Lennox
Wall Heater

Model # G12-82-8 Official Lennox furnace

Here are the diagrams and repair parts for Official Lennox G12-82-8 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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Showing 10 of 47 parts  |

Burner LB-17431CB
#13

Unit diagram

Burner

Part #LB-17431CB

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

Pilot Burner P-8-10191
#14A

Unit diagram

Pilot burner

Part #P-8-10191

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

Limit Control 13H7001
#19A

Unit diagram

Limit control

Part #13H7001

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

Relay Switch P-8-8479
#23

Unit diagram

Relay switch

Part #P-8-8479

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

Burner LB-53471C
#13A

Unit diagram

Burner

Part #LB-53471C

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

Transformer P-8-9490
#22

Unit diagram

Transformer

Part #P-8-9490

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

Orifice LB-3346
#17A

Unit diagram

Orifice

Part #LB-3346

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

Burner P-8-9370
#14

Unit diagram

Burner

Part #P-8-9370

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

Limit Switch 78F1001
#19

Unit diagram

Limit switch

Part #78F1001

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

Housing-blower LB-35620CA
#31A

Blower/motor diagram

Housing-blower

Part #LB-35620CA

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…