Janitrol
Furnace

Model # GDPX120-5B Official Janitrol gas furnace

Here are the diagrams and repair parts for Official Janitrol GDPX120-5B gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 87 parts  |

Transformer B11416-00
#1

Electrical & hardware diagram

Transformer

Part #B11416-00

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

Furnace Air Pressure Switch B13701-33
#3A

Electrical & hardware diagram

Furnace air pressure switch

Part #B13701-33

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

Blower Wheel B13680-00
#3

Blower assemblies diagram

Blower wheel

Part #B13680-00

Replaced by #D6723311S

?
Manufacturer substitution
This part replaces B13680-00. Substitute parts can look different from the original.
In Stock
Limit, 160f, B13700-08
#1A

Heat exchanger assembly diagram

Limit, 160f,

Part #B13700-08

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

Blower Wheel B13680-16
#3A

Blower assemblies diagram

Blower wheel

Part #B13680-16

Replaced by #B1368016S

?
Manufacturer substitution
This part replaces B13680-16. Substitute parts can look different from the original.
In Stock
Motor B13400-09
#2B

Blower assemblies diagram

Motor

Part #B13400-09

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

Limit, 150f, B13700-06
#1

Heat exchanger assembly diagram

Limit, 150f,

Part #B13700-06

Replaced by #1370906S

?
Manufacturer substitution
This part replaces B13700-06. Substitute parts can look different from the original.
In Stock
Power Vent M B18590-00
#5

Electrical & hardware diagram

Power vent m

Part #B18590-00

Replaced by #B1859000

?
Manufacturer substitution
This part replaces B18590-00. Substitute parts can look different from the original.
In Stock
Kit, Serv Ga 12826-07S
#1B

Gas furnace diagram

Kit, serv ga

Part #12826-07S

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

Gas Valve 12826-06S
#1A

Gas furnace diagram

Gas valve

Part #12826-06S

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

Symptoms for band saws

Choose a symptom to see related band saw repairs.

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade…

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension…

Main causes: angle indicator needs adjustment, dull blade…

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide…

Main causes: broken saw blade, bad drive belt, damaged rubber tire…

Main causes: dull blade, using the wrong type of blade, weak drive motor…

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor…

Repair guides for band saws

These step-by-step repair guides will help you safely fix what’s broken on your band saw.

How to replace a band saw on-off switch

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a band saw drive belt

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it.…

Repair difficulty
Time required
 15 minutes or less
How to replace a band saw blade

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your band saw.

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.…