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Small Cleanout Gasket for ComfortBilt (HP22I & HP21): SMALL-CLEANOUT-GASKET

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ComfortBilt Pellet Stove Small Cleanout Gasket.  This gasket is used to create an airtight seal between the burn chamber cover and stove. It is critical that you maintain a tight air seal inside your pellet stove.  Pellets stoves are designed to ignite and operate within a certain pressure range.  Making sure your gaskets are in good condition is one way to help your stove function as efficiently as possible.

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Technical Specs

Length 3-¾"
Width 1-½"


Assembly Instructions For Small Cleanout Gasket for ComfortBilt (HP22I & HP21): SMALL-CLEANOUT-GASKET

Gasket Installation Instructions:

1.) Locate the chamber covers.

2.) Unscrew both Wing Nuts holding the chamber cover in place.

3.) Remove the existing gasket (You may need to use a small putty knife or flathead screwdriver to scrape away the old gasket).

4.) Install the new gasket.

5.) Reposition the chamber cover and tighten both Wing Nuts (Make sure the chamber cover seats firmly against the unit).

Click here to view ComfortBilts "Guide-to-Stove Cleaning" or check out "Maintenance and Cleaning" by clicking the Videos tab above!


Helpful Tips:

When cleaning out this area of the stove it is helpful to have a long narrow hose you can attach to your vacuum. Most of these chambers extend all the way up to the heat exchanger at the top of the stove. It is important that the entire chamber is cleaned from top to bottom.

Click here to view ComfortBilts "Guide-to-Stove Cleaning".


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 With Orders Over $199!

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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