ICP
Furnace

Model # GUJ125N20C1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP GUJ125N20C1 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 61 parts  |

Thermocouple 1010273
#16

Unit parts diagram

Thermocouple

Part #1010273

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

N Gas Valve 1004612
#15

Unit parts diagram

N gas valve

Part #1004612

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1004612. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Fan Tmr Cont 1010031
#7

Unit parts diagram

Fan tmr cont

Part #1010031

Replaced by #1170063

?
Manufacturer substitution
This part replaces 1010031. Substitute parts can look different from the original.
$220.46
5% OFF Phone Price : $232.46
In Stock
Lp Gas Valve 1004613
#15A

Unit parts diagram

Lp gas valve

Part #1004613

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1004613. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Furnace Burner 1008726
#12

Unit parts diagram

Furnace burner

Part #1008726

In Stock
Conv Kit 1160991

#NI

All parts diagram

Conv kit

Part #1160991

In Stock
Clamp Capctr 1095020
#AA

Unit parts diagram

Clamp capctr

Part #1095020

In Stock
Conv Kit 1009510

#NI

All parts diagram

Conv kit

Part #1009510

In Stock
Arcoaire Door Blowe 1010192
#N

Unit parts diagram

Arcoaire door blowe

Part #1010192

In Stock
Filter Rack 741010039
#U

Unit parts diagram

Filter rack

Part #741010039

In Stock

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 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.…