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Whirlpool Washer Drain Hose Replacement - Signs & How-To

4 min read
⚡ Quick Answer

Kinked, clogged, or damaged drain hoses cause washers to not drain or leave standing water. Replacing the hose restores proper water discharge.

Difficulty Intermediate (DIY)
Est. time 15-60 min
Tools Multimeter , nut driver, screwdrivers

Whirlpool Washer Drain Hose Replacement — What This Part Does

The drain hose routes water from the washer pump to your household standpipe or laundry sink. During the drain cycle, the pump pushes water through the hose and out of the machine. Whirlpool washers require the drainpipe or standpipe to be 30 inches minimum and 96 inches maximum height. If the drainpipe exceeds 96 inches, the washer may not pump water out adequately and water can flow back into the tub.

The hose fails when it becomes kinked (restricting flow), clogged with lint, coins, socks, or other debris, physically damaged or collapsed, or installed incorrectly. Improper hose routing, a missing or poorly secured drain hose form (the U-bend clip), and loose connections also create drainage problems. On front-load models, the pump filter or internal drain hose can clog and mimic an external hose blockage.

Jump to Replacement Steps

Signs It Needs Replacing

How to Replace It

  1. Unplug the washer from the wall outlet and turn off both hot and cold water supply valves behind the machine.
  2. Pull the washer away from the wall to access the rear panel and drain hose connections.
  3. Locate your model and serial number on the plate (usually inside the door frame or on the rear panel) to identify the correct replacement drain hose part number for your washer.
  4. Inspect the existing drain hose for kinks, clogs, and proper routing. Verify the standpipe height is between 30 and 96 inches. Straighten any kinks and check for blockages before replacing.
  5. If the hose is clogged, disconnect it from the pump outlet and the standpipe, then flush it with water or use a plumbing snake to clear debris. On front-load models, first check and clean the pump filter and internal drain hose.
  6. If the hose is damaged, collapsed, or cannot be cleared, loosen the clamp at the pump outlet (usually a spring clamp or screw clamp) and slide the old hose off the pump fitting.
  7. Remove the drain hose form (U-bend clip) if present, then pull the hose free from the standpipe or laundry sink.
  8. Install the new drain hose by sliding it onto the pump outlet and securing it with the clamp. Attach the drain hose form and route the hose to the standpipe, keeping the end 30 to 96 inches above the floor with no sharp bends.
  9. Push the washer back into position, restore power and water, then run a drain and spin cycle to test for proper drainage and check both hose connections for leaks.

The Part You Need

PartNotes
Whirlpool washer drain hoseAmazon | Part number varies by model (examples: W10221546 for top-load, WPW10267642 for some front-load internal hoses). Find your exact part number on the model/serial plate inside the door or on the rear panel, then match it at an appliance parts supplier.

If this part is failing you may also see one of these codes:

When to Call a Pro

If you’ve cleared the hose and verified proper standpipe height but the washer still won’t drain, the drain pump itself may be failed or the pump filter and internal hoses may be blocked. Front-load washers with internal drain hose clogs or pump access behind a sealed panel are more involved. Call a technician if you’re not comfortable working around the pump assembly, if the washer shows electrical fault codes along with the drain problem, or if you find water leaking from internal connections that require cabinet disassembly to reach.


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