ICP
Heating & Cooling Combined Unit

Model # NPGAA18C1K3 Official ICP heating & cooling unit

Here are the diagrams and repair parts for Official ICP NPGAA18C1K3 heating & cooling unit, 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 82 parts  |

Furnace Pilot Igniter And Sensor (replaces B14010-11s, Q3400a1040) 1009524
#19

Functional replacement parts diagram

Furnace pilot igniter and sensor (replaces b14010-11s, q3400a1040)

Part #1009524

$166.19
7% OFF Phone Price : $178.19
In Stock
Cont Fan Tmr 1009837
#7

Control box diagram

Cont fan tmr

Part #1009837

Replaced by #1170063

?
Manufacturer substitution
This part replaces 1009837. Substitute parts can look different from the original.
$220.46
5% OFF Phone Price : $232.46
In Stock
Furnace Burner (replaces 1012383, 1149463) 1008724
#10

Functional replacement parts diagram

Furnace burner (replaces 1012383, 1149463)

Part #1008724

$84.88
7% OFF Phone Price : $90.88
In Stock
Furnace Flue Collector Box 1065256
#3

Functional replacement parts diagram

Furnace flue collector box

Part #1065256

$111.37
10% OFF Phone Price : $123.37
In Stock
Tubing 64930
#23

Functional replacement parts diagram

Tubing

Part #64930

In Stock
Gasket Coll 1065209
#2

Functional replacement parts diagram

Gasket coll

Part #1065209

$24.76
20% OFF Phone Price : $30.76
In Stock
Drain Tube 1069172
#24

Functional replacement parts diagram

Drain tube

Part #1069172

In Stock
Orifice Fan 1065724
#3

Non-functional replacement parts diagram

Orifice fan

Part #1065724

In Stock
Furnace Vent Motor Gasket 607014
#4

Functional replacement parts diagram

Furnace vent motor gasket

Part #607014

This item is not returnable
In Stock
Mtr Blr / / 1065281
#2

Blower diagram

Mtr blr / /

Part #1065281

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.

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...

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

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...

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

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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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....