Home » Distribution Convection Room Air Blower – 3-21-33647 | OEM Replacement for Harman Stoves
Distribution Convection Room Air Blower – 3-21-33647 | OEM Replacement for Harman Stoves - Total Hearth
Distribution Convection Room Air Blower – 3-21-33647 | OEM Replacement for Harman Stoves - Total Hearth
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Distribution Convection Room Air Blower – 3-21-33647 | OEM Replacement for Harman Stoves

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SKU: HHT10
$269.99

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Distribution Convection Room Air Blower – 3-21-33647 | OEM Replacement for Harman Stoves | Improves Heat Circulation

Restore your pellet stove’s performance and heat output with the OEM Distribution Room Air Blower (3-21-33647). Also known as the convection or room air blower, this essential part circulates warm air throughout your space by pushing room air through the stove’s heat exchanger. Designed to prevent overheating and optimize comfort, it’s a direct replacement for part number 3-21-22647.

Key Features:

  • OEM-Quality Replacement – Built to original Harman specifications
  • Boosts Heat Distribution – Improves airflow through the heat exchanger
  • Quiet and Efficient – Maintains comfortable room temperatures with low noise
  • Easy Replacement – Compatible with a wide range of Harman pellet stoves

Specifications:

  • Part Number: 3-21-33647 (replaces 3-21-22647)
  • Function: Room air / convection blower
  • Voltage: 120V
  • UPC: 652174686971
  • Application: Circulates heated air into the room

Compatible Models:

Used on many Harman pellet stove and insert models, including:

  • P43
  • P61
  • P61A
  • P68
  • PC45
  • Accentra 52i
  • Advance
  • XXV
  • DVC-500
  • Invincible T / RS
  • Absolute63
  • Allure50
  • Pellet Pro II and others

Always check your owner’s manual or existing part number to confirm compatibility.

Upgrade your stove’s heating performance with the trusted reliability of the Harman 3-21-33647 distribution blower. Order your replacement today and enjoy consistent, evenly distributed warmth.

Can be installed on:

  • 1-10-07906A – P68 UL FDR ASY-SALES
  • 1-10-09674A – P61A FDR ASY -2 SALES
  • 1-10-09684A – P61/A UL FDR ASY-SALES
  • 1-70-00688-1 – P68 Pellet Stove - Black
  • 1-70-00688-10 – P68 Pellet Stove - Mojave Red
  • 1-70-00688-12 – P68 Pellet Stove - Forest Green
  • 1-70-00688-2 – P68 Pellet Stove - Charcoal
  • 1-70-00688-3 – P68 Pellet Stove - Goldenfire
  • 1-70-00688-4 – P68 Pellet Stove - Metallic Blue
  • 1-70-00688-5 – P68 Pellet Stove - Honey Glo
  • 1-70-00689-1 – P68 Pellet Stove - Black
  • 1-70-00689-2 – P68 Pellet Stove - Charcoal (Japan)
  • 1-70-00689-3 – P68 Pellet Stove - GFB (Japan)
  • 1-70-05800-1 – P61 Pellet Stove - Black
  • 1-70-05820-1 – 44MAG Black
  • 1-70-08500-1 – PP38 Plus - Black
  • 1-70-08600-1 – DVC 500/C - Black
  • 1-70-08730-1 – Advance Pellet Stove - Black
  • 1-70-08730-10 – Advance Pellet Stove - Mojave Red
  • 1-70-08730-12 – Advance Pellet Stove - Forest Green
  • 1-70-08730-2 – Advance Pellet Stove - Charcoal
  • 1-70-08730-3 – Advance Pellet Stove - Goldenfire
  • 1-70-08730-4 – Advance Pellet Stove - Metallic Blue
  • 1-70-08730-5 – Advance Pellet Stove - Honeyglo
  • 1-70-08730-7 – Advance Pellet Stove - Black
  • 1-70-08735-1 – Advance Pellet Stove - Black (Japan)
  • 1-70-08735-2 – Advance Pellet Stove - Charcoal (Japan)
  • 1-70-08735-3 – Advance Pellet Stove - Goldenfire (Japan)
  • 1-90-00680-1 – P68-c Pellet Stove - Black with door
  • 1-90-04300-1 – P43 Pellet Stove - Black with door
  • 1-90-04300-10 – P43 Pellet Stove - Mojave Red
  • 1-90-04300-12 – P43 Pellet Stove - Forest Green
  • 1-90-04300-2 – P43 Pellet Stove - Charcoal
  • 1-90-04300-3 – P43 Pellet Stove - Goldenfire
  • 1-90-04300-4 – P43 Pellet Stove - Metallic Blue
  • 1-90-04300-5 – P43 Pellet Stove - Honey Glow
  • 1-90-04305-1 – P43 Pellet Stove - Black with door
  • 1-90-04305-2 – P43 Pellet Stove - Charcoal (Japan)
  • 1-90-04305-3 – P43 Pellet Stove - Goldenfire (Japan)
  • 1-90-04400-1 – P43-c Pellet Stove - Black with door
  • 1-90-05800-1 – P61 Pellet Stove - Black with door
  • 1-90-05800-10 – P61 Pellet Stove - Mojave Red
  • 1-90-05800-12 – P61 Pellet Stove - Forest Green
  • 1-90-05800-2 – P61 Pellet Stove - Charcoal
  • 1-90-05800-3 – P61 Pellet Stove - Goldenfire
  • 1-90-05800-4 – P61 Pellet Stove - Metallic Blue
  • 1-90-05800-5 – P61 Pellet Stove - Honey Glo
  • 1-90-05801-1 – P61A Pellet Stove - Black
  • 1-90-05801-10 – P61A Pellet Stove - Mojave Red
  • 1-90-05801-12 – P61A Pellet Stove - Forest Green
  • 1-90-05801-2 – P61A Pellet Stove - Charcoal
  • 1-90-05801-3 – P61A Pellet Stove - Goldenfire
  • 1-90-05801-4 – P61A Pellet Stove - Metallic Blue
  • 1-90-05801-5 – P61A Pellet Stove - Honeyglo
  • 1-90-05805-1 – P61A Pellet Stove - Black
  • 1-90-05805-2 – P61A Pellet Stove - Charcoal (Japan)
  • 1-90-05805-3 – P61A Pellet Stove - GFB (Japan)
  • 1-90-06100-1 – P61A-c Pellet Stove - Black
  • 1-90-06800-1 – PC45 Pellet Stove - Black
  • 1-90-06800-10 – PC45 Stove - Mojave Red
  • 1-90-06800-12 – PC45 Stove - Forest Green
  • 1-90-06800-2 – PC45 Stove - Charcoal
  • 1-90-06800-3 – PC45 Stove - Goldenfire
  • 1-90-06800-4 – PC45 Stove - Metallic Blue
  • 1-90-06800-5 – PC45 Stove - Honey Glo
  • 1-90-06805-1 – PC45 Stove - Black (Japan)
  • 1-90-06805-2 – PC45 Stove - Charcoal (Japan)
  • 1-90-06805-3 – PC45 Stove - GFB (Japan)
  • 1-90-08025 – Invincible RS - Black
  • 1-90-08025-1 – Invincible RS - Black
  • 1-90-08260-1 – DVG-LP/Standard Gold/Black
  • 1-90-08260-10 – DVG-LP/Standard Gold/Mojave Red
  • 1-90-08260-12 – DVG-LP/Standard Gold/Forest Green
  • 1-90-08260-2 – DVG-LP/Standard Gold/Charcoal
  • 1-90-08260-3 – DVG-LP/Standard Gold/GFB
  • 1-90-08260-4 – DVG-LP/Standard Gold/Metallic Blue
  • 1-90-08260-5 – DVG-LP/Standard Gold/Honeyglo
  • 1-90-08280-1 – BVG-LP/Standard Gold/Satin
  • 1-90-08280-10 – BVG-LP/Standard Gold/Mojave
  • 1-90-08280-12 – BVG-LP/Standard Gold/Forest
  • 1-90-08280-2 – BVG-LP/Standard Gold/Charcoal
  • 1-90-08280-3 – BVG-LP/Standard Gold/Gold
  • 1-90-08280-4 – BVG-LP/Standard Gold/Metallic
  • 1-90-08280-5 – BVG-LP/Standard Gold/Honey
  • 1-90-08500-1 – P38+ Pellet Stove - Black with door
  • 1-90-08500-10 – P38 Pellet Stove - Mojave Red w/ door
  • 1-90-08500-12 – P38 Pellet Stove - Forest Green w/ door
  • 1-90-08500-2 – P38 Pellet Stove - Charcoal
  • 1-90-08500-3 – P38 Pellet Stove - Goldenfire
  • 1-90-08500-4 – P38 Pellet Stove - Metallic Blue w/ door
  • 1-90-08500-5 – P38 Pellet Stove - Honeyglo w/ door
  • 1-90-08505-1 – P38 Pellet Stove - Black (Japan)
  • 1-90-08505-2 – P38 Pellet Stove - Charcoal (Japan)
  • 1-90-08505-3 – P38 Pellet Stove - GFB (Japan)
  • 1-90-08600-1 – DVC-500 Direct Vent Coal Stove - Black
  • 1-90-574200-1 – Accentra 52i Insert - 20" - Black
  • 1-90-574200-14 – Accentra 52i Insert - 20" - Majolica Brown Enamel
  • 1-90-574220-1 – Accentra 52i Insert - 22" - Black
  • 1-90-574220-14 – Accentra 52i Insert - 22" - Majolica Brown Enamel
  • 1-90-574240-1 – Accentra 52i Insert - 24" - Black
  • 1-90-574240-14 – Accentra 52i Insert - 24" - Majolica Brown Enamel
  • 1-90-584200-1 – Accentra52i-TC, 20", Matte Black
  • 1-90-584200-14 – Accentra52i-TC, 20", Majolica Brown Porcelain
  • 1-90-584201-1 – Accentra52i-TC Pellet Insert - 20" - Matte Black
  • 1-90-584201-14 – Accentra52i-TC Pellet Insert - 20" - Porcelain Majolica Brown
  • 1-90-584220-1 – Accentra52i-TC, 22", Matte Black
  • 1-90-584220-14 – Accentra52i-TC, 22", Majolica Brown Porcelain
  • 1-90-584221-1 – Accentra52i-TC Pellet Insert - 22" - Matte Black
  • 1-90-584221-14 – Accentra52i-TC Pellet Insert - 22" - Porcelain Majolica Brown
  • 1-90-584240-1 – Accentra52i-TC, 24", Matte Black
  • 1-90-584240-14 – Accentra52i-TC, 24", Majolica Brown Porcelain
  • 1-90-584241-1 – Accentra52i-TC Pellet Insert - 24" - Matte Black
  • 1-90-584241-14 – Accentra52i-TC Pellet Insert - 24" - Porcelain Majolica Brown
  • 1-90-742200-1 – P42I-TC Pellet Insert - 20" - Matte Black
  • 1-90-742240-1 – P42I-TC Pellet Insert - 24" - Matte Black
  • 1-90-888000-1 – Allure50 Pellet Stove
  • 1-90-888001-1 – Allure50 Pellet Stove
  • 1-90-999000-1 – Absolute63 - Matte Black
  • 1-90-999000-14 – Absolute63 - Porcelain Majolica Brown
  • 1-90-999001-1 – Absolute63 Pellet Stove
  • 1-90-999001-14 – Absolute63 Pellet Stove - Porcelain Majolica Brown
  • INVT – Invincible T Pellet Stove
  • PP2 – Pellet Pro 2 Pellet Stove