Furnace

Model # 867778140 Official Kenmore gas-fired wall furnace

Here are the diagrams and repair parts for Official Kenmore 867778140 gas-fired wall furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for
867778140 Gas-Fired Wall Furnace
Thermostat 90721

#NI

All parts diagram

Thermostat

Part #90721

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

Eco Adapter 508374

#NI

All parts diagram

Eco adapter

Part #508374

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

Pilot Tube 508408
#6

Functional replacement parts diagram

Pilot tube

Part #508408

Replaced by #100108370

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Manufacturer substitution
This part replaces 508408. Substitute parts can look different from the original.
In Stock
Control 607421
Control

Part #607421

Replaced by #3L05-1

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Manufacturer substitution
This part replaces 607421. Substitute parts can look different from the original.
$35.55
14% OFF Phone Price : $41.55
In Stock
Transformer 608237
#35

Functional replacement parts diagram

Transformer

Part #608237

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

Thermocouple 508144
#10

Functional replacement parts diagram

Thermocouple

Part #508144

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 508144. Substitute parts can look different from the original.
$14.91
12% OFF Phone Price : $16.91
In Stock
Pilot Nat 508300
#2A

Functional replacement parts diagram

Pilot nat

Part #508300

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

Support 508057
#20

Functional replacement parts diagram

Support

Part #508057

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

Plate Top 508133
#26

Non-functional replacement parts diagram

Plate top

Part #508133

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

Baffle 508395
#48B

Functional replacement parts diagram

Baffle

Part #508395

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

Symptoms for electric water heaters

Main causes: excessive tank sediment, high voltage supply…

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

Repair difficulty
Time required
 15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your furnaces

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.…

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Top questions about Sears and Sears PartsDirect

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