Model # NUGK125DK07 Official ICP condensing upflow gas furnace

Here are the diagrams and repair parts for Official ICP NUGK125DK07 condensing upflow 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

ALL PARTS

Showing 10 of 80 parts |

Functional replacement parts diagram

Module

Part #1005651

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

#13

Functional replacement parts diagram

Capacitor

Part #1006176

Replaced by #12910

$8.37 |

11% OFF Phone Price : $9.37

In Stock

Qty

Functional replacement parts diagram

Control elec

Part #1005229

Replaced by #7070

$86.18 |

7% OFF Phone Price : $92.18

In Stock

Qty

Functional replacement parts diagram

O-ring

Part #1000599

$70.56

In Stock

Qty

Non-functional replacement parts diagram

Adapter

Part #1000471

$65.24

In Stock

Qty

#49

Functional replacement parts diagram

Pipe 2 in

Part #612689

$22.86

In Stock

Qty

Non-functional replacement parts diagram

Clamp

Part #1001327

$8.74

In Stock

Qty

#44

Functional replacement parts diagram

Tee male

Part #612696

$70.69

In Stock

Qty

#43

Functional replacement parts diagram

Union tee

Part #613051

$26.54

In Stock

Qty

#46

Functional replacement parts diagram

Tubing kit

Part #612833

$102.78

In Stock

Qty

Symptoms for electric cooktops

Why doesn't my electric cooktop's surface element heat?

Main causes: broken surface element, surface element switch failure, control system problem, surface element limiter swi…

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty

Time required

15 minutes or less

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

Repair difficulty

Time required

45 minutes or less

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

Repair difficulty

Time required

30 minutes or less

Effective articles & videos to help repair your furnaces

View all

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

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

Top questions about Sears and Sears PartsDirect

Model # NUGK125DK07 Official ICP condensing upflow gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for electric cooktops

Why doesn't my electric cooktop's surface element heat?

Repair guides for electric cooktops

How to replace a coil surface element on an electric cooktop

How to replace a radiant element on an electric cooktop

How to replace the glass top on an electric cooktop

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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

Top questions about Sears and Sears PartsDirect

Parts & More

Stay Connected

Quick links

Let us help you

More resources