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Emerson
Central Air Conditioner

Model # 18HT42 Official Emerson air conditioner

Here are the diagrams and repair parts for Official Emerson 18HT42 air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 66 parts  |
Capacitor 160500710138
#22

Blower diagram

Capacitor

Part #160500710138

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

Plate, Blower Housing 111705320001
#7

Blower diagram

Plate, blower housing

Part #111705320001

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

Filter Clip 112120510001
#18

Refrigerant assembly diagram

Filter clip

Part #112120510001

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

Evap Asm S 111706260002
#17

Refrigerant assembly diagram

Evap asm s

Part #111706260002

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

Strainer 886000220006
#20

Refrigerant assembly diagram

Strainer

Part #886000220006

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

Nameplate 881605470001
#4

Exterior diagram

Nameplate

Part #881605470001

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

Palnut 882000230005
#6

Refrigerant assembly diagram

Palnut

Part #882000230005

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

Thermostat 50110041N001
#16

Blower diagram

Thermostat

Part #50110041N001

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

Sleeve 16060071023
#9

Refrigerant assembly diagram

Sleeve

Part #16060071023

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

Drip Tray 111704310001
#14

Refrigerant assembly diagram

Drip tray

Part #111704310001

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…

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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…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

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.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

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…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

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…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

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