Beckett
Furnace

Model # AFII150 Official Beckett furnace burner

Here are the diagrams and repair parts for Official Beckett AFII150 furnace burner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 29 parts  |

Fitting 3666
#18

Unit parts diagram

Fitting

Part #3666

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

Flange Gasket 31658
#10

Unit parts diagram

Flange gasket

Part #31658

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

Stop Screw: Replacement Kit 51483
#7

Unit parts diagram

Stop screw: replacement kit

Part #51483

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

Head Insulator For Fb 0,3,4,6, Heads Only 31883
#11

Unit parts diagram

Head insulator for fb 0,3,4,6, heads only

Part #31883

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

Clip 31582
#12

Unit parts diagram

Clip

Part #31582

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

Coupling: Motor To Pump 21437
#3

Unit parts diagram

Coupling: motor to pump

Part #21437

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

Air Tube Screws 4352
Air tube screws

Part #4352

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

Electrode 51484U
#4

Unit parts diagram

Electrode

Part #51484U

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

Main Housing Assembly: Af11 85 51584
#19

Unit parts diagram

Main housing assembly: af11 85

Part #51584

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

Plug-hole 2139
#15

Unit parts diagram

Plug-hole

Part #2139

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

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…