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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.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 195 parts  |
Thermocouple 40098
#51

Cabinet and combustion chamber diagram

Thermocouple

Part #40098

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

Thermocouple 503076
#51

Functional replacement parts diagram

Thermocouple

Part #503076

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

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
Thermostat 503520

#NI

All parts diagram

Thermostat

Part #503520

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.
$119.46
In Stock
Thermostat 504792

#NI

All parts diagram

Thermostat

Part #504792

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

Washer 120392
Washer

Part #120392

Replaced by #STD551025

?
Manufacturer substitution
This part replaces 120392. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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.
$36.67
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

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.
$36.67
In Stock

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Read more

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Read more

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

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Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Read more
Repair difficulty
Time required
 45 minutes or less

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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.…

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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.…

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