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ICP
Heating & Cooling Combined Unit

Model # NPGB042F1SA Official ICP heating & cooling unit

Here are the diagrams and repair parts for Official ICP NPGB042F1SA heating & cooling unit, as well as links to manuals and error code tables, if available.

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  • 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”.

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Model diagram and schematic

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Showing 10 of 94 parts  |
Capacitor 1053918
#31

Functional, all models diagram

Capacitor

Part #1053918

Replaced by #PAKTRCF10

?
Manufacturer substitution
This part replaces 1053918. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.87 | 
17% OFF Phone Price : $5.87
In Stock
Furnace Pilot Igniter And Sensor (replaces B14010-11s, Q3400a1040) 1009524
#5

Functional, all models 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

Functional replacemnt,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
Relay Spdt 1058148
#6

Functional replacemnt,control box diagram

Relay spdt

Part #1058148

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

Hood Flue Al 1054621
#10

Non-functional, all models diagram

Hood flue al

Part #1054621

$228.16
In Stock
Switch 1065294
#39

Functional, all models diagram

Switch

Part #1065294

$29.49
In Stock
Retainer Fil 1054517
#23

Functional, all models diagram

Retainer fil

Part #1054517

$110.82
In Stock
Gasket Restr 1065212
#20

Functional, all models diagram

Gasket restr

Part #1065212

$14.71
In Stock
Board Termin 1054627
#4

Functional replacemnt,control box diagram

Board termin

Part #1054627

$289.25
In Stock
Post Cnr P 1068172
#30

Non-functional, all models diagram

Post cnr p

Part #1068172

$161.78
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…

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…

Read more

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…

Read more

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

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

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Top questions about Sears and Sears PartsDirect

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