Friedrich
Heating & Cooling Combined Unit

Model #PE12R3RA Official Friedrich packaged terminal air conditioner & heat pump

Here are the diagrams and repair parts for Friedrich PE12R3RA packaged terminal air conditioner & heat pump, as well as links to manuals and error code tables, if available.

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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.

Owner’s manual

    Showing 10 of 84 parts

    Motor Mount#28A

    Air handler Diagram

    Motor mount

    Part #25014400

    The manufacturer no longer makes this part, and there's no substitute part

    Scroll

    #(NI)

    All parts Diagram

    Scroll

    Part #25014305

    The manufacturer no longer makes this part, and there's no substitute part

    Relay

    #(NI)

    All parts Diagram

    Relay

    Part #21053004

    The manufacturer no longer makes this part, and there's no substitute part

    Coil Condenser#10A

    Unit assembly Diagram

    Coil condenser

    Part #25014801

    The manufacturer no longer makes this part, and there's no substitute part

    Check Valve#14

    Unit assembly Diagram

    Check valve

    Part #25056100

    The manufacturer no longer makes this part, and there's no substitute part

    Holder/ T-#42

    Control box assembly Diagram

    Holder/ t-

    Part #61900500

    The manufacturer no longer makes this part, and there's no substitute part

    Transformer

    #(NI)

    All parts Diagram

    Transformer

    Part #21056899

    The manufacturer no longer makes this part, and there's no substitute part

    Rocker Switch#50

    Control box assembly Diagram

    Rocker switch

    Part #25001900

    The manufacturer no longer makes this part, and there's no substitute part

    Thermostat

    #(NI)

    All parts Diagram

    Thermostat

    Part #60603900

    The manufacturer no longer makes this part, and there's no substitute part

    Door Latch

    #(NI)

    All parts Diagram

    Door latch

    Part #25015900

    The manufacturer no longer makes this part, and there's no substitute part

    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.

    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

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

    February 22, 2022

    Can a furnace be repaired?

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    Learn about furnace repairs and how much they cost.