The 3385556 Whirlpool Drain Hose is a flexible, reinforced fluid-conveyanceâ component designed to route â˘wastewater from an âappliance to the building drain â˘or air gap. as aâ dedicated drain hose, it provides a sealed, pressure-⤠and âŁtemperature-resistant pathway âbetween the appliance’s drain outlet and â¤the household plumbing âconnectionand is typically âspecified by â¤part ânumber for compatibility âwith â¤certain Whirlpool models.
Inside âthe âŁappliance drainage system the drain hose links the drain pump and tub to the⣠external disposal path, âand it interfaces with components such as the drain pump outlet,â clamps and fittings, the air â˘gap (where present)and the home’s⤠standpipe or sink drain.It’s geometry,internal diameter,material properties and routing affect flow⣠characteristics,pump loading and âŁsusceptibility to kinking or clogging,so correct selection and installation âŁare important for reliable drainage and to prevent leaks,backflow or pump overwork.
In this article readers⢠will find a⤠technical overview of the 3385556 Whirlpool Drain Hose covering function and typical installation locations, compatibility factors (length, inner âdiameter, end â˘fittings and material), common failure symptoms (leaks, restricted flow, wash-cycle error codes, âunusual pump ânoise), diagnostic and âŁtroubleshooting checks to isolate hose-relatedâ issuesand practical replacement considerations such as correct routing, securing methods, clamp selection and verifying fitment with OEM specifications or âacceptable equivalents.
Table of Contents
- Function and Role ofâ the⣠Drain Hose in⣠Wastewater Evacuation and Pump Integration
- How the 3385556 whirlpool Drain Hose Works Inside the Appliance: Flow Path, Sealsand Pump Interface
- Common Failure Symptoms and Diagnostic Indicators: Leaks, Blockagesand Structural Degradation
- Replacement âConsiderations, Model Compatibilityand Installationâ Best Practices
- Q&A
- The Way Forward
Function and Role of the Drain Hose in Wastewater Evacuation andâ Pumpâ Integration
The 3385556 Whirlpool Drain Hose functions as the fluid conduit between an appliance’s â¤discharge pump and â˘the household drain â˘or standpipe. It must provide an unobstructed âpath for wastewater âwhile â¤resisting collapse, kinkingand abrasion; typical construction is reinforcedâ flexible PVC or rubber with a smooth bore to reduce turbulence and sediment trapping. In pump-assisted systems the hose is exposedâ to intermittent pressure pulses âŁfrom the pumpand in gravity-drain installations it must âmaintain an adequately pitched âroute to prevent standing water and backflow. Proper integration requires matching the âhose âto the pump outlet diameter and coupling type, using a secure âclamp or speedy-connectâ toâ prevent leakage âand â¤to avoid creating restrictive bends that increase backpressure on the pump.
- Inner diameter: must matchâ pump discharge to preserve flow and prevent cavitation.
- Material: reinforced PVC or⢠rubber⤠for chemical resistanceâ andâ adaptability.
- Flow behavior: pump head and hose length/diameter determine achievable âflow rate and maximum lift.
- Installation concerns: clamps, âfittings, air gaps or check valves to prevent siphoning and backflow.
Compatibility and practical maintenance focus â˘on mechanical interfaces and âsystem hydraulics: âŁverify coupling type (hose barb, barb with clampor quick-connect), measure the nominal diameterand confirm the length and routing avoid excessive elevation gain orâ sharp bends. Common failure modes include leakage at hose clamps, partial blockages from lint or solids that increase âŁpump amperageand hose collapseâ from improper clamps or age-related material degradation; these can be diagnosed by visual âinspection, flow â˘testingand measuring pump current under âload. Forâ technicians, ensure replacement using⣠the correct⣠part âŁspecification and support the hoseâ to prevent fatigue at the âŁpump outlet; for appliance owners, periodically⤠check clamps⢠and clear visible obstructions to maintain reliable evacuation of wastewater.
| Item | Description |
|---|---|
| Material | Reinforced PVC/rubber for flexibilityâ and abrasion resistance |
| Inner diameter | Match pump discharge (common sizes: 19-25 â¤mm / 3/4″-1″) |
| Typical length | 1-2 meters stock;â trim to minimize bends and elevation |
| Compatible appliances | Washing machines, dishwashersand âutility pumps with matching⤠fittings |
How the 3385556 Whirlpool â˘Drain Hose Works Inside the Appliance: Flow âPath, Sealsand Pump âInterface
Theâ 3385556 Whirlpool⢠Drain Hose routes wastewater from the tub outlet to the drain pump and⤠onward toâ the household drain, forming the primary â˘low-pressure channel âŁin â¤the appliance’s discharge â¤system. Internally the hose is sized to match the pump outletâ and is intended to preserve a â¤consistent bore and gentle bend âradius to minimize⤠flow ârestriction and reduce the risk of partial backflow. At the pump interface the hose typically seatsâ over a pump spud or mates to a molded connector and is secured with â¤a clamp orâ compression fitting; a proper seal is â¤achieved by compressing the hose over the spud so that the clamping force preventsâ leakageâ withoutâ deformingâ the hose bore. â¤Compatibility â˘depends âŁon matching the connector type and â¤internal diameter to the pump outlet-replacing with a hose that has a different spud⢠profile or much smaller bore can increase pump load, reduce drainage efficiencyor lead⤠to leaks.
- Flow path: tub âŁâ pump inlet â pumpâ â hose â household drain; âŁmaintain smooth routing to â˘avoid sharp bends.
- Seals: clamped-over spud⣠or molded connector; inspect clamps and hose ends⢠for abrasion or compression set.
- Common issues: kinks, pinholes, clogged lint or debrisand loose clamps affecting drainage and causing â¤leaks.
- Installation tip: maintain a high loop / âair gap to⤠prevent âsiphoning and ensureâ proper venting of the drain line.
For service and troubleshooting, âvisually inspectâ the hose for soft spots, longitudinal cracksor perforations and verify the clampâ seating at the pump interface; removing the hose âfrom the pump spud allows inspection â˘for shredded material or trapped debris at the hose inlet. When replacing the hose, confirm thatâ the replacementâ matches the original connector style and inner diameter so the pump impellerâ sees the same â¤hydraulic conditions-mismatched dimensions can change backpressure and increase the likelihood of clogging. During a⤠functional test, run âa short drain cycle while â˘observing the⢠hose connection for weeping and check that the hose path maintainsâ the high loop to the waste connection; if âdrainage âŁremains slow after replacing the⣠hose, inspect the pump impeller and inlet screen for obstructions before assuming the hose is the sole cause.
| item | Description |
|---|---|
| Material | Flexible, abrasion-resistant rubber or reinforced polymer designed for wastewater âand elevated⢠wash temperatures |
| Connection | Clamped-over pump spud or molded⤠quick-connect-match connector profile⣠andâ clamp size |
| Typical symptoms | Slow drainage, intermittent⤠leaks at clamp, âvisible cracks or pinholes,â and siphoning if routing âlacks a âhigh loop |
Common Failure Symptoms â¤and Diagnostic âŁIndicators: Leaks, Blockagesand Structural Degradation
The 3385556 Whirlpool Drain Hose functions as the primary discharge conduit between the âwasher’s pump assembly and the household drain; its internal diameter, wall stiffnessand connection fittings determine flow rate and back-pressureâ characteristics.â Failures âare typically mechanicalâ (cracks,⣠splits, â¤or crushed sections), material degradation â˘(inner delamination or hardening from chemical exposure)or connection faults (loose clamps, corroded or âŁmismated fittings). Compatibility is determined by hose âŁlength,bend geometry,and âthe âŁconnector style used at the pump and drain-verify âthe part number against machine service literature⢠to confirm proper orientation and diameter before installation. Examples of operational consequences include slow draining caused⣠byâ partial collapse or internal debris,intermittent leaks at the hose-to-pump⤠junction from worn clamps,and pressure spikes that can⣠force wastewater past â¤seals when the hose is obstructed.
- Visible water at fittings or along hose length âŁ- cracked hose or loose clamp
- Slow drainage or standing water – internal blockage, collapse, âor kinking
- Gurgling or backflow odors – partial obstruction or improper hose routing
- Pulsing leaks synchronized⢠with pump operation – hose rupture or failed attachment
| Item | Description |
|---|---|
| Clamps and fittings | Loose or corroded â¤clamps cause⢠point leaks; use correct clamp âtype and torque. |
| Wall integrity | Soft⣠spots, bulgesorâ splits indicate material failure and need replacement. |
Diagnostic steps focus on isolating the hose asâ the failure point: visually inspect fullâ hose length and detach theâ outlet to run a flow test into aâ bucket to quantify âŁdischarge âvolume and reveal â˘intermittent leaks or restrictions. Use a flashlight or borescope to check for âŁinternal debris or delamination; ifâ flow rate is reduced, check for kinks,â obstructions at theâ pump âoutlet,⣠and the presence of a check valve or air gap that may be malfunctioning. Measure pump current during load cycles-elevatedâ amp draw can indicate â˘the pump working against a blocked orâ collapsed hose. Replace â¤the hose âwhen⣠you find permanent structural damage, persistent flow restriction after cleaningor mismatched connectors; ensure replacement matches required inner diameter and bend profile âto âavoid ârecurring failures.
Replacement Considerations, Model Compatibilityand Installation Best Practices
The 3385556 Whirlpool Drain Hose is an OEM replacement component that conveys wastewater from the appliance pump to the household drain. Functionally, âthe hose must match the pump outlet diameter, maintain internal clearance under operating temperatures, resist kinkingand provide a secure, leak-free connection at both the pump and the standpipe or tailpiece. â˘Compatibility is determined by four measurable parameters: inner diameter, overall length, connector style (barbed, flanged,â or molded)and the hose â¤material’s⤠temperature/chemical resistance. âŁA physically mismatched hose can â˘restrict flow, â¤increase pump load,â or allow backflow; therefore âtechnicians⣠shoudl verify these dimensions against the appliance service manual before⢠installation.
For replacement and installation, inspect mating fittings and replace corroded clamps orâ deteriorated gaskets,⢠using stainless worm-gear or appropriate spring clamps⤠sized to the hose profile.Route the hose with a continuous downward gradient and a high loop or air gap âasâ required by local plumbing codes to prevent siphoning; avoid sharp bends and compression where the hose passesâ through cabinet openings. After securing âŁclamps, run a complete cycle to check for leaksâ and verify the pump does not cavitateâ or run unusually â˘hot-if either symptom⤠appears, re-check hose diameter and seating. Typical practical checks include confirmingâ clamp torqueâ is snug but not over-tightened, ensuring âno abrasion⢠points along the â˘routeand⢠replacing the âhose if âits wall shows deformation or internal âdelamination.
- verify model/part number and measure inner diameter and length before ordering.
- Replace clamps and gaskets during â˘hose replacement to ensure a reliable âseal.
- Route with a high loop/air gap and avoid kinks to maintainâ proper drainage.
- Perform a leak and performance âcheck after installation (full cycle).
| Item | Description |
|---|---|
| Material | Flexible EPDMâ or â˘reinforced ârubber ratedâ for hot water and detergent exposure |
| Connector â¤type | Barbed or molded end matching pump outlet profile; mismatched fittings reduce flow |
| Common failure modes | Cracking, delamination, â˘clamp corrosion, kinks causing ârestricted flow |
Q&A
What isâ part⢠3385556 for Whirlpool?
Part 3385556 is an OEM Whirlpool drain hose replacement identified by â˘that part number. It is intendedâ to replace a worn or damaged drain hose on compatible Whirlpool appliances. To confirm exactly which models it fits, check the appliance’s parts diagram or a Whirlpool⣠parts lookup using your appliance model and serial number.
How do I â¤verify that 3385556⢠is compatible â¤with my washer or dishwasher?
Verify⢠compatibility by⤠looking up your appliance modelâ number on â¤the Whirlpool parts website or âin the parts diagram that came with the appliance. you can alsoâ compare the existing hose: match â˘connection types (pump outlet and â˘standpipe/air-gap fittings), overall lengthand hose diameter. If you’re unsure, âŁprovide the appliance model number to a Whirlpool parts⢠dealer or authorized service technician before ordering.
What tools and materials do âŁI need to replace part 3385556?
Typical tools: screwdriver or nut driver (for hose clamps), pliers⣠(for spring clamps), â¤and possibly a socket⢠set âif panels need removal. Materials: the âŁreplacement â˘hose (3385556) and new hose⣠clampsâ (recommended).Have towels or aâ shallow pan ready to catch âresidual⣠water and, âif applicable,â the appliance manual⤠for removal instructions.
How do I properlyâ install the 3385556 drain hose?
Turn⢠off and unplug the⤠appliance and shut off waterâ (if applicable). Remove⤠panels as needed to access the pump outlet. Loosen or remove âthe clamp on âthe old hose, slide the hose off the pump outlet and remove it. Install the new hose⢠onto the â¤pump outlet ensuring it seats fully on the barb or fitting, then secure with a proper clamp tightened snugly (not over-torqued). Route the hose following the original path: avoid sharp bends or kinksand secure it with clips⤠or ties â¤so itâ cannot vibrate loose. For dishwashers, ensure a high loop or air-gap per local code.Run a short drain test to check for leaks.
Why is â˘the 3385556 hose leaking after installation?
common causes: (1)â hose not⤠fully seated over the pump barb, âŁ(2)⢠clamp not tight or⣠wrong clamp type, (3) hose cut, pinchedorâ crackedor (4) damaged pump outlet fitting. Turn off power before inspecting. Tighten or replace âŁtheâ clamp, reseat the hoseand inspect both hose ends and fittings âfor damage. If the hose or pump outlet is damaged, âŁreplace â¤the hose â¤and/or repair the pump outlet⢠as âŁneeded.
Can⤠I use âa global drain hose rather of part 3385556?
Yes, you can frequently enough use a universal drain hose if it matches the required inside diameter, lengthand connection style for your appliance and the hose material is rated for appliance use â(temperature and⢠pressure).⣠However, OEM hoses are cut and shaped for âspecific modelsand using a universal hose may require additional clamps or adapters.Always match dimensions and follow â¤local plumbing codesâ (air gap/high loop requirements for dishwashers).
How â¤do I clear a clog in â˘a drain hose like 3385556?
First unplug the⣠appliance and place towels or a pan to catch water. Remove the hose from the pump and the standpipe/air gap. inspect and remove⢠any visible blockages by handâ or with a soft flexible brush (avoid metal tools that could damage the hose). âFlush the hose with water to âŁclear residue. If the clog is near âthe pump, check the pumpâ inlet and trap for debris. reinstall the hose âand test.If the hose is repeatedly clogging, inspect for pump failure or⤠routing issues causing backflow.
Where can I buy âpart 3385556 and should I⢠expect it to include clamps or fittings?
You can buy part 3385556 from âŁWhirlpool parts dealers, authorized service centers, online appliance parts retailersand âsome major retailers. Product listings should âstate whether clamps are⣠included; many OEM hoses are sold as the hose only, so plan to purchase new clamps â(worm-gear orâ spring clamps as specified) if they are not listed. Check return policies and confirm the part number and⣠compatibility before purchase.
The Wayâ Forward
The 3385556 Whirlpool drain hose⢠serves a simple but âcritical role in household appliance operation by reliably conveying wastewater⤠away from the appliance and into theâ household drain system.Asâ an OEM component, it contributes to⣠proper â¤drainage, helps prevent backups and leaks,⤠and supports overallâ appliance performance and⣠longevity. Because the âhose is âŁexposed âŁto â¤constant moisture,temperature variation and⢠occasional obstructions,its âintegrity is a key factor in avoiding water damage,odors and service interruptions.
Accurate diagnosis â˘and timely replacement are essential⣠to maintaining⢠a safe, effective drainâ system. Inspecting the hose for cracks, kinks, clogs, loose connections or improper routing helps distinguish âŁhose issues from pump, valve or drain-line âproblems; when inspection indicates hose deterioration or failure, replacing it with the correct part (such as the 3385556) âand following recommended installation and safety steps will minimize â˘recurring issues. Whetherâ performed by a qualifiedâ technician or a knowledgeable homeowner, careful diagnosis and appropriate replacement â˘reduce repair costsâ and protect the appliance and the surrounding home surroundings.
Professional Appliance Service
If your appliance requires professional diagnosis or repair, visit
Revolff Home Services
for expert appliance repair services.
For local appliance service information see
Dryer repair Henderson
.
Replacement parts for many appliance models can also be found at
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