Model # N186 Official Nautilus fan-forced wall heater

Here are the diagrams and repair parts for Official Nautilus N186 fan-forced wall heater, 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 36 parts |

#14

Replacement parts diagram

Space heater heating element

Part #99270725

$23.87 |

17% OFF Phone Price : $28.87

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Replacement parts diagram

Furnace blower fan motor

Part #99080248

$24.49

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Replacement parts diagram

Blower wheel

Part #99020130

$11.75

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#10

Replacement parts diagram

Thrml ovr ld

Part #99030194

$25.71

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#24

Replacement parts diagram

Furnace vent grille screw

Part #99150528

This item is not returnable

$2.16

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#23

Replacement parts diagram

Grille

Part #98006970

$53.19

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Replacement parts diagram

Nut

Part #93260454

This item is not returnable

$6.66

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#20

Replacement parts diagram

Wire

Part #97008678

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$2.16

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#14A

Replacement parts diagram

Space heater element

Part #99270742

$41.34

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#19

Replacement parts diagram

Wire

Part #97008677

This item is not returnable

$2.29

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Symptoms for gas walk-behind mowers

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Why does my lawn mower run rough?

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

Why does my lawn mower cut unevenly?

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

Why does my lawn mower vibrate a lot?

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

Why won't my lawn mower start?

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

Why does my lawn mower stall?

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

Why won't my lawn mower move?

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

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.

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How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty

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Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty

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When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty

Time required

45 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.

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Model # N186 Official Nautilus fan-forced wall heater

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas walk-behind mowers

Why does my lawn mower run rough?

Why does my lawn mower cut unevenly?

Why does my lawn mower vibrate a lot?

Why won't my lawn mower start?

Why does my lawn mower stall?

Why won't my lawn mower move?

Repair guides for gas walk-behind mowers

How to replace a lawn mower spark plug

How to replace a lawn mower blade

How to replace a lawn mower flywheel key on a flathead engine

Articles and videos for gas walk-behind mowers

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

How to remove a lawn mower blade using a removal tool

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

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