Harman Pummice Style Fire Brick 9" x 4.5" x 1.25", 1-00-900450125

SKU 1-00-900450125
MPN 1-00-900450125
In Stock
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This firebrick measures 9" x 4-1/2" x 1-1/4" and is sold individually (just 1 brick). Fire Bricks are essential to the overall performance of your stove. These bricks maintain the proper distance between the flame and the stove shell which prevents excessive heat transfer. Check the service parts section of your manual to see how many bricks are used in your stove and how they are placed. Some stove models also require an insulation blanket to be used in conjunction with the firebrick.

All of the complete replacement sets of firebrick for all Harman pellet, coal, and wood stoves have been discontinued. Below, is a list of all of the models that use firebricks. The number included in the parentheses, after the model name, is the total number of full bricks that would have originally come in the complete set for each unit but Harman is no longer selling cut bricks sets for their respective models. 

We suggest templating all of your bricks as you carefully remove them from the stove; trace the outer edge to a sheet of paper so you will know what quantities, shapes, and sizes are required.

Always double-check your existing brick dimensions and quantities against your owner's manual before ordering as bricks are expensive to ship, which will likely prohibit you from sending them back for credit.

Harman Pellet Stoves:

  • P38(1),P43(1),P61(3),P61A(3),P68(3),PC45(1)

    Harman Coal Stoves:

  • 300i,F200 (Exception),Magnafire Elite Insert,Magnum Stoker,Mark I,Mark II,Mark III,Oakleaf,SF150,SF250,Super Mag Stoker,TL200 (Exception)

    Harman Wood Stoves:

  • TLC2000,SF160 (6),SF260 (8),SF360 (20),SF1500A (8),SF2500A (10),SF2600SS (10),SF3500A (16)
  • NOTE:

    Harman Stoves has recently changed the composition of all of their firebricks to a pumice style to reduce the shipping weight. While they still perform just as well as the older style made from clay, they can be brittle and require handling with care. You will want to use extra care when handling them.

    If you want to see our collection of "Cut Bricks" in the clay style, check out the entire collection. Some of these shaped bricks may still need to have another cut made to match the brick you need but some of the work has already been done for you.

    Harman Models CW30, F200i and TL200 require an insulation blanket under the brick, part # 3-40-05185

    Replacement For Part Number:
    • 1-00-900450125

    Click To See Compatible Models
    UPC: 652174609895

    Compatible Models


    • 300i
    • Absolute 63
    • Exception F200
    • Exception TL200
    • Magnafire Elite
    • Magnum Stoker
    • Mark I
    • Mark II
    • Mark III
    • Oakleaf
    • P38
    • P38+
    • P43
    • P43-C
    • P61
    • P61-C
    • P61A
    • P68
    • P68-C
    • PC45
    • SF150
    • SF1500A
    • SF160
    • SF250
    • SF2500A
    • SF260
    • SF2600SS
    • SF3500A
    • SF360
    • Super Magnum Stoker
    • TLC2000

      Legacy Stoves

    • Mark I
    • Mark II
    • Mark III
    • SF1500
    • SF250 Tribute
    • SF2500
    • SF3500
    • Super Magnum Stoker
    • TLC 2000


    Assembly Instructions For Harman Pummice Style Fire Brick 9" x 4.5" x 1.25", 1-00-900450125

    swapping firebricks is as easy as pulling out the old ones and replacing them with new ones. Harman has discontinued all cut brick sets so if you have to cut your own shape, the easiest way is with a wet saw or a tile break. Make sure to template your bricks to paper as you remove them so that you understand all of the different sizes and shapes you may need to make up a complete set.


    Fire brick that has cracked can usually continued to be used until the actual crack breaks the brick into 2 or more pieces (cracked through).


    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.

    Read More About Our Shipping Information

    Customer Reviews

    Based on 5 reviews
    michele w.

    perfect product. fast delivery

    Paul M.
    Fire brick for Harmon Pellet stove

    Received quickly, well packaged and fit perfect. Excellent service!

    James L.

    Harman Fire Brick 9" x 4.5" x 1.25", 1-00-900450125

    Ronald B.

    quick delivery and brick was in good shape. after removing old brick and cleaned area, new bricks went in easier.

    Jack N.

    Timely delivery of product that was exactly what I needed and ordered


    If your question does not concern this specific product, use our contact form
    Ask a Question
    • Will this fit the Harman Invincible RS ???

      No, this is too big. You will need a brick that is 6" X 4-1/2" X 1-1/4".