Whirlpool 3978909 installation instructions Before you start, Venting, Gas

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Before you start:

Tools needed:

Venting

WARNING: For your safety the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury or death.

— Do not store or use gasoline,

or other flammable vapors and

liquids in the vicinity of this or any

8" or 10" pipe wrench

8" or 10" adjustable wrench (for gas connections)

flat-blade screwdriver

adjustable wrench that opens to 1" or 1" hex- head socket wrench (for adjusting dryer feet)

level

safety glasses

pipe-joint compound resistant to L.P. gas

caulking gun and compound (for installing new exhaust vent)

gloves

pliers

putty knife

tin snips (new vent installations)

Vent

WARNING

Fire Hazard

other appliance.

— WHAT TO DO IF YOU SMELL GAS:

• Do not try to light any appliance.

• Do not touch any electrical switch;

Do not use any phone in your

building.

• Clear the room, building or area of

all occupants.

• Immediately call your gas supplier

from a neighbor’s phone. Follow gas

supplier’s instructions.

• If you cannot reach your gas

supplier, call the fire department.

— Installation and service must be

done by a qualified installer, service

agency or the gas supplier.

Check that you have everything necessary for correct installation. Proper installation is your responsibility.

Part No. 3978909

© 2000 Whirlpool Corporation

Parts supplied:

Remove parts package from dryer drum. Check that all 4 legs were included.

4 leveling legs

Parts needed:

Check local codes and with gas supplier, and read electrical, gas and venting requirements before purchasing parts.

Gas

Gas supply line must have:

1/8" NPT plugged tapping.

Shutoff valve within 6 feet of appliance is required. Rigid gas supply line must be:

1/2" IPS pipe used with a combination of pipe fittings.

Connection to dryer:

New, flexible metal tubing design-certified by AGA or CSA.

3/8" flare x 3/8" NPT female.

Optional connection to dryer:

Gas supply line tubing must be:

Lengths under 20 feet can use 3/8" approved tubing (if codes and gas supplier permit).

Lengths over 20 feet should use larger tubing.

L.P. Gas Conversion:

Conversion must be made by a qualified technician. A qualified service technician is someone experienced and trained in servicing gas equipment and familiar with necessary precautions. See gas valve burner base for gas conversion kit part number.*

Benton Harbor, Michigan 49022

Use a heavy metal vent. Do not use a plastic vent. Do not use a metal foil vent.

Failure to do so can result in death or fire.

Four-inch heavy metal exhaust vent and clamps must be used. Dura Safe™ vent products are recommended.

Dura Safe vent products can be purchased from your dealer or by calling Whirlpool Parts & Accessories

1-800-442-9991, Mon-Fri: 8am to 9pm (CST), Sat: 9am to 4:30pm (CST). Visit our internet site at http://www.whirlpoolappliances.com/accessories

See Panel E for more information.

Exhaust hood

Do Not use exhaust hoods with magnetic latches.

PreferredAcceptable

 

4"

 

4"

 

 

 

 

 

 

 

2-1/2"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mobile home installations require:

Mobile Home Installation Kit, Part Number 346764*

Metal exhaust system hardware*

Floors sloped greater than 1 inch:

Require Extended Dryer Feet Kit, Part No. 279810*

*Available for purchase from your dealer.

Printed in U.S.A.

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Contents Instructions Your safety and the safety of others are very importantHave questions about your dryer? Moving dryer to a new location?Recessed area/closet installation Dryer location DimensionsProduct dimensions Exhaust dimensionsGas supply Requirements Electrical RequirementsMobile home installation requirements Plan the exhaust vent installationExhaust Requirements Level dryer Install vent SystemNew installation Prepare dryerFor more information, or to easily place your order, call To have your venting Professionally installed CallFor the nearest Authorized service Provider Exhaust dryerVenting Before you startGas

3978909 specifications

The Whirlpool 3978909 is a highly acclaimed dryer heating element designed specifically for several models of Whirlpool dryers. This essential component plays a crucial role in drying clothes efficiently and effectively, ensuring users can enjoy optimal performance from their laundry appliances.

One of the main features of the Whirlpool 3978909 is its compatibility with a wide range of dryer models. This versatility makes it an ideal choice for homeowners looking to replace the heating element in older units or those experiencing heating issues in newer machines. The element is engineered to provide consistent heat output, which is pivotal for achieving the best drying results.

In terms of technology, the Whirlpool 3978909 utilizes high-quality materials designed to withstand high temperatures and extended use. This durability ensures that the heating element can last for many cycles without the need for frequent replacement. It is built to deliver efficient heating, reducing energy consumption while effectively drying clothes. The element heats up quickly, allowing for shorter drying times and improved appliance efficiency, which is a significant benefit for users looking to save time and energy costs.

The 3978909 model is also designed with user-friendliness in mind. Installation is straightforward, making it accessible even for those with limited DIY experience. The element typically comes with all necessary connectors and specifications for an easy replacement process, which can usually be done in under one hour.

Another characteristic that sets the Whirlpool 3978909 apart is its commitment to safety. The heating element is designed with various safety features to prevent overheating and other potential hazards, providing peace of mind for users. It operates quietly and efficiently, minimizing noise during operation while maximizing performance.

In summary, the Whirlpool 3978909 dryer heating element is a reliable and efficient component that enhances the drying capabilities of Whirlpool dryers. With its compatibility, durable design, user-friendly installation, and focus on safety, this heating element is an excellent investment for anyone looking to maintain their laundry appliances in peak condition. Whether replacing an old element or upgrading for better performance, the Whirlpool 3978909 stands out as a top choice among dryer heating solutions.