LG WM3988H series, User'S Manual & Installation Instructions

I N S TA L L AT I O N   I N S T RU C T I O N S

I N S TA L L AT I O N   I N S T RU C T I O N S

CONNECTING THE WATER LINES

CONNECTING THE DRAIN LINE

Insert the end of the drain hose into the floor 

drain. Secure the hose in place to prevent it  

from moving. 

Drain Hose

Floor Drain

Option 3: Floor Drain

Stand 

Pipe

Tie Strap

Clip the end of the hose into the elbow bracket. 

Insert the end of the drain hose into a standpipe. 

Use tie strap to secure the drain hose in place. 

NOTE:

 Total height of the hose end should not 

exceed 96 in. (244.8 cm) from the bottom of the 

washer.

Option 1: Standpipe

Elbow 

Bracket

Drain 

Hose

Clip the end of the hose into the elbow bracket. 

Hang the end of the drain hose over the side of 

the laundry tub. Use tie strap to secure the drain 

hose in place. 

NOTE: 

Total height of the hose end should not 

exceed 96 in. (244.8 cm) from the bottom of the 

washer.

Laundry 

Tub

Option 2: Laundry Tub

Elbow 

Bracket

Tie 

Strap

Drain 

Hose

Insert a rubber seal into the threaded  

fittings on each hose. 

1

Rubber Seal

Water Hose  

(to tap)

Rubber Seal

Water Hose  

(to water inlet  

on washer)

3

Attach the hot water line to the hot water  

tap. Attach the cold water line to the cold 

water tap.

Tighten the fittings securely. Open the water 

taps fully to check for leaks.

Water Tap

NOTE:

 Do not cross-thread the hose fittings. 

Attach the hot water line to the red hot water 

inlet on the back of the washer. Attach the 

cold water line to the blue cold water inlet on 

the back of the washer. Tighten the fittings 

securely.

2

Water 

Inlets

•  

IMPORTANT:

 Use new hoses when installing 

the washer. Do NOT reuse old hoses.

•  

IMPORTANT:

 Use ONLY the inlet hoses 

provided by LG with this laundry product. 

Aftermarket hoses are not guaranteed to fit or 

function correctly. Other hoses may not tighten 

correctly and could cause leaks. Subsequent 

damage to product or property will not be 

covered under the terms of LG's warranty. 

•  Water supply pressure must be between  

14.5 PSI and 116 PSI (100~800 kPa). If the 

water supply pressure is more than 116 PSI,  

a pressure reducing valve must be installed. 

•  Periodically check the hose for cracks, leaks, 

and wear, and replace the hose if necessary.

•  Make sure that the water lines are not stretched, 

pinched, crushed, or kinked. 

•  The washer should never be installed or stored 

in a location subject to freezing temperatures. 

Damage to the water lines and internal 

mechanisms of the washer can result. If the 

washer was exposed to freezing temperatures 

prior to installation, allow it to stand at room 

temperature for several hours before use.

•  The drain hose should always be properly 

secured. Failure to properly secure the drain 

hose can result in flooding and property 

damage.

•  Do not install the end of the drain hose higher 

than 96 in. (244.8 cm) above the bottom of the 

washer.

•  The drain must be installed in accordance with 

any applicable local codes and regulations.

•  Make sure that the water lines are not stretched, 

pinched, crushed, or kinked. 

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