WR49X10173 GE Refrigerator ā¢Dispenser Water ā£TUBEā Heater Kit is ā¢a āheater assembly intended to prevent ice formation in the water delivery tube of compatible GE ā¤refrigerator dispenser systems. The kit is a small electrical heating component thatā mounts along or around āthe water tube and typically includes the heatingā£ element,ā attachment hardware,ā and a wiringā interface for integration with the appliance harness āand controls.
Inside the appliance, theā heater kit’sā£ role is ā£to maintain the ā¤dispense water line ā¤above freezing temperature so water can flow reliably from the reservoir through theā door and dispenser. It interfaces with the water inlet and dispense plumbing, the door cavity or freezer door where theā¤ tube runsand the refrigerator’sā¢ electrical āsystem or control āboardā that supplies power or switching.By keeping the tube freeā£ of ice, the heaterā reduces stress on the water valve ā¢andā¤ dispenser mechanism, prevents intermittent or no-water conditions at the dispenserandā¢ limits the risk of pressure-related leaks or valve cyclingā¢ causedā¢ by blockages.
In this article you will find āa technical overview of the part’s function and typical installation locations, guidance on verifyingā¢ compatibilityā¤ with specific GE models and part numbers, common failure symptomsā¤ to look forā (such asā restricted flow or visible icing), step-by-step ātroubleshooting methods including visual inspection and basic electrical checks (continuity and presence of supply voltage)and practical replacement considerations and safety ā¤precautionsā to follow during service. The intent is to provide technicians,engineers,andā¢ experienced appliance owners with the diagnostic and procedural contextā needed to assess,test,and replaceā the heater kit ācorrectly.
Table of Contents
- Functionā¤ and Role ā¢of the Dispenser Water-Tube Heater in Refrigerator Water andā£ Ice Delivery
- How theā¤ WR49X10173 GE Refrigerator Dispenser Water TUBE Heater Kit Works Inside āthe Appliance
- Commonā Failure Symptoms and Performance āIndicators of ā¤a Faulty Dispenser Water-Tube Heater
- Replacement Considerations āandā step-by-Step Installation Guidance āfor ātheā WR49X10173 Heater Kit
- Q&A
- Key Takeaways
Function ā¢andā¤ Role ofā the Dispenser Water-Tube heater in Refrigerator Waterā and Ice ā¤Delivery
The WR49X10173 GE refrigerator āDispenser āWater TUBE Heaterā Kit ā¤ is a low-wattage resistive heater ādesigned to prevent the water supplyā¢ tube and dispenserā£ channel ā£from āfreezing or forming ice blockages.ā Installed adjacent to the plastic āor polymer water tube, ā¤the heater delivers ācontrolled heat to maintain the tube ā¤temperature āaboveā the āfreezing pointā£ during cold ambient conditions ā¢or low-use periods.ā£ The ā¢heater itselfā¤ is passive in function: when ā¢energizedā¤ by the ārefrigerator ā¤control circuitry or aā¢ temperature-controlled ā¢relay, itā¢ dissipates heat along the tube surface ā¢to āmaintain flow;ā¢ when de-energized it presentsā as aā£ simple resistive element that can be ā¢checked for continuity āwith a multimeter. Compatibility requires āmatching āthe kit to the refrigerator model and tube diameter so ātheā heater sleeve and mounting ā¤hardware make ā£full thermal contact ā¢without pinching the tube or obstructing flow.
- Prevents ice build-up ā£in ā¤the dispenser/ice feed lines by āheating the tube exterior.
- operates at low wattage and is controlled āby the appliance ācontrol board or a temperature switch.
- Designed to match OEM tube dimensions and mounting points toā ensure proper thermal transfer.
- Can be testedā for open circuit or ā¢intermittent resistanceā¢ as part ofā¢ fault diagnosis.
| Item | Description |
|---|---|
| Function | Maintain tube temperature to prevent freezing and ensure reliable ā£water/ice delivery. |
| Common symptoms ofā failure | No āwater āor slow flow ā¢from dispenser,visible ice in the tube,or intermittent dispensing ā£in cold locations. |
| Installation/compatibility | Requiresā correct kit for model andā¤ tube size; āsecure, full-surface contact and any insulation sleeve must be restoredā£ during replacement. |
For practical service, verify power to the heater circuit with the dispenser enabled āand measure continuity of the element when the unit is unplugged.A ā¤functional heater will show stable low-ohm resistance; an openā circuit indicates a failed element. duringā replacement, ensure the heaterā sleeve is seated āagainst the ā£tube along its ā¢length and routed per the original harness clips to avoid thermal bypass or mechanical strain. In ā¢applications such as ā£unheatedā garages orā seasonalā¢ installations, technicians should also inspect related controls and āinsulation-restoring the original insulating sleeveā or adding thermal ātape improves heater efficiency and reduces duty cycle, which can be observedā as reduced ārun time on the ā¤supplyingā controlā£ board.
How the WR49X10173 āGE Refrigerator Dispenser Water TUBE heater Kit Works Inside the Appliance
The WR49X10173 GE Refrigerator āDispenser Water ā£TUBE Heater Kit is a small resistive heating element assembly designed to maintain ā£the water feed tube ā¢temperature in refrigerators that have a door-mountedā£ dispenser. Installed ā£along the water tube path inside the door ā¢cavity or hinge area,the heater raises ā£theā¢ local temperature just ā£enough to prevent ice formation that ā¤would otherwise block flow.ā In typical practice the element is wired into the dispenser or control harness and is governed ā¤either by the refrigerator’s control logic or by āa āsimple temperature-responsive switch so it only ādraws power when tube temperature approaches freezing; this minimizes energyā use and reduces thermal ā£stressā to fittings and ā¢seals while keeping ā¤the tube clear for reliable dispensing in coldā environments such as unheated garages or āexposed āexterior installations.
- prevents ice plugs in the dispenser water tube by maintaining above-freeze temperature.
- Low-power resistiveā element integrated ā£with mounting hardware for inline installation.
- Interfacesā¢ with ādispenser/control wiring ā£or a temperature-responsive āswitch ā¤for on-demand operation.
- Failure symptoms include ā¤no water delivery, sputtering flowor visible ice in the door cavity.
| Item | Description |
|---|---|
| function | Maintain water tube temperature to preventā£ freezing and preserve water flow |
| Failure symptom | No dispensing, intermittent flow,ā or frozen tube in cold ambient conditions |
Compatibility isā determined by the refrigerator’sā provision for a dispenser heaterā£ harness and theā¢ physicalā¢ routing of the water tube;ā the kit is intendedā¤ for GE āmodels that provide a heater ā£connector or sufficient door ā¤cavity space to secure the elementā¤ against the tube. Technicians should ā¢verify connector type, wire routingand mounting clearance ābefore replacement: measureā continuity of ā¤the heaterā¤ element with a ā£multimeter āand inspect insulation and strain relief to avoid chafingā£ or short circuits. In practical field work, installing the kit ā¢and ensuring theā heater is thermally bonded to the tube (using the supplied clips āor adhesive ā£as specified) reliably resolves freezing problems seenā in refrigerators placed in cold āgarages, seasonalā¢ porchesorā£ during prolonged ālow-temperature operation.
Common ā¤Failureā Symptomsā¤ and Performance ā¤Indicatorsā of a Faulty Dispenser āWater-Tube āHeater
The WR49X10173 GE Refrigerator Dispenser Water TUBEā Heater Kit āis an ā£inlineā heater assembly designed to prevent the dispenser water line from freezing by supplying localized heat ā¢to the waterā¤ tube within the door or cabinet. Functionally, it is aā¢ low-wattageā£ resistiveā elementā¤ thatā is integrated into the refrigerator’s dispenser/defrost controlā circuit; ā¢compatibility depends onā¤ model-specific harness connectors and mounting, so technicians should confirmā¤ the part ā¢number andā connector ā£orientation before installation. Failures most frequently enough present as anā open circuit, short to groundor loss of control voltage from the mainā board rather than gradual degradationā of the heater element, āso ā¢aā£ methodical electrical check of the harness, connector pinsand service harness routingā is necessary when verifying operation.
- Frozen dispenser ā¢outlet or internal ā¢ice formation inside the door-water flow stops or is severely restricted during low ambient temperatures.
- Intermittent flow or slow dispensing-heaterā¤ may be failing intermittently due to a loose connector or marginal contact.
- Visible ā¤frostā¢ or condensation near the tube ā£or heater channel-indicates āinsufficientā£ heat transfer orā¢ misplaced ā£heater element.
- No continuityā¤ or short ā¤to chassis āwhen measured with a multimeter-electrical failure of āthe ā¤element.
- Absence ā£of control voltage ā¢at the heaterā£ connector when the system callsā for heat-control circuit or wiring āfault ratherā than the heater itself.
| Item | Description |
|---|---|
| Continuity | Measureā with a multimeter; expected to show lowāohm continuity.An open ā¢reading ā¢indicatesā¢ a failed āelement. |
| Control Voltage | Check forā presence of specifiedā¢ supply voltage at the ā¤connector āonly when heater āis commanded on by the control board; absence points ā¤to āboardā orā wiring fault. |
| Physical Condition | Inspect for cracked tubing,melted insulation,or displacedā heater tapeā£ that reducesā heatā transfer. |
When ādiagnosing, apply practical examples: test continuity with the harness disconnected and compare readings to the service manual, verify āthat the board outputs the control voltage during a forcedāon heaterā¢ testand replicate āthe failure by running the appliance in theā£ same cold conditionsā (as an exmaple, an unheated garage). āReplace the heaterā¢ kit only after confirming controlāsideā faults are ruled outā and ensure the replacement part is orientedā£ and secured so ā¢the heater maintains contact with the water ātube for efficient thermal transfer.
Replacement ā¢Considerations and Step-by-Step āInstallation Guidance for the WR49X10173ā Heater Kit
The WR49X10173 GE Refrigerator Dispenser āWater TUBE Heater Kit is a lowāwattageā£ resistive heater intended to prevent the water supply tube or dispenser feed line from freezing where itā¤ passes āthrough cold compartments or the door. Inā operationā the heater is bonded or clamped to the plastic water ā¢tube or surrounding shroud soā£ it transfers heat directly to the line; this prevents ice ā£plugs that ā¢cause reduced flow, intermittentā dispensingorā¢ complete stoppage.Confirm ācompatibility withā the ārefrigeratorā model and door configuration before service-the kit interfaces with the appliance wiring harness and mounting points specificā¤ to ā¤select GE refrigerator families, so fitment ā¤and harness connectors āshould be verifiedā against the machine’s partsā diagram or ā¢service āmanual prior to ordering or installation.
- Disconnect power to the refrigerator at āthe breaker to eliminate shock risk.
- Removeā¤ the interior or rear access panel to expose āthe dispenser water ātube and wiringā harness.
- Document orā¢ photograph existing routing and connector positions before disconnecting the old heater or harness.
- Replace the heater by positioning it so it has full āsurface contact with the tube, secure with the ā£supplied clips or tape, ā¤and route ā¢wiring to match original harness ālocation without pinching or sharp bends.
- Reconnect theā¢ harness, restoreā powerand verify continuity of theā¤ heater with a āmultimeter; then operate theā dispenser for several minutes to confirm restored flow ā¢and absence āof freezeāups.
| Item | Description |
|---|---|
| Function | Applies low-level heat to ā¢the dispenser waterā tube to ā¤prevent ā¤ice formation andā maintain flow. |
| Compatibility | Fits selectā¤ GE refrigerators; confirm part WR49X10173 against ā¢model parts list and connector type. |
| Diagnostics | Check for open circuit with an ohmmeter ā¢and inspectā for damaged insulation ā¢or improper mounting that reduces heat transfer. |
During installation, avoid excessiveā£ adhesive or wrapping that could insulate the heater from theā tube-heat transfer requires direct contact. Ifā a dispenser continues to show slow flow afterā installing WR49X10173 GE Refrigerator Dispenser Water TUBE Heater Kit, inspect upstream filters, inletā£ valve performance,ā and water ā¢pressure; in ā£cold-room or garageā£ installations, ā¢consider ā£thermostat or ambientā temperatureā effects on the refrigerator’s defrost and ācontrol systems as secondary causes of freezing.ā Final verification should include a leak check, confirmation of secure harnessā£ routing away from door āhingesand a short operational test ācycle toā¢ ensure the heater prevents reformation āof ā¢ice at the validated mounting location.
Q&A
What isā¢ the WR49X10173 heater kit āand what does it ā£do?
The āWR49X10173 is a GE OEM “dispenser water tube heater” kit designed to ā¢warm the water line that runs through theā£ refrigerator/freezerā¢ door.Its purpose is to prevent the thin plastic water ā¤tube from freezing ā£inside the door during ānormalā¢ operation, which keeps the dispenser and ice āmaker supplying water ā£reliably.
What symptoms indicate the water tube heater has failed?
Commonā£ symptoms are a dispenser that dispenses slowly or not at all,ice forming insideā the door or along the tube,visible frostā£ or ice where the tube runs,intermittent ā£water ā¢flow,and sometimes customers report theā¤ ice maker ānotā£ getting enough water. These point to theā tube freezing because the ā¢heater ā£isā not warming it.
How can I ātest whether the heater ā¤in the kit is working?
First disconnectā£ power before āhandling wiring. Visuallyā¢ inspect theā heater, wiring ā£and connector for damage. Use a multimeter to check continuity across the heaterā leads; an āopen circuit indicates a ā£failedā element. With the refrigerator powered and calling forā¤ the ā¤heater (consult the service manual to no when the heater is ā£energized), youā can carefully measure āvoltage at the heater connector – many door heaters are driven by the appliance’s mains circuit, but exact voltage and ā¤when it is energized ādepend on model. If you are ā¢not familiarā with live-voltage testing, have a qualified technician perform the check.
Is WR49X10173ā¤ compatible withā my GE refrigerator model?
Compatibility is determined byā£ your refrigerator modelā¤ number. Check the model ā£number sticker (usually inside the fresh-food ācompartment or āon the inside āwall) andā look up parts compatibility on GE Parts & Accessories ā£or an authorized āparts distributor. WR49X10173ā isā¢ an OEM part ā¤used on a ārange of GE ārefrigerators, but you should always confirm the fit for your exact model before purchasing.
can I ā¤install the āheater kit myself,and āwhat is involved?
Home installation is possible if you are comfortable removing the door liner and working with ārefrigerator wiring. Typical steps are: disconnect ā¢power and water,remove the inner door panel or dispenserā£ assembly to ā£access the water ā¤tube,routeā£ and attach the heater āto theā¤ water tube using the ā£supplied clips/adhesive,reconnect wiring āandā reassemble. Follow ā£the service manual and safetyā¤ precautionsā£ (power off, avoid pinching wires). If you’re unsure,hire a qualified appliance technician.
Are there temporary fixesā£ if I can’tā replace the heater right away?
Temporary measures include keeping the refrigerator ā£door closed,ā¢ runningā warm waterā¢ down the dispenser to clear a āfrozen sectionorā£ adding insulation aroundā£ the tube to slow freezing. These are short-term workarounds only; the proper ā¢solutionā is āto replace ā¤the faultyā heater kit as repeated freezes can damageā the tube,ā fittingsand dispenser components.
What other parts should I inspect or replace while installing the heater kit?
Inspect the water ā¤tube for cracks, kinks or blockage;ā check the dispenser valve, connectorsand wiringā¢ for damage; āexamine any clipsā or adhesives āthat secure the ā£tube. Ifā£ the tube is damaged ā¢orā¤ the ā¤connector is corroded, replace those parts as well. Also checkā£ door seals āand insulation ā£since poor door sealing can contribute to freezing problems.
Where can Iā¤ buy a WR49X10173 and howā£ much does āit cost?
The kit is available from GE āParts & Accessories, authorized dealersand major appliance āparts retailers online.Prices vary by sellerā£ and region; expect to payā¢ for āanā¤ OEM part ārather than a generic option. If cost is ā£a concern, ā£compare sellers and verify the part number and return policy before purchasing.
Key Takeaways
The WR49X10173 GE Refrigerator Dispenser Water TUBE Heater Kit plays a focused but critically important role in refrigerator performance by ā¢preventing the dispenser andā£ water line from freezing. Byā¢ applying controlled heat to the waterā tube, āthe kit helps maintain consistent water flow toā the dispenser and ice maker, reducing ā¢the risk of blockages thatā can interrupt service andā lead ā¤to additional component stress or āfailure.
Accurate diagnosis and timely replacement are key to realizing theā¤ kit’s benefits. Identifying the correct causeā of symptoms such ā¤as ā£intermittent water flow, āvisible āfrost ā¤onā¤ the ātubing, ā¤or dispenser malfunction āprevents unnecessary parts replacement āand service ā¢costs. When replacement is required, using the correct heater ā£kit and following manufacturer āguidelines-or engaging aā¢ qualified service technician-ensures proper fit, safe installationand reliable operation.
the WR49X10173 heater kit is a practical preventiveā¢ component that supportsā¤ dispenser reliability and applianceā longevity. Properā diagnosis and prompt, correct replacement whenā¢ issues arise helpā¤ maintain performance, minimize downtimeand protect the refrigerator’s overall function in a cost-effectiveā and safeā manner.
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