Harman – Accentra 52i Pellet Insert

Harman – Accentra 52i Pellet Insert

Width: 41-13/16
Height: 32-1/8
Hopper Height: 1-90-574200: 20
1-90-574220: 22
1-90-574240: 24
Depth: 29-5/16
Extension onto Hearth: 16-1/2
BTU/Hour Input1: 13,800-53,000
Heating Capacity2: 900 – 2,600 sq ft
Hopper Capacity: 20″ – 47-1/2lbs
22″ – 58lbs
24″ – 64-1/2lbs
Viewing Area: 181-1/8 sq in
Efficiency3: 81.7%
Emissions: 1.5g/hr

1BTU/hr Input based on maximum feed rate per hour multiplied by approximately 8,600 BTUs, which is the average BTUs from one pound of pellets
2See your local Harman dealer for help in determining the product that best suits your heating needs based on climate, home efficiency, location of the heater, and air movement in the room.
3Weighted Average LHV (Low Heating Value) Efficiency


The Harman Accentra 52i pellet insert is the latest powerhouse pellet fireplace insert with automatic ignition with 53,000 BTUS heating 900-2600 sq. ft. The Harman Accentra 52i pellet insert is the latest, upgraded edition of the best-selling Accentra Insert. Now, Harman PelletPro and ESP Technology deliver 85% efficiency and a 10,000 increase in BTU output, while still providing powerful, even heat within 1 degree. These powerhouse pellet fireplace inserts with automatic ignition make reaching the perfect room temperature as simple as ever, and a re-engineered design provides even easier maintenance—for up to 50% less cleaning time than any other pellet insert appliance available.

  • 53,000 BTUs — heats 900 to 2,600 square feet, based on climate and home efficiency
  • Up to 64.5 lb hopper capacity
  • 81.7% efficiency
  • Automatic ignition and temperature control
  • Flame reactive mirrored glass (standard feature)
  • EPA certified


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