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Kenmore
Furnace

Model # 86776478 Official Kenmore gas-fired sectional furnace

Here are the diagrams and repair parts for Official Kenmore 86776478 gas-fired sectional furnace, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 138 parts  |
Thermocouple 40096
#6

Burner & manifold assembly diagram

Thermocouple

Part #40096

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

Limit Control 69287
#15

Wiring & controls diagram

Limit control

Part #69287

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

Washer 68990
#2A

H-q blower assembly diagram

Washer

Part #68990

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

Tubing Pilot 69455
#2

Burner & manifold assembly diagram

Tubing pilot

Part #69455

Replaced by #9000278

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Manufacturer substitution
This part replaces 69455. Substitute parts can look different from the original.
This item is not returnable
$17.69 | 
10% OFF Phone Price : $19.69
In Stock
Screw 457502
Screw

Part #457502

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

Pilot Burner 81295
#10A

Burner & manifold assembly diagram

Pilot burner

Part #81295

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

Thermostat 9236

#NI

All parts diagram

Thermostat

Part #9236

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

Thermostat 9233

#NI

All parts diagram

Thermostat

Part #9233

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

Twist-on Wire Connector 64383
#9

Wiring & controls diagram

Twist-on wire connector

Part #64383

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

Orifice 46632
#7D

Burner & manifold assembly diagram

Orifice

Part #46632

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

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

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Why is my treadmill's walking belt off center?

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

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Why won't my treadmill start even though the console display works?

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

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Why is my treadmill's heart rate sensor not accurate?

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

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Why does my treadmill have no display?

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

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Why does my treadmill's walking belt slow down?

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

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Why is my treadmill's walking belt slipping?

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

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Repair guides for treadmills

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

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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…

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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…

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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'…

Read more
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.

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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

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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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.…

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