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Sears
Furnace

Model # 867766260 Official Sears horizontal gas furnace

Here are the diagrams and repair parts for Official Sears 867766260 horizontal gas 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 52 parts  |
Furnace Blower Fan Wheel 611795
#2

Functional replacement parts diagram

Furnace blower fan wheel

Part #611795

$168.16
In Stock
Switch 638099
#11

Functional replacement parts diagram

Switch

Part #638099

Replaced by #607900

?
Manufacturer substitution
This part replaces 638099. Substitute parts can look different from the original.
$26.43 | 
19% OFF Phone Price : $32.43
In Stock
L Gas Valve 1003755
#7A

Functional replacement parts diagram

L gas valve

Part #1003755

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1003755. Substitute parts can look different from the original.
$277.97 | 
$12.00 OFF Phone Price : $289.97
In Stock
Fan Relay 92840
#12

Functional replacement parts diagram

Fan relay

Part #92840

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

Thermocouple 100242
#8

Functional replacement parts diagram

Thermocouple

Part #100242

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 100242. Substitute parts can look different from the original.
This item is not returnable
$14.52 | 
12% OFF Phone Price : $16.52
Back Order
Transformer 638010
#13

Functional replacement parts diagram

Transformer

Part #638010

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

N Gas Valve 1003754
#7

Functional replacement parts diagram

N gas valve

Part #1003754

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 1003754. Substitute parts can look different from the original.
$277.97 | 
$12.00 OFF Phone Price : $289.97
In Stock
Orifice Nat 503211

#NI

All parts diagram

Orifice nat

Part #503211

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

Burner 638013
#9

Functional replacement parts diagram

Burner

Part #638013

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

Heat Exchanger 1150182
#17

Functional replacement parts diagram

Heat exchanger

Part #1150182

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

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