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ICP
Heating & Cooling Combined Unit

Model # NG4P018A3A1 Official ICP package gas/electric combination unit

Here are the diagrams and repair parts for Official ICP NG4P018A3A1 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 92 parts  |
Module 1005651
#9

Control box diagram

Module

Part #1005651

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

Control Fan 1065188
#8

Control box diagram

Control fan

Part #1065188

Replaced by #7070

?
Manufacturer substitution
This part replaces 1065188. Substitute parts can look different from the original.
$86.18 | 
7% OFF Phone Price : $92.18
In Stock
Shield Burne 1054449
#8

Non-functional replacement diagram

Shield burne

Part #1054449

$351.75
In Stock
Gasket Restr 1065216
#13

Functional replacement diagram

Gasket restr

Part #1065216

This item is not returnable
$2.16
In Stock
Mtr Blr / / 1065281
#2

Blower diagram

Mtr blr / /

Part #1065281

$605.72
In Stock
Support Flue 1054511
#12

Non-functional replacement diagram

Support flue

Part #1054511

$202.76
In Stock
Board Termin 612254
#4

Control box diagram

Board termin

Part #612254

$20.06
In Stock
Extension Bl 1054461
#14

Non-functional replacement diagram

Extension bl

Part #1054461

$158.46
In Stock
Furnace Fan Control Relay 1000742
#7

Control box diagram

Furnace fan control relay

Part #1000742

$35.62 | 
14% OFF Phone Price : $41.62
In Stock
Gasket Coll 1065209
#2

Functional replacement diagram

Gasket coll

Part #1065209

$24.76 | 
20% OFF Phone Price : $30.76
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

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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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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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