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Cozy
Furnace

Model # 86B65A Official Cozy floor furnace

Here are the diagrams and repair parts for Official Cozy 86B65A floor 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 70 parts  |
Control 74303
#42

Furnace body diagram

Control

Part #74303

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

Thermostat 86590
#22

Furnace body diagram

Thermostat

Part #86590

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

Thermocouple 74305
#31

Furnace body diagram

Thermocouple

Part #74305

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

Valve 74315
#26

Furnace body diagram

Valve

Part #74315

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

Orifice L 74606
#39BB

Furnace body diagram

Orifice l

Part #74606

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

Lighter Rod 74510
#11

Furnace body diagram

Lighter rod

Part #74510

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

Liner 24701
#2D

Furnace body diagram

Liner

Part #24701

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

Air Adjust 6823
#41B

Furnace body diagram

Air adjust

Part #6823

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

Burner Support 24627
#36C

Furnace body diagram

Burner support

Part #24627

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

Furnace Burner, Right 74404
#28

Furnace body diagram

Furnace burner, right

Part #74404

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

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Read more

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Read more

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

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Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your furnaces

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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.…

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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

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