Harman Distribution Convection Room Air Blower, 3-21-33647-AMP


A $100.00 Savings vs the OEM

SKU 3-21-33647-AMP
MPN 3-21-33647
  • After Market Part
  • Try the OEM version of this part
  • Made By Fasco
  • Ships FREE with orders over $99
  • Express Shipping available!
  • Compatible Replacement For Part 3-21-33647
  • 30-Day Hassle Free Returns!
  • 90 Day Warranty On All Items
  • Buy with confidence-Buy with the experts!
  • Learn More...
Notify Me When Available

Frequently Bought Together


Replacement distribution (convection) blower for Harman Pellet Stoves that use Part# 3-21-33647. This blower is mounted without a gasket in all applications.

In addition to the models listed on the compatible tab, this product also fits:

  • Harman Gas Models:
    • BVG
    • Clarity 929 B-Vent
    • Clarity 929 DV
    • DVG
  • Harman Coal Models:
    • DVC 500
    • Mark I

Part# 3-21-22647, 3-21-33647, PP7313, AMP20146

Replacement For Part Number :
  • 3-21-33647

Compatible Models


  • Absolute 63
  • Accentra 52i
  • Accentra 52i TC
  • Advance
  • Allure 50
  • DVC 500
  • Invincible RS
  • Invincible T
  • P38
  • P38+
  • P43
  • P43-C
  • P61
  • P61-C
  • P61A
  • P68-C
  • Pellet Pro II

Technical Specs

Volts 115V
Cycles 60HZ
Amps 1.0 AMP
RPM 1500 RPM
Direction CW
Shaft Diameter 5/16"



Unfortunately, sometimes products do not work like they are supposed to. We offer a 90 day warranty on manufacturer defects. Some manufacturers make this a very simple and easy process unfortunately others do not. Items must be used in accordance with the manufacturers guidelines to qualify for warranty replacement. Please be advised that warranty claims for these parts may take up to 4 weeks for processing, and customers must cover shipping.

Shipping Info

This Item Qualifies For Free Shipping!

When Will My Order Ship

All orders are typically processed within 24 hours of receiving payment and are shipped from us same day if placed before our shipping cutoff time (Monday - Friday: 1PM, Saturday: 10AM, Sunday: No Shipping), orders placed after our cutoff time are shipped the next morning.

How Does Free Shipping Work?

Most orders over $99 qualify for free shipping! Orders which ship for free are shipped with either USPS or UPS based on our discretion. If you are using a PO box, free shipping orders will always go USPS.

Is Expedited Shipping Available?

We offer both overnight and two day air shipping services for all orders placed within the Continental United States. For information on shipping cut-off times, go to our shipping page.

Do You Ship To Canada?

We ship to Canada! We estimate USPS to take 4-10 days once receiving your package from us. We do not offer expedited shipping of any kind to Canada. Please allow an extra 2-5 days for all shipments to Canada. Free shipping is not available to Canada.

Do You Ship To Alaska Or Hawii?

We ship to both Alaska and Hawaii! We do not offer next day or two day shipping to Alaska or Hawaii. Free shipping is not available to Alaska or Hawaii.

Do You Ship Outside The US Or Canada?

Unfortunately, at this time we do not offer international shipping other than to Canada.

If you wish to calculate shipping for an item which does not qualify for free shipping, or if you would like the cost to expedite your order, please do the following. Add the item you want to order to your cart and click here to be taken to the cart page where you can enter your country, state / province, and zip code for an estimate.

Shipping Time Estimations

For information on shipping time estimations, see either the Shipping Information & Transit Times on the cart page, or go to our shipping page.

Read More About Our Shipping Information

Customer Reviews

Based on 20 reviews
Robert P.

good service on time thanks

deborah g.

After watching your informative videos, I realized my problems were stemming from my distribution blower.
After dealing with local Harman dealers and their repairmen, I feel I have never received competitive service.
I am thrilled to have discovered your videos and am grateful you have shared your expertise on so many makes and models. I will be purchasing stove piping and anything else I may need, from your company. I received my part quickly and easily at a very decent price. Thank you so much!!

Peter H.
Fast shipping

It was the best prize i have seen in along time.The blower works better than i old one

John M.

Next day delivery. Great product at a great price.

Glenn K.

Just like the original works great


Have a Question?

Be the first to ask a question about this.

Ask a Question

Net Orders Checkout

Item Price Qty Total
Subtotal $0.00

Shipping Address

Shipping Methods