Thermal Zone
Heating & Cooling Combined Unit

Model # PA24M-1S Official Thermal Zone 12 seer single-package air conditioner

Here are the diagrams and repair parts for Official Thermal Zone PA24M-1S 12 seer single-package air conditioner, 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 41 parts  |

Fan Motor 621720
#2

12 seer single package ac diagram

Fan motor

Part #621720

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

Fan Blade 667279
#4

12 seer single package ac diagram

Fan blade

Part #667279

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

Transformer 621708
#31

12 seer single package ac diagram

Transformer

Part #621708

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

Cap 621434
#33

12 seer single package ac diagram

Cap

Part #621434

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

Blower Foot 262970
#20

12 seer single package ac diagram

Blower foot

Part #262970

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

Indoor Coil D03622
#19

12 seer single package ac diagram

Indoor coil

Part #D03622

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

Blower Panel Assembly D03521Z
#26

12 seer single package ac diagram

Blower panel assembly

Part #D03521Z

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

Blower Box Cover D03340
#23

12 seer single package ac diagram

Blower box cover

Part #D03340

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

Blower Transition  Box D03350
#24

12 seer single package ac diagram

Blower transition box

Part #D03350

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

Rear Panel Assembly D03462Z
#25

12 seer single package ac diagram

Rear panel assembly

Part #D03462Z

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

Most common symptoms to help you fix your heating & cooling combined units

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

Thermostat problem, clogged air filter, burner failure…

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

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 fail…

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Most common repair guides to help fix your heating & cooling combined units

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

How to unclog the air conditioner drain line

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 d…

Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

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 sta…

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

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

Effective articles & videos to help repair your heating & cooling combined units

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

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…