Whirlpool WDT9705AHV0 Not Draining – What Part Fixes This Problem?
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Understanding the Problem
If your Whirlpool dishwasher model WDT9705AHV0 finishes or stops mid-cycle with standing water in the tub, the unit is failing to drain properly. Dishwashers drain using a sump, a drain pump/motor, a check valve, and a drain hose leading to the household drain or garbage disposal. A failure in any of these components — or a clog in the filter, hose, air gap, or disposal — will leave water in the tub. Diagnosing standing water requires isolating whether the issue is a simple blockage (filter debris, food, or mineral buildup) or a failed part (drain pump motor, check valve, air gap). Some failures are obvious: a humming pump that doesn't move water usually indicates a seized impeller or electrical failure. Other times the pump never energizes because of a defective control board, faulty wiring, or a tripped thermal fuse.
Common Symptoms
Standing water in the tub after a wash, water backing up from the air gap, gurgling noises, error codes related to draining (varies by console), persistent odor from stagnant water.
Common Causes
- Clogged filter, sump chamber, or spray arm debris restricting water flow
- Clogged or kinked drain hose, or blocked garbage disposal connection
- Faulty drain pump motor or damaged pump impeller
- Blocked or failed check valve or air gap
- Wiring fault or failed control board not powering the drain pump
Popular Parts That Fix This Problem
These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at ProsourceParts.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
Run a drain cycle and listen carefully: a working pump will hum and you should hear water being pushed through the drain hose. If you hear the motor hum but water doesn't move, the pump impeller or check valve is likely bad. If you hear nothing, check for power to the pump with a multimeter and inspect the drain hose and garbage disposal for clogs before replacing parts.
Frequently Asked Questions
Can I fix a non-draining dishwasher myself?
Yes, many non-draining issues are simple DIY fixes: clear the filter and sump of debris, inspect and clear the drain hose, and check the garbage disposal connection. If the pump hums but doesn't move water or shows no power, replacing the drain pump or checking electrical connections may be required. Always disconnect power before accessing electrical components and consult the service manual if you're unsure.
How much does it cost to replace the drain pump on a Whirlpool WDT9705AHV0?
Parts alone for a drain pump typically range from $35 to $120 depending on source (aftermarket vs OEM). Labor at a repair shop can add $100–$250 depending on your area. If you're comfortable working on appliances and have tools, many owners can replace a pump themselves and save labor costs. Verify the correct part number for your exact model/serial before purchase.
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Whether your dishwasher won't drain, your dryer stopped heating, or your fridge isn't cold, we've created simple repair guides for the most common appliance problems homeowners face. Each guide explains what's going wrong, the most likely causes, and which replacement parts fix the issue. When you're ready to order, we link directly to ProsourceParts.com where you can search by model number and get the right part shipped fast.