Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Janitrol
Furnace

Model # GMN100-4 Official Janitrol gas furnace

Here are the diagrams and repair parts for Official Janitrol GMN100-4 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 62 parts  |
Transformer B11416-00
#34

Heat assembly/electrical diagram

Transformer

Part #B11416-00

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

Hsi Module B18099-08
#40

Heat assembly/electrical diagram

Hsi module

Part #B18099-08

Replaced by #B1809913S

?
Manufacturer substitution
This part replaces B18099-08. Substitute parts can look different from the original.
This item is not returnable
$185.31
| 
6% OFF Phone Price : $197.31
In Stock
Blower Wheel B13680-47
#18

Heat exchanger diagram

Blower wheel

Part #B13680-47

Replaced by #D6723306S

?
Manufacturer substitution
This part replaces B13680-47. Substitute parts can look different from the original.
$119.58
| 
9% OFF Phone Price : $131.58
In Stock
Hot Surface B14010-09S
#4

Heat assembly/electrical diagram

Hot surface

Part #B14010-09S

Replaced by #41-412

?
Manufacturer substitution
This part replaces B14010-09S. Substitute parts can look different from the original.
$49.15
| 
11% OFF Phone Price : $55.15
In Stock
Flue Col Box B28100-06
#25

Heat assembly/electrical diagram

Flue col box

Part #B28100-06

Replaced by #28200-06S

?
Manufacturer substitution
This part replaces B28100-06. Substitute parts can look different from the original.
$198.76
| 
6% OFF Phone Price : $210.76
In Stock
Flame Sensor B11726-06
#5

Heat assembly/electrical diagram

Flame sensor

Part #B11726-06

$16.00
| 
11% OFF Phone Price : $18.00
In Stock
Furnace Blower Shell 25393-03
#15

Heat exchanger diagram

Furnace blower shell

Part #25393-03

Replaced by #0271A00016S

?
Manufacturer substitution
This part replaces 25393-03. Substitute parts can look different from the original.
$120.53
| 
9% OFF Phone Price : $132.53
In Stock
5 Cl, Burner 25135-03
#13

Heat assembly/electrical diagram

5 cl, burner

Part #25135-03

Replaced by #0121F00159

?
Manufacturer substitution
This part replaces 25135-03. Substitute parts can look different from the original.
$68.11
In Stock
Limit B13700-10
#11

Heat assembly/electrical diagram

Limit

Part #B13700-10

Replaced by #1370910S

?
Manufacturer substitution
This part replaces B13700-10. Substitute parts can look different from the original.
$55.18
| 
10% OFF Phone Price : $61.18
In Stock
Capacitor 10 B9456-52
#38

Heat assembly/electrical diagram

Capacitor 10

Part #B9456-52

Replaced by #12908

?
Manufacturer substitution
This part replaces B9456-52. Substitute parts can look different from the original.
This item is not returnable
$5.26
| 
16% OFF Phone Price : $6.26
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...

Read more
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...

Read more
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...

Read more
Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your furnaces

View all
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....

Read more
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....

Read more
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....

Read more

Parts & More