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Cozy
Furnace

Model # 86B50A Official Cozy floor furnace

Here are the diagrams and repair parts for Official Cozy 86B50A 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

Valve 74315
#26

Furnace body diagram

Valve

Part #74315

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

Orifice N 74407
#39AC

Furnace body diagram

Orifice n

Part #74407

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

Cotter Pin 74203
#8

Furnace body diagram

Cotter pin

Part #74203

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

Manifold 74413
#38A

Furnace body diagram

Manifold

Part #74413

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

Casing 24402
#4B

Furnace body diagram

Casing

Part #24402

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

Cap Chain 24050
#9

Furnace body diagram

Cap chain

Part #24050

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

Burner 74402
#29B

Furnace body diagram

Burner

Part #74402

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

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

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

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

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Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

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Repair difficulty
Time required
 45 minutes or less

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How to get your furnace ready for winter

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