Furnace

Model # 86776871 Official Kenmore gas-fired horizontal furnace

Here are the diagrams and repair parts for Official Kenmore 86776871 gas-fired horizontal furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for
86776871 Gas-Fired Horizontal Furnace
Thermocouple 92097
#49

Furnace assembly diagram

Thermocouple

Part #92097

Replaced by #H06E-36

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Manufacturer substitution
This part replaces 92097. Substitute parts can look different from the original.
$14.91
12% OFF Phone Price : $16.91
Back Order
Limit Control 93045
#28

Furnace assembly diagram

Limit control

Part #93045

Replaced by #3L05-1

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Manufacturer substitution
This part replaces 93045. Substitute parts can look different from the original.
$35.55
14% OFF Phone Price : $41.55
In Stock
Fan Wheel 72978
#2B

H-q blower assembly diagram

Fan wheel

Part #72978

Replaced by #600587

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Manufacturer substitution
This part replaces 72978. Substitute parts can look different from the original.
$130.20
8% OFF Phone Price : $142.20
In Stock
Burner 89592
#36

Furnace assembly diagram

Burner

Part #89592

Replaced by #610232

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Manufacturer substitution
This part replaces 89592. Substitute parts can look different from the original.
In Stock
Valve 93575
#45B

Furnace assembly diagram

Valve

Part #93575

Replaced by #36C53-418

?
Manufacturer substitution
This part replaces 93575. Substitute parts can look different from the original.
$615.82
$12.00 OFF Phone Price : $627.82
In Stock
Valve 92922
#45A

Furnace assembly diagram

Valve

Part #92922

Replaced by #36C53-418

?
Manufacturer substitution
This part replaces 92922. Substitute parts can look different from the original.
$615.82
$12.00 OFF Phone Price : $627.82
In Stock
Transformer 92891
#72

Furnace assembly diagram

Transformer

Part #92891

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

Excngr Ht 89711
#32B

Furnace assembly diagram

Excngr ht

Part #89711

Replaced by #606632

?
Manufacturer substitution
This part replaces 89711. Substitute parts can look different from the original.
In Stock
F/l Cont 87056
#77

Furnace assembly diagram

F/l cont

Part #87056

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

Pilot Tube 91464
#50

Furnace assembly diagram

Pilot tube

Part #91464

Replaced by #100108370

?
Manufacturer substitution
This part replaces 91464. Substitute parts can look different from the original.
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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 treadmill.

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.…