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Friedrich
Heating & Cooling Combined Unit

Model # THC09R34 Official Friedrich central packaged terminal unit

Here are the diagrams and repair parts for Official Friedrich THC09R34 central packaged terminal unit, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 104 parts  |
Overload 21058621
#13A

Unit assembly diagram

Overload

Part #21058621

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

Motor,265v 21061129
#45A

Air handler diagram

Motor,265v

Part #21061129

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

Check Valve 21058587
#10C

Unit assembly diagram

Check valve

Part #21058587

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

Limit Switch 21058407
#50

Air handler diagram

Limit switch

Part #21058407

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

Holder,fus 21058447
#74B

Control box assembly diagram

Holder,fus

Part #21058447

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

Coil,solen 21058644
#10E

Unit assembly diagram

Coil,solen

Part #21058644

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

Tray 21058876
#19

Unit assembly diagram

Tray

Part #21058876

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

Overload 21090197
#13

Unit assembly diagram

Overload

Part #21090197

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

Holder,fus 21058446
#74A

Control box assembly diagram

Holder,fus

Part #21058446

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

Line Cord 21058584
#71B

Control box assembly diagram

Line cord

Part #21058584

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.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Why isn’t my air conditioner cooling well?

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

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

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Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

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Why won’t my furnace burners won’t stay lit?

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

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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.

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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…

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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…

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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.…

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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.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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

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