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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 111703630007
#5

Blower diagram

Plate

Part #111703630007

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

Overload 160300430073
#2

Refrigerant assembly diagram

Overload

Part #160300430073

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

Nameplate 881605590001
#2

Controls diagram

Nameplate

Part #881605590001

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

Air Conditioner Blower Housing 111705260002
#8

Blower diagram

Air conditioner blower housing

Part #111705260002

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

Start Assist 160602380010
#18

Blower diagram

Start assist

Part #160602380010

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

Carton 131106210322

#NI

All parts diagram

Carton

Part #131106210322

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

Strap, Dual Capacitor 112122670003
#21

Blower diagram

Strap, dual capacitor

Part #112122670003

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

Clip Bracket, Evaporator 111700260001
#11

Refrigerant assembly diagram

Clip bracket, evaporator

Part #111700260001

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

Symptoms for gas ranges

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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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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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.…

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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…

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Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

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Repair difficulty
Time required
 45 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

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

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