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USSC Pellet Exhaust Blower (Wall Mounted 4840): 80573

SKU 80573
MPN 80573
Only 9 Left In Stock
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Frequently Bought Together


USSC Pellet (70 CFM) Exhaust Blower for (US Stove 4840 Wall Mounted Pellet Unit).  The exhaust blower is responsible for drawing smoke out of the unit and pulling combustion air into the furnace.  It is important that the blower functions properly.  If the blower is not running as it should, smoke/flue gas may enter the room. You may also notice a lazy flame and a poor burn as a result of inadequate combustion air being delivered to the fire.   


Replacement For Part Number:
  • 80573

UPC: 012685000824


Assembly Instructions For USSC Pellet Exhaust Blower (Wall Mounted 4840): 80573

1.) Unplug the unit and make sure it is cool to the touch.

2.) Remove the necessary panels from the unit to allow access to the combustion blower.

3.) Disconnect the power wires leading to the draft blower.

4.) Remove the screws attaching the blower housing to the unit and disconnect the adapter transitioning from the old blower housing to the exhaust pipe. (You may need to disconnect the exhaust pipe from the unit to do this).

5.) Remove the old gasket (Using a flathead screwdriver scrape and remove any pieces of old gasket stuck to the housing or body of the unit).

6.) Position the new gasket and blower assembly in place and reinstall the previously removed screws.

7.) Reconnect the adapter (If previously removed) and venting. Make sure the connection from the blower housing to the adapter and the connection from the venting to the adapter collar is sealed with high-temperature silicone!

7.) Reconnect any previously removed power wires.

8.) Reinstall any previously removed panels and plug in the unit.


-The exhaust blower is responsible for drawing smoke out of the unit and pulling combustion air into the furnace. If you notice smoke/flue gas entering the room or a lazy flame, this may be a sign that the combustion blower is not operating as it should. If you have thoroughly cleaned the unit/venting but are still experiencing these issues, you may want to consider replacing your blower!


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 $199 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.

Shipping Time Estimations

For information on shipping time estimations, see the Shipping Information & Transit Times on the shipping page.

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