3385556 Whirlpool Drain Hose is a factory-designated wastewater discharge conduit used on Whirlpool appliances. It is indeed a flexible, low-pressure hose assembly designed to carry effluent from an appliance’s internal drain pump or pump outlet to a household drain, air gap, or disposal. As a mechanical fluid-transfer component, it typically incorporates barbed or molded ends for clamp attachment and is manufactured from chemically resistant elastomeric or thermoplastic materials sized to match the appliance’s pump outlet.
Inside the appliance system the drain hose serves as the final pathway for expelled wash water and interacts directly with the drain pump, any integrated check valve or trap, and external plumbing (air gap, standpipe, or garbage disposal). Proper hose diameter, length, routing and secure clamps are important to prevent backflow, kinking, siphoning, or leakage that can increase pump load or produce fault conditions.Material selection and hose condition also affect resistance to hot water, detergents and mechanical abrasion, so hose integrity is a factor in overall appliance reliability and water-tightness.
In this article readers will find a detailed technical overview of the 3385556 Whirlpool drain Hose including its intended function, how to verify compatibility with specific appliance models, common failure symptoms (leaks, slow drain, odors, unusual pump noise or error codes), practical troubleshooting checkpoints, and key considerations for replacement. Emphasis is placed on matching hose dimensions and fittings, appropriate clamp and routing practices, and inspection/testing steps that a technician, engineer, or appliance owner can use to diagnose and resolve drain-related faults.
Table of Contents
- Function and Role of the Drain Hose in Whirlpool Washer Drain Systems
- How the 3385556 Whirlpool Drain Hose integrates with Pump,Air Gap,and Drain Pathway
- Common Failure Symptoms and Diagnostic Indicators of Drain Hose Blockage,Kinking,or Leakage
- Compatibility,Replacement Considerations,and Step-by-Step Troubleshooting for the 3385556 Whirlpool Drain Hose
- Q&A
- The Way Forward
Function and Role of the Drain Hose in Whirlpool washer Drain Systems
The drain hose functions as the hydraulic link between the washer’s drain pump and the household drain system; the 3385556 Whirlpool Drain Hose is engineered to carry intermittent,high-flow pulses of wastewater while resisting collapse,kinking,and chemical attack from detergents. Its internal diameter and wall stiffness must match the pump’s flow characteristics so that the pump can evacuate tubs in the designed cycle time without excessive backpressure or suction collapse. Proper sealing and clamping at both the pump outlet and the standpipe or sink connection prevent leaks and odor ingress, and routing the hose into a high loop or air gap prevents siphoning and backflow from the home drain into the washer during inactive cycles.
- Primary functions: convey discharge,maintain hydraulic integrity,and prevent backflow
- Behavioral requirements: resist pulsatile flow,avoid kinking,and tolerate temperature and detergent exposure
- Common failure indicators: slow draining,pooling water,audible gurgling,or visible leaks
Compatibility is a matter of connector geometry,effective length,and internal diameter rather than brand name alone; a replacement must match the pump spigot and the installation routing to perform correctly. Technicians should verify that the hose material and clamp style are suitable for the installation, trim to the correct length without creating tight bends, and re-secure the hose with a corrosion-resistant clamp after any maintenance.In practice, a hose that is too long can sag and trap water, while one that is too short can pull on fittings; a kinked or internally crushed hose will lengthen drain times and can overload the pump. When diagnosing drain problems, visually inspect the hose for blockages, soft spots, abrasion at contact points, and proper routing before replacing the pump or electronic controls.
| Item | Description |
|---|---|
| Material | Flexible, detergent-resistant polymer designed to withstand temperature and chemical exposure |
| Function | Conveys wastewater from pump to household drain while preventing leakage and backflow |
| failure modes | Kinking, clogging, abrasion, improper routing causing siphon or trapped water |
How the 3385556 Whirlpool Drain Hose Integrates with Pump, Air Gap, and Drain Pathway
The 3385556 Whirlpool Drain Hose functions as the flexible link between the dishwasher pump discharge and the household drain system, routing pressurized effluent away from the appliance while accommodating pump pulsation and chassis vibration. It must match the pump outlet diameter and sealing method (barbed fitting with clamp or fast-connect) on the Whirlpool unit to maintain a leak-free connection; an incorrect internal diameter or incompatible end fitting can reduce flow or allow leakage under the pump’s intermittent pressure spikes. The hose also needs sufficient material stiffness and wall thickness to resist collapse under vacuum during pump off-cycles and to tolerate the maximum continuous water temperature produced by the dishwasher pump.
Integration with the drain pathway requires attention to routing and interfaces: the hose either connects directly to a disposer or standpipe, or runs to an in-line air gap device where local code requires one. The air gap provides an atmospheric break to prevent backflow into the dishwasher; when present, the pump outlet-to-air-gap hose and the air-gap-to-disposal hose must be secured and free of kinks, sharp bends, or sags that collect water. Common practical checks during installation or troubleshooting include verifying clamp torque at the pump and air gap, confirming a high loop or proper air gap height above the sink flood rim, and inspecting for internal obstructions that can restrict flow and cause drainage errors or pump overloading.
- Secure pump connection with correct clamp and matching ID
- Route hose to air gap or high loop above sink rim to prevent siphoning
- Avoid kinks, sharp bends, and reduce unsupported spans to prevent collapse
- Confirm the downstream drain (disposal/standpipe) is not blocked and trap configuration allows free discharge
| Item | Description |
|---|---|
| Connection | Matches Whirlpool pump discharge fitting; use factory-recommended clamp or quick-connect |
| Primary function | Carry pump discharge to air gap or drain while resisting pressure pulses and preventing siphon back |
Common Failure Symptoms and Diagnostic Indicators of drain Hose Blockage, Kinking, or Leakage
The 3385556 Whirlpool Drain Hose is the flexible conduit that conveys wastewater from the washer pump to the building drain. In normal operation the hose maintains an unobstructed internal diameter and a smooth curvature so the pump can deliver designed flow rates; its corrugated or reinforced wall and molded cuffs provide compatibility with the pump outlet and standard hose clamps.When the hose kinks, becomes partially blocked by lint, coins, or fabric debris, or develops a leak at a clamp or abrasion point, the system behavior changes predictably: reduced flow and longer drain times, repeated pump motor strain or thermal trips, and occasionally backflow into the tub. Technicians should evaluate both the hose integrity and the connection interfaces because failures frequently occur at transition points where clamps, fittings, or incorrect routing introduce stress or pinch points.
Diagnosing hose issues combines visual inspection with a few simple functional tests. Visually trace the hose path for sharp bends, creases, punctures, or softened areas; run a drain cycle while observing flow at the termination (use a clear container) to confirm steady discharge. measure pump current under load-an elevated pump current or a humming/no-start pump often indicates increased hydraulic resistance from a blockage or kink rather than an electrical fault. For leaks, check cuff clamps and hose-to-pump seals first; for intermittent slow drains, check for internal obstructions and routing that allows a sag where water pools. Practical examples: a large comforter can compact lint at the hose elbow causing gradual restriction, and a hose rubbed against a metal bracket can develop a hairline crack that leaks only under pressure.
- Slow drain or long cycle times – suggests partial blockage or high-resistance routing.
- Gurgling or intermittent siphoning noises – indicates air entrainment or improper hose elevation.
- Pump hum with no discharge – frequently enough a severe restriction or collapsed hose under load.
- Visible moisture or puddling at joints – usually clamp or cuff failure, abrasion, or a puncture.
- Foul odors from drain area – buildup of organic material inside hose or trapped water in a low spot.
| Item | Description |
|---|---|
| Common material | Corrugated PVC or reinforced rubber designed for flexibility and vibration resistance. |
| Typical failure points | Clamp/cuff interfaces, sharp bends/kinks, abrasion against chassis, and internal debris accumulation. |
Compatibility, Replacement Considerations, and Step-by-Step Troubleshooting for the 3385556 Whirlpool Drain Hose
the 3385556 Whirlpool Drain Hose functions as the final conduit for wastewater expelled by the washer’s drain pump and must match the pump outlet, hose routing, and house plumbing to operate correctly. Performance depends on inner diameter, wall material, connector style, and installed length: a properly sized hose minimizes backpressure on the pump and prevents siphoning or repeated pump cycling, while a hose that is too narrow, kinked, or routed above the recommended high‑point can cause slow drainage or premature pump wear. typical failure modes are abrasion at attachment points, split seams from age or heat, and internal blockage from lint and debris; these issues change the hydraulic behavior and can produce intermittent or sustained drainage faults rather than electrical or control errors.
When replacing or troubleshooting the drain hose, verify physical compatibility first (connector type, ID/OD, and clamp style) and confirm routing meets the appliance’s specified high‑point and maximum length constraints. Use the following practical diagnostic sequence to isolate hose problems from pump or trap issues:
- Visually inspect for cracks, pinholes, and crush points; check clamps and the hose-to-pump connection for corrosion or lose fittings.
- Disconnect the hose and manually flush it with water to confirm flow and locate blockages; feel for internal constrictions with a flexible rod if needed.
- Run a short drain test with the hose disconnected to confirm the pump delivers expected flow rate; low flow indicates pump or electrical fault rather than the hose.
- Reinstall using original connector orientation and secure clamps; ensure the hose has a continuous downward slope to the drain and that the anti‑siphon high‑point is correctly positioned.
| Item | Description |
|---|---|
| Inner diameter | Must match pump outlet to avoid increased backpressure or leakage at the connection. |
| Material | Typically flexible rubber or reinforced thermoplastic; choose a material rated for hot wastewater and detergent exposure. |
| Common failure modes | Abrasion at clamps,splits from age/heat,and lint/debris blockages affecting flow. |
| Connector types | Slip-on with hose clamp, barbed fittings, or machine-specific molded ends-measure before replacement. |
Q&A
What is part 3385556 for Whirlpool appliances?
part 3385556 is an OEM replacement drain/discharge hose sold under the Whirlpool parts system. It is the flexible hose that carries wastewater from the appliance (dishwasher or washer) to a standpipe, sink drain, garbage disposer or household drain. exact fit and request depend on the appliance model-always confirm compatibility with your model number before ordering.
How do I confirm 3385556 is the correct hose for my Whirlpool appliance?
Check the appliance model number (usually on the door frame or back panel) and search that model in Whirlpool’s official parts lookup or an authorized parts dealer. parts diagrams and lists will show whether 3385556 is the recommended replacement.If in doubt, provide the model number to the dealer or technician for confirmation.
What tools and materials do I need to replace the 3385556 drain hose?
Typical tools: flat-head and Phillips screwdrivers, pliers, a nut driver or socket set (for hose clamps), and a bucket/towels to catch water. Materials: the replacement 3385556 hose and new stainless-steel worm-gear hose clamps (recommended). Optionally use work gloves and hose clamps that match the hose diameter-avoid using duct tape or zip ties as a permanent clamp solution.
What are the basic steps to install the 3385556 drain hose safely?
Turn off power to the appliance (unplug or switch off the breaker) and shut off water if applicable. Drain any residual water into a bucket. Remove the access panel(s) to reach the old hose, loosen and remove hose clamps at both ends, note the routing, and detach the old hose from the pump and drain connection. Attach the new 3385556 hose in the same routing, seat it fully on fittings, secure both ends with appropriate clamps, restore panels, reconnect power/water, and run a short cycle to check for leaks. follow the appliance’s service manual for model‑specific instructions.
How should I route the 3385556 hose to prevent siphoning or drainage problems?
Follow the manufacturer’s requirement for a high loop or an air gap. The hose should be routed upward near the cabinet underside to create a high loop,or connected to an air gap device if local code requires it. This prevents backflow and siphoning from the sink or disposal. Also avoid kinks, tight bends or pinching; the hose should be supported and secured so it dose not rub on sharp edges.
What are common signs the 3385556 drain hose needs replacement?
Signs include visible cracks, splits, bulging, hardened or brittle sections, leaks during drain cycles, water pooling under the appliance, slow draining or error codes related to drainage. If the hose is very old, discolored or has internal collapse/obstructions that cannot be cleared, replacement is advised.
Can I shorten, extend, or splice the 3385556 hose if it is too long or too short?
Minor shortening can sometimes be done by trimming the hose squarely and re-clamping, but avoid excessive cuts that reduce length below the required high loop. extending or splicing is not recommended because joints increase leak risk and can restrict flow. If the hose is too short or too long, get the correct-length OEM replacement or a compatible aftermarket hose sized for the appliance and local codes.
Is it acceptable to replace 3385556 with an aftermarket hose?
You can use a compatible aftermarket hose if it matches the OEM dimensions, material ratings (heat and chemical resistance), and connectors, but OEM parts ensure fit and reliability. If using aftermarket, choose hoses rated for appliance use and install with proper stainless-steel worm-gear clamps. Always verify compatibility with your model and follow local plumbing codes (air gap/high loop requirements).
The Way Forward
The 3385556 Whirlpool drain hose serves a vital, though often overlooked, role in appliance operation by channeling wastewater away from the washer or dishwasher and helping to prevent backflow, leaks, and potential water damage. as a component designed to meet specific dimensions and materials for Whirlpool equipment, it contributes directly to drainage efficiency, appliance longevity, and household safety when installed and maintained correctly.
because drainage issues can stem from a range of causes-blockages, kinks, wear, or component failure-accurate diagnosis is important to determine whether the hose itself is the source of the problem. When inspection indicates damage or deterioration, timely replacement with the appropriate part, such as the 3385556, helps restore reliable performance and reduces the risk of secondary damage. For best results and safety, follow manufacturer guidance or consult a qualified service technician to confirm diagnosis and ensure proper installation.
Professional Appliance Service
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