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Kenmore
Furnace

Model # 86773366 Official Kenmore gas-fired forced air dual wall furnace

Here are the diagrams and repair parts for Official Kenmore 86773366 gas-fired forced air dual wall 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 98 parts  |
Thermocouple 503076
#37

Furnace assembly diagram

Thermocouple

Part #503076

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

Switch 502171
#22

Furnace assembly diagram

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 503520
#15

Furnace assembly diagram

Thermostat

Part #503520

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

Pilot Tubing 87740
#38

Furnace assembly diagram

Pilot tubing

Part #87740

Replaced by #100108370

?
Manufacturer substitution
This part replaces 87740. Substitute parts can look different from the original.
$36.67
In Stock
Connector 20357
#45

Furnace assembly diagram

Connector

Part #20357

Replaced by #STD375005

?
Manufacturer substitution
This part replaces 20357. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Gas Valve 502613
#31A

Furnace assembly diagram

Gas valve

Part #502613

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

Gas Valve 502612
#31C

Furnace assembly diagram

Gas valve

Part #502612

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

Transformer 67473
#43

Furnace assembly diagram

Transformer

Part #67473

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

Pilot Burner 503675
#40A

Furnace assembly diagram

Pilot burner

Part #503675

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

Lp Gas Burner 503676
#40B

Furnace assembly diagram

Lp gas burner

Part #503676

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

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

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

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

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

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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.…

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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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