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AAON Tech Support: 918-382-6450
Lennox Tech Support: 855-469-6378
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Lennox HVAC: Commercial Heating and Cooling Solutions

In an industry dominated by a handful of names, Lennox HVAC parts offer some of the most reputable original equipment manufacturer (OEM) replacement options. Even the best equipment can falter—whether it’s improperly maintained or has simply suffered a rare malfunction. When this happens, you might struggle to find components for your commercial HVAC clients’ systems. Fortunately, Affiliated Parts can help; listed below are some of our most in-demand Lennox HVAC components.

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Circuit Boards

While they are well-protected, circuit boards can be fragile components of Lennox HVAC systems. As a result, they are occasionally prone to failure. If the thermostat is functioning but is unable to communicate with the motors, burners, or other components, a faulty board could be the problem with your customer’s HVAC unit. We have OEM replacements designed for quick and easy installation.

Find Lennox Circuit Boards on Affiliated Parts  


Motors, which represent some of the larger Lennox HVAC parts that we carry, ensure that the blower and venter fans rotate at peak efficiency whenever they receive instructions from the control board. If they have worn down or experienced another issue, you’ll need to find the right replacement component for your customer’s system.

Find Lennox HVAC Motors on Affiliated Parts

Fan Blades

Fan blades can become clogged and lose their effectiveness. If you need to replace your Lennox HVAC unit’s fan blades, we’re here to help with OEM components that match the tight tolerances of the manufacturer.

Find Lennox HVAC Fan Blades on Affiliated Parts

Blower Wheels

Blower wheels help regulate how much air moves into and out of a furnace system. When an HVAC unit is used continuously, particularly in commercial or industrial operations, these wheels are frequently clogged by debris and other contaminants. If your customer is concerned about reduced efficiency, you might need to replace the blower wheel to ensure the system operates properly.

Find Lennox Blower Wheels on Affiliated Parts

Miscellaneous Parts

While we’ve listed some of our most popular Lennox HVAC parts, we know that there are a variety of components you may need to finish repairs for a client. Whether you need igniters, pilot lights, compressor housings, limits, or any other parts, we’re here to help you get the repair done right.

Find Other Lennox Parts on Affiliated Parts

Your search for OEM replacement parts for commercial HVAC equipment ends at Affiliated Parts. To get a quote, call or text us at 877-928-2787 or email us at parts@affiliatedparts.com.

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  1. 78L41
    78L41 SSW Holding Company 78L4101 Mounting, 4
  2. 47M55
    47M55 Combustion Blower Assembly, 1/20 HP 115v
  3. 99K21
    99K21 Fan 14" Diameter, 1/2" Bore, 3 Blades
  4. 15G19
  5. 16M55
    16M55 LB-100110A ORIFICE
  6. 12P64
    12P64 Molded Plug Harness
  7. 89M85
    89M85 60/7.5 MFD Dual Run Capacitor, 440 VAC
  8. 71W18
    71W18 Alm Mesh Air Filter, 16 in. x 33 in
  9. 56K18
    56K18 18 X 15" 1 7/16"bore BLWR WHL
  10. 29L38
    29L38 LB-68877R DIST ASSY
  11. 49K42
  12. 11G96
    11G96 Blower Assembly, with Impeller, 230V-3Ph
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