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Friedrich
Heating & Cooling Combined Unit

Model # TEC09K25 Official Friedrich central packaged terminal unit

Here are the diagrams and repair parts for Official Friedrich TEC09K25 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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ALL PARTS
Showing 10 of 104 parts  |
Pump Condenser 25032900
#60A

Control box assembly diagram

Pump condenser

Part #25032900

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

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

Thermostat 21059022

#NI05

All parts diagram

Thermostat

Part #21059022

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

Access Cover 21062325
#32

Air handler diagram

Access cover

Part #21062325

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

Fuse,time 21058448
#74C

Control box assembly diagram

Fuse,time

Part #21058448

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

Thermostat Knob 21058437
#66

Control box assembly diagram

Thermostat knob

Part #21058437

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

Filter 25025600
Filter

Part #25025600

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

Holder,fus 21058444
#74

Control box assembly diagram

Holder,fus

Part #21058444

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

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
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How to replace the furnace flame sensor

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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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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

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

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