mantel 12" D eep from top of unit: 12"


 Height - 38"
 Width - 41 ¼"
 Depth - 16 ¼ "
 Platform 40 ¾ " W x 15 ¾ " D
 Firestop framing Flex pipe - 12 1/2" x 12 1/2" hole. The center is a minimum of 65 1/2" above hearth height Dura-Vent™ chimney - 11" x 11" hole direct through the wall termination - The center is 39 5/8" above hearth height

Always consult the installation manual for venting requirements
 Simpson Dura-Vent DV- GS Pipe - 4” x 6 5/8”
 Kozy Heat Flexible Termination Kits* - 4” x 7" (top vent only)
 Specialty Vent Kit is required for corner installations
 (2) 45 elbows may be used in place of (1) 90 elbow
 Back (rear) Venting:
Straight out the back:
Minimum: 6" followed by term . cap (2) 90° thereafter
Maximum: 24" followed by term . cap
Vertical Termination:
Minimum: 90 elbow + 14" piece
Maximum: 90 elbow + 22 ft.
 Top Venting:
Horizontal Termination:
Minimum: 90° elbow + 6", term . cap
Maximum: 90° elbow + max. 14 ft.
Vertical Termination: Maximum : 33 ft.
Horizontal & Vertical Combo: 30 ft. = 10 ft. max. horizontal
20 ft. max. vertical
  Thief River Falls brochure
  Thief River Falls manual
  Thief River Falls line drawing
    EACH UNIT FACTORY TESTED
    Tested by OMNI-Test Laboratiories Complies with ANSI Z21.88B-2003•C SA 2.33-2003 ‘Vented Gas Fireplace Heaters’
    Sealed Combustion Chamber with Standing Pilot Ignition
    Removable Millivolt Board with 30-Second Delay Pilot
    Requires NO ELECTRICITY
    Automatic Pressure Relief Glass System
    Bedroom and Mobile Home Approved
    Canadian Approved