ICP
Furnace

Model # NNCU050AF01 Official ICP condensing gas furnace

Here are the diagrams and repair parts for Official ICP NNCU050AF01 condensing gas furnace, 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 88 parts  |

Capacitor 706338
#12

Functional replacement parts diagram

Capacitor

Part #706338

Replaced by #12907

?
Manufacturer substitution
This part replaces 706338. Substitute parts can look different from the original.
This item is not returnable
$4.87
17% OFF Phone Price : $5.87
In Stock
Module 1005651
#4

Functional replacement parts diagram

Module

Part #1005651

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

Capacitor 602974
#6

Functional replacement parts diagram

Capacitor

Part #602974

Replaced by #12005

?
Manufacturer substitution
This part replaces 602974. Substitute parts can look different from the original.
$16.49
11% OFF Phone Price : $18.49
In Stock
Furnace Fan Control Relay 1000742
#14

Functional replacement parts diagram

Furnace fan control relay

Part #1000742

$35.62
14% OFF Phone Price : $41.62
In Stock
Control Elec 1005229
#3

Functional replacement parts diagram

Control elec

Part #1005229

Replaced by #7070

?
Manufacturer substitution
This part replaces 1005229. Substitute parts can look different from the original.
$86.18
7% OFF Phone Price : $92.18
In Stock
Furnace Blower Fan Wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, H600587) 600587
#9

Functional replacement parts diagram

Furnace blower fan wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, h600587)

Part #600587

$130.20
8% OFF Phone Price : $142.20
In Stock
Dpdt Relay 96467
#15

Functional replacement parts diagram

Dpdt relay

Part #96467

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

Board Termin 612254
#17

Functional replacement parts diagram

Board termin

Part #612254

In Stock
Cross Lighte 612443
#26

Functional replacement parts diagram

Cross lighte

Part #612443

$57.53
9% OFF Phone Price : $63.53
In Stock
Trap Vent 1008251
#42

Functional replacement parts diagram

Trap vent

Part #1008251

In Stock

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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.…