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ICP
Heating & Cooling Combined Unit

Model # TWA12K00STC Official ICP packaged terminal air conditioner

Here are the diagrams and repair parts for Official ICP TWA12K00STC packaged terminal air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 53 parts  |
Relay 43205003
#8

Functional diagram

Relay

Part #43205003

Replaced by #90-384

?
Manufacturer substitution
This part replaces 43205003. Substitute parts can look different from the original.
$25.39
In Stock
Relay Defros 1091127
#9

Functional diagram

Relay defros

Part #1091127

Replaced by #90-342

?
Manufacturer substitution
This part replaces 1091127. Substitute parts can look different from the original.
$22.82 | 
21% OFF Phone Price : $28.82
In Stock
Clip 1058518
#18

Functional diagram

Clip

Part #1058518

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

Isolator Bea 1058987
#27

Functional diagram

Isolator bea

Part #1058987

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

Valve Mtr 1060674
#16A

Functional diagram

Valve mtr

Part #1060674

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

Blwr Husing 1058386
#16

Non functional diagram

Blwr husing

Part #1058386

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

Scroll Blwr 1058350
#18

Non functional diagram

Scroll blwr

Part #1058350

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

Cndnst Pump 1058506
#14

Functional diagram

Cndnst pump

Part #1058506

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

Evap Ptac 1059118
#19

Functional diagram

Evap ptac

Part #1059118

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

Cutoff Outdo 1058814
#20

Non functional diagram

Cutoff outdo

Part #1058814

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…

Read more

Why isn’t my air conditioner cooling well?

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

Read more

Why isn’t my air conditioner cooling?

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

Read more

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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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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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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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…

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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.…

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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.

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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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