Carrier
Heating & Cooling Combined Unit

Model #48XT060090300 Carrier package unit

Here are the diagrams and repair parts for Carrier 48XT060090300 package unit, as well as links to manuals and error code tables, if available.

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

    Showing 10 of 146 parts

    Plate#36

    Exchange assy Diagram

    Plate

    Part #50SS500879
    In Stock
    $28.46
    Fitting#148

    Outside view Diagram

    Fitting

    Part #305843-201
    This item is not returnable
    In Stock
    $3.18
    Fan#90

    Front view/rear view Diagram

    Fan

    Part #LA01EA025
    In Stock
    $92.08
    Mtr Mnt Band#86

    Blower assy Diagram

    Mtr mnt band

    Part #P251-0078
    In Stock
    $9.48
    Gas Valve#136

    Burner assy Diagram

    Gas valve

    Part #EF33CW201
    In Stock
    $161.38
    Switch#94

    Switch assy Diagram

    Switch

    Part #331014-707
    In Stock
    $45.78
    Sensor#128

    Burner assy Diagram

    Sensor

    Part #48GS400192
    In Stock
    $7.68
    Support#129

    Burner assy Diagram

    Support

    Part #48GS500020
    In Stock
    $15.18
    Insulation#121

    Exchange assy Diagram

    Insulation

    Part #48GS500110
    In Stock
    $27.52
    Manifold#126

    Burner assy Diagram

    Manifold

    Part #48GS400300
    In Stock
    $172.78

    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 Sears PartsDirect staff
    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 Sears PartsDirect staff
    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.

    February 22, 2022

    Why is my furnace not igniting?

    By Lyle Weischwill

    Find out why the burner on your furnace isn't igniting.

    February 22, 2022

    Can a furnace be repaired?

    By Lyle Weischwill

    Learn about furnace repairs and how much they cost.

    February 23, 2016

    What to check if your air conditioner isn't cooling video

    By Sears PartsDirect staff

    If your central air conditioner isn't cooling as it should, we'll show you how to check for a tripped float switch and clogs in the drain pipe.