Thermal Zone
Heating & Cooling Combined Unit

Model #PG030M072-1S Thermal Zone single-package gas pack

Here are the diagrams and repair parts for Thermal Zone PG030M072-1S single-package gas pack, as well as links to manuals and error code tables, if available.

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    Showing 10 of 80 parts

    Fan Motor#22

    Single package gas pack Diagram

    Fan motor

    Part #621721

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

    Control Board#54

    Single package gas pack Diagram

    Control board

    Part #903162

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

    Furnace Electronic Control Board#29

    Single package gas pack Diagram

    Furnace electronic control board

    Part #903106

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

    Blower Wheel#21

    Single package gas pack Diagram

    Blower wheel

    Part #667251

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

    Motor#20

    Single package gas pack Diagram

    Motor

    Part #913357

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

    Fan Blade#23

    Single package gas pack Diagram

    Fan blade

    Part #667278

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

    Flame Contrl#65A

    Single package gas pack Diagram

    Flame contrl

    Part #626417

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

    Time Delay#28

    Single package gas pack Diagram

    Time delay

    Part #621586

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

    Switch#55

    Single package gas pack Diagram

    Switch

    Part #632212

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

    Sensor Rod#63

    Single package gas pack Diagram

    Sensor rod

    Part #632316

    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 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.