Kenmore
Furnace

Model # 86777387 Official Kenmore gas-fired sectional furnace

Here are the diagrams and repair parts for Official Kenmore 86777387 gas-fired sectional 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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Showing 10 of 168 parts  |

Valve 91469
#1B

Fig.17 burner/manifold assembly diagram

Valve

Part #91469

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 91469. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Valve 86858
#1

Fig.17 burner/manifold assembly diagram

Valve

Part #86858

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 86858. Substitute parts can look different from the original.
$277.97
$12.00 OFF Phone Price : $289.97
In Stock
Wheel Fan 72978
#19

Fig.16 h-q blower assembly diagram

Wheel fan

Part #72978

Replaced by #600587

?
Manufacturer substitution
This part replaces 72978. Substitute parts can look different from the original.
$130.20
8% OFF Phone Price : $142.20
In Stock
Blower Wheel 72400
#19A

Fig.16 h-q blower assembly diagram

Blower wheel

Part #72400

Replaced by #601210

?
Manufacturer substitution
This part replaces 72400. Substitute parts can look different from the original.
In Stock
Capacitor 87964
#14A

Fig.16 h-q blower assembly diagram

Capacitor

Part #87964

Replaced by #12910

?
Manufacturer substitution
This part replaces 87964. Substitute parts can look different from the original.
$8.37
11% OFF Phone Price : $9.37
In Stock
Motor 92407
#7C

Fig.16 h-q blower assembly diagram

Motor

Part #92407

In Stock
Motor 1/4 Hp 84745
#7

Fig.16 h-q blower assembly diagram

Motor 1/4 hp

Part #84745

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

Burner 89592
#3

Fig.17 burner/manifold assembly diagram

Burner

Part #89592

Replaced by #610232

?
Manufacturer substitution
This part replaces 89592. Substitute parts can look different from the original.
Back Order
Tubing 91872
#2A

Fig.17 burner/manifold assembly diagram

Tubing

Part #91872

Replaced by #100108370

?
Manufacturer substitution
This part replaces 91872. Substitute parts can look different from the original.
In Stock
Air Filter 64488
#33

Fig.15 furnace assemblies diagram

Air filter

Part #64488

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

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

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