Model # 867766083 Official Sears horizontal gas furnace

Here are the diagrams and repair parts for Official Sears 867766083 horizontal gas 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 52 parts |

Functional replacement parts diagram

Thermocouple

Part #100242

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

#12

Functional replacement parts diagram

Fan relay

Part #92840

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

#7A

Functional replacement parts diagram

L gas valve

Part #1003755

Replaced by #36C03-333

$277.97

$12.00 OFF Phone Price : $289.97

In Stock

Qty

Functional replacement parts diagram

N gas valve

Part #1003754

Replaced by #36C03-333

$277.97

$12.00 OFF Phone Price : $289.97

In Stock

Qty

Functional replacement parts diagram

Furnace blower fan wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, h600587)

Part #600587

$130.20

8% OFF Phone Price : $142.20

In Stock

Qty

#NI

All parts diagram

Orifice nat

Part #503211

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

#13

Functional replacement parts diagram

Transformer

Part #638010

Replaced by #90-4031F

$10.99

In Stock

Qty

Functional replacement parts diagram

Blower motor

Part #638017

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

#11

Functional replacement parts diagram

Switch

Part #638099

Replaced by #607900

$26.43

19% OFF Phone Price : $32.43

In Stock

Qty

#25

Non-functional replacement parts diagram

Flue box cvr

Part #638118

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 does my treadmill's walking belt slow down?

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

Why is my treadmill's walking belt slipping?

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

Why is my treadmill's walking belt off center?

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

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...

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

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

Why does my treadmill have no display?

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

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...

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

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 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

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the...

Repair difficulty

Time required

30 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

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

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs....

Top questions about Sears and Sears PartsDirect

Model # 867766083 Official Sears horizontal gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for treadmills

Why does my treadmill's walking belt slow down?

Why is my treadmill's walking belt slipping?

Why is my treadmill's walking belt off center?

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

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

Why does my treadmill have no display?

Why won't my treadmill power up?

Repair guides for treadmills

How to replace a treadmill motor controller

How to replace a treadmill drive motor

How to replace a treadmill walking board

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Top questions about Sears and Sears PartsDirect

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