Kenmore
Furnace

Model # 86773631 Official Kenmore gas-fired air wall furnaces

Here are the diagrams and repair parts for Official Kenmore 86773631 gas-fired air wall furnaces, 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 195 parts  |

Natural Valve 503504
#47A

Functional replacement parts diagram

Natural valve

Part #503504

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 503504. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Pilot Tube 89029
#48

Functional replacement parts diagram

Pilot tube

Part #89029

Replaced by #100108370

?
Manufacturer substitution
This part replaces 89029. Substitute parts can look different from the original.
In Stock
Thermostat 503520

#NI

All parts diagram

Thermostat

Part #503520

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

Washer 120392
Washer

Part #120392

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

Switch 502171
Switch

Part #502171

Replaced by #505962

?
Manufacturer substitution
This part replaces 502171. Substitute parts can look different from the original.
In Stock
Thermostat 504792

#NI

All parts diagram

Thermostat

Part #504792

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

Thermocouple 503076
#51

Functional replacement parts diagram

Thermocouple

Part #503076

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 503076. Substitute parts can look different from the original.
This item is not returnable
$14.52
12% OFF Phone Price : $16.52
In Stock
Gas Valve 502613
#47B

Functional replacement parts diagram

Gas valve

Part #502613

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

Thermocouple 40098
#51

Cabinet and combustion chamber diagram

Thermocouple

Part #40098

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 40098. Substitute parts can look different from the original.
This item is not returnable
$14.52
12% OFF Phone Price : $16.52
In Stock
Ferrule Nut 29441
Ferrule nut

Part #29441

Replaced by #100108370

?
Manufacturer substitution
This part replaces 29441. Substitute parts can look different from the original.
In Stock

Repair guides for bottom-mount refrigerators

How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

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
How to replace a refrigerator defrost control assembly

How to replace a refrigerator defrost control assembly

Follow these steps to replace the defrost control assembly if your Kenmore or LG French door refrigerator displays an er…

Repair difficulty
Time required
 120 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.…