Model # N155 Official Nautilus ceiling heater

Here are the diagrams and repair parts for Official Nautilus N155 ceiling heater, 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

ALL PARTS

Showing 10 of 14 parts |

Replacement parts diagram

Bushing

Part #99400035

Replaced by #S99400035

This item is not returnable

$6.66

In Stock

Qty

Replacement parts diagram

Thrm lnk asy

Part #97008906

Replaced by #S97008906

$30.51

In Stock

Qty

#12

Replacement parts diagram

Grille

Part #98007045

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

Replacement parts diagram

Ceiling pan

Part #97008768

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

#13

Replacement parts diagram

Screw

Part #99150535

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

Replacement parts diagram

Mnting strap

Part #98006960

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

Replacement parts diagram

Element

Part #97008672

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

Replacement parts diagram

Screw

Part #99150527

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

Replacement parts diagram

Wire

Part #97009460

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

Replacement parts diagram

Motor nut

Part #99260428

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty

Time required

15 minutes or less

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty

Time required

60 minutes or less

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair difficulty

Time required

15 minutes or less

Articles and videos for gas ranges

Model # N155 Official Nautilus ceiling heater

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Why won't my range's gas burner spark or ignite?

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace a range spark igniter switch

How to replace a gas range oven control board

Articles and videos for gas ranges

How to clean and maintain your stove

Oven won't heat: troubleshooting gas range problems video

How to clean grates and burners on a gas cooktop video

Parts & More

Stay Connected

Quick links

Let us help you

More resources