Heating & Cooling

Model # 143840820 Official Kenmore automatic circulator heater

Here are the diagrams and repair parts for Official Kenmore 143840820 automatic circulator heater, as well as links to manuals and error code tables, if available.

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Browse Parts for
143840820 Automatic Circulator Heater
Draft Frame 40075
#3

Replacement parts diagram

Draft frame

Part #40075

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

Damper Pin 17200
#2

Replacement parts diagram

Damper pin

Part #17200

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

Hinge Clip 83833
#6

Cabinet diagram

Hinge clip

Part #83833

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

Ash Pan 67444
#32

Replacement parts diagram

Ash pan

Part #67444

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

Thermostat Knob 89175
#2

Cabinet diagram

Thermostat knob

Part #89175

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

Damper 67687
#23

Replacement parts diagram

Damper

Part #67687

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

Rod 21842
#20

Replacement parts diagram

Rod

Part #21842

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

Retainer Lh 40172
#13

Replacement parts diagram

Retainer lh

Part #40172

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

Firebox 67665
#10

Replacement parts diagram

Firebox

Part #67665

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

Cabinet 67740
#4

Cabinet diagram

Cabinet

Part #67740

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

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

Most common repair guides to help fix your ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

Use the advice and tips in these articles and videos to get the most out of your range.

How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…