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ICP
Heating & Cooling Combined Unit

Model # NPGA042D1KA Official ICP package gas/electric combination unit

Here are the diagrams and repair parts for Official ICP NPGA042D1KA package gas/electric combination unit, 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 107 parts  |
Contactor 1050839
#2

Control box diagram

Contactor

Part #1050839

Replaced by #94-394

?
Manufacturer substitution
This part replaces 1050839. Substitute parts can look different from the original.
$29.95 | 
17% OFF Phone Price : $35.95
In Stock
Furnace Inducer Vent Motor Assembly 1054268
#15

Functional diagram

Furnace inducer vent motor assembly

Part #1054268

$297.67 | 
$12.00 OFF Phone Price : $309.67
In Stock
Valve 1005597
#1

Functional diagram

Valve

Part #1005597

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

Flame Sensor 612921
#4

Functional diagram

Flame sensor

Part #612921

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

Flame Sensor 612922
#4A

Functional diagram

Flame sensor

Part #612922

Replaced by #1149944

?
Manufacturer substitution
This part replaces 612922. Substitute parts can look different from the original.
$118.36 | 
9% OFF Phone Price : $130.36
In Stock
Plate Restri 1054395
#21

Functional diagram

Plate restri

Part #1054395

$121.72
In Stock
Relay V Pdt 1065280
#7

Control box diagram

Relay v pdt

Part #1065280

$104.44
In Stock
Extension Bl 1054461
#17

Non-functional diagram

Extension bl

Part #1054461

$158.46
In Stock
Mtr Blr / / 1065278
#2

Blower diagram

Mtr blr / /

Part #1065278

$625.65
In Stock
Shield Burne 1054422
#8

Non-functional diagram

Shield burne

Part #1054422

$111.34
In Stock

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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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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