Carrier
Heating & Cooling Combined Unit

Model #38AN009121 Official Carrier heat pump

Here are the diagrams and repair parts for Carrier 38AN009121 heat pump, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 35 parts

    Cpctr Strap#22

    Cabinet parts Diagram

    Cpctr strap

    Part #P281-0025
    In Stock
    $8.53
    Control Panel#20

    Cabinet parts Diagram

    Control panel

    Part #38GA5A2109DOZ
    In Stock
    $21.99
    Crankcase#NI

    Cabinet parts Diagram

    Crankcase

    Part #PHT04CY0060
    In Stock
    $87.49
    Terminal#25

    Cabinet parts Diagram

    Terminal

    Part #PTB00AR028A
    In Stock
    $25.99
    Top Cover#3

    Cabinet parts Diagram

    Top cover

    Part #38GA5A50160OZ
    In Stock
    $85.99
    Cap Tube#NI

    Cabinet parts Diagram

    Cap tube

    Part #38GB5A33030
    In Stock
    $13.99
    Srv Valve#NI

    Cabinet parts Diagram

    Srv valve

    Part #PVV08BR007A
    In Stock
    $64.99
    Basepan#4

    Cabinet parts Diagram

    Basepan

    Part #38GA5A50040OZ
    In Stock
    $150.49
    Overload#NI

    Cabinet parts Diagram

    Overload

    Part #HN68GP147
    In Stock
    $43.28
    Drier#NI

    Cabinet parts Diagram

    Drier

    Part #38GA5A3010B
    In Stock
    $15.02

    Symptoms common to all heating & cooling combined units

    Choose a symptom to see related heating and air conditioning system repairs.

    Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor
    Thermostat problem, clogged air filter, burner failure
    Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch
    Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor
    Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.
    Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring failures.

    Repair guides common to all heating & cooling combined units

    These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

    March 16, 2022
    By Lyle Weischwill
    How to unclog the air conditioner drain line

    The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start dripping below the inside air conditioner unit. Follow the steps in this guide to unclog the drain pipe.

    Repair difficulty
    Time required
     15 minutes or less
    March 16, 2022
    By Lyle Weischwill
    How to replace the furnace flame sensor

    The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only stay on for a few seconds.

    Repair difficulty
    Time required
     15 minutes or less
    How to replace a heating and air conditioning system thermostat

    The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.

    Repair difficulty
    Time required
     30 minutes or less

    Articles and videos common to all heating & cooling combined units

    Use the advice and tips in these articles and videos to get the most out of your HVAC system.

    January 5, 2023

    Should I replace my gas furnace with an electric heat pump?

    By Lyle Weischwill

    Learn the reasons why you should consider replacing a gas furnace with an electric heat pump.

    August 30, 2022

    How to enjoy all the online benefits we offer on our Sears PartsDirect website

    By Lyle Weischwill

    Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

    August 5, 2022

    Introducing new technical repair content that we’re developing for the Sears Technical Institute

    By Lyle Weischwill

    Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.