Sears
Wall Heater

Model # 629776821 Official Sears top-vent gas-fired wall furnace

Here are the diagrams and repair parts for Official Sears 629776821 top-vent gas-fired wall 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 106 parts  |

Junciton Box 12B05
#13

Cabinet and body assembly diagram

Junciton box

Part #12B05

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

Liner Assembly 11B46
#2A

Cabinet and body assembly diagram

Liner assembly

Part #11B46

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

Furnace Blower Fan Wheel P014300
#28B

Cabinet and body assembly diagram

Furnace blower fan wheel

Part #P014300

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

Bottom Front Panel 12B49
#4

Cabinet and body assembly diagram

Bottom front panel

Part #12B49

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

Furnace Transformer P024200
Furnace transformer

Part #P024200

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

Fan Shroud 12B03-1
#6

Cabinet and body assembly diagram

Fan shroud

Part #12B03-1

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

Casing Assembly 12C10
#1

Cabinet and body assembly diagram

Casing assembly

Part #12C10

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

Fan Blade P300500
#17

Cabinet and body assembly diagram

Fan blade

Part #P300500

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

Drft Hd Assy 12B12
#8

Cabinet and body assembly diagram

Drft hd assy

Part #12B12

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

Furnace Burner Flame Sensor P271100
Furnace burner flame sensor

Part #P271100

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

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

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

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

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 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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

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

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

Repair difficulty
Time required
 30 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.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…