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WHERE'S MY MODEL NUMBER?

All appliances have a model number and a serial number tag located on the appliance. Generally they are available for the customer to find quickly. If you are unable to locate your tag, please see your original manual and or invoice from when you purchased the appliance.

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Armstrong

Armstrong

(5886 products)

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Up to 25% off

810133-153K Armstrong Impeller Kit For; 4270 1.25X1.00 Brass 4

$1,135.09 USD ~~$1,521.50~~

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Up to 25% off

8975000-840K Armstrong Kit Cplg 7S 1.125 1.625 Epdm

$731.96 USD ~~$981.14~~

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Up to 27% off

818464-003K Armstrong Sba-Mf S46 W Nfi

$567.29 USD ~~$780.79~~

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8975000-838K Armstrong Kit Cplg 7S 0.875 1.625 Epdm

$731.96 USD ~~$981.14~~

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89975001-83705K Armstrong Sealkit Impdia131.6Ssc-Sscwg

$703.88 USD ~~$943.50~~

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880000-049K Armstrong Kit Cyclone-Flow Ind 43004322 Nylon Cyc

$4,311.14 USD ~~$5,778.79~~

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851008-140 Armstrong Kit-Standard Hsc 10X8X14

$2,570.92 USD ~~$3,446.14~~

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880000-021K Armstrong Kit Flafltr-Flwind-5-4200H-112

$1,736.60 USD ~~$2,327.79~~

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Up to 27% off

880000-017K Armstrong Kit Fla-3 4372 Depm Pumps Single Side

$511.72 USD ~~$704.29~~

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Up to 26% off

8975000-823K Armstrong Kit Cplg 4J 0.875 0.625 Epdm

$259.23 USD ~~$350.93~~

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Up to 25% off

810134-125K Armstrong Impeller Kit For; 4270 1.50X1.25 & 2.00X

$753.71 USD ~~$1,010.29~~

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810134-123K Armstrong Impeller Kit For; 4270 1.50X1.25 & 2.00X

$753.71 USD ~~$1,010.29~~

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Up to 25% off

832019-068K Armstrong 4360B Service Motor. 2Hp 3600Rpm 575V

$2,243.00 USD ~~$3,006.57~~

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Up to 25% off

826770-000 Armstrong Rep 426770-000 Assy-Brg Frame S Oil Lube

$2,139.72 USD ~~$2,868.14~~

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832021-083K Armstrong 4360B Service Motor. 3Hp 3600Rpm 208V

$2,801.03 USD ~~$3,754.57~~

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Up to 25% off

826771-071 Armstrong Rep 426771-071 Pkgd Assy-Brg Frame M Grs

$2,063.62 USD ~~$2,766.14~~

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Heating Cooling Parts

2023 W Fullerton Ave

Chicago, IL 60647

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©2026 HeatingCoolingParts dba of Midwest Appliance Parts Co. Inc
This site is not affiliated with or endorsed by any of the original manufacturers listed.
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This product must be installed by a qualified/licensed contractor and set up with properly calibrated combustion test equipment. Failure to comply with this could result in substantial property damage, severe personal injury or death.

I acknowledge this product must be installed by a qualified licensed contractor

Oversize and Heavy Item Shipping Fee

The item you are purchasing is either packaged in a very large box or is very heavy. These items tend to require special shipping and handling.

Here's how it works:

Order the new part from our website and pay for this shipping fee.

For large items such as washer tubs, and baskets, we may use a freight company to deliver the item to you. We will contact you with more information on such orders especially to schedule a delivery with the freight company. Very rarely do we ship these items with UPS or Fedex because they have size limitations on what the drivers can carry. Please pay close attention to your tracking # provided at the time of shipping.

For HEAVY items such as compressors and motors, we may use a freight company to deliver the item to you. We will contact you with more information on such orders especially to schedule a delivery with the freight company. Very rarely do we ship these items with UPS or Fedex because they have weight limitations on what the drivers can carry. Please pay close attention to your tracking # provided at the time of shipping.

If you have any questions please reach our parts specialists at 773-278-1300.

Find The Right Part. Right Now!
Heating Cooling Parts

Refundable Deposit (Core Refund) Information

The item you are purchasing has a deposit due at checkout. This is completely refundable when you return your “core” or “old part” back to us.

Here's how it works:

Order the new part from our website.
Print out your order confirmation along with our Core Return Form located on our website. Please include both with your core return. Download Core Fee Return Form
Mail the item back to our Chicago branch at this address: Heating Cooling Parts 2023 W Fullerton Ave Chicago IL 60647.
We will refund your credit card for the amount shown on your original invoice.

If you have any questions please reach our parts specialists at 773-278-1300.

Find The Right Part. Right Now!
Heating Cooling Parts