SJI-OMS20 Indestructible Jumbo Metal Base Oscillating Sprinkler Aqua Joe® SJI-OMS20 Oscillating Sprinkler | Product GuideWater your way with Aqua Joe®.The Aqua Joe® SJI-OMS20 Indestructible Jumbo Metal Base Oscillating Sprinkler is built for customizable lawn watering with up to 4,400 sq ftof maximum coverage. It features 20 plastic clog-resistant spray nozzles, a water-powered turbo drive motor, adjustable range control using sliding tabs, a durable metal base, leak-resistant hose connection, and a built-in cleaning pin to help clear nozzle clogs.💧 Adjustable Coverage🌱 Large Yard Watering🧰 Built-In Cleaning PinMeet the SJI-OMS20Key Components🧱Base — metal base designed to keep the sprinkler stable during use💦Spray nozzles — 20 plastic nozzle heads for water flow and dispersal↔️Oscillator tube — moves water side to side across the selected range🔗Hose-end — connects the sprinkler to a standard garden hose🎚️Sliding tabs — adjust the sprinkler’s watering range and pattern🧼Inlet filter — helps catch debris before water enters the sprinkler📍Cleaning pin — removes clogs from the spray nozzlesTechnical SpecificationsSpecificationSJI-OMS20Product TypeOscillating lawn sprinklerBest UseLarge yards and lawn wateringSpray Nozzles20 plastic nozzle headsCoverage Max4,400 sq ft / 409 m²Spray Distance Max70 ft / 21.3 mSpray Width Max63 ft / 19 mMax Pressure150 PSI peak pressure at initial discharge; working pressure under typical load is 60 PSIMax Flow8 GPM / 30 L/minMotorTurbo driveAdjustable Range ControlYesAdjustable Spray PatternYesProduct Dimensions18 in. L x 6.91 in. W x 3.1 in. HNet Weight1.8 lbs / 0.8 kgGross Weight2 lbsWarranty2 Year WarrantyWhat's in the BoxIncluded ItemDetailsAqua Joe® SJI-OMS20 oscillating sprinkler✔20 clog-resistant nozzle heads✔ built into the sprinklerInlet filter✔ located at the hose-endCleaning pin / needle clean-out tool✔ stored on the sprinklerOperator’s manual / quick guide✔Before You Water💧Check the hose first. Make sure the garden hose is securely connected, unkinked, and supplying adequate water pressure before use.⚠️Use within normal watering conditions. The sprinkler’s maximum pressure is 150 PSI at initial discharge, while typical working pressure is 60 PSI.🌱Water wisely. Water only when necessary, preferably in the morning to help minimize water loss through evaporation.❄️Do not allow water to freeze inside the sprinkler. Drain the sprinkler after use and before storage, especially in cold weather.Operation1ConnectAttach garden hose.›2PlaceSet on lawn area.›3AdjustSet sliding tabs.›4WaterTurn on faucet.Connect the sprinkler to the hoseAttach the garden hose securely to the hose-end of the sprinkler.Place the sprinkler on the lawnSet the metal base on a stable, level area with the spray nozzles facing the watering area.Adjust the watering rangeMove the sliding tabs to select the desired position and customize the watering pattern.Turn on the waterOpen the faucet and confirm the sprinkler oscillates and sprays across the selected range.Watch for runoffMonitor the watering area and stop or adjust the sprinkler if water begins running off the lawn.Adjustable Range Control🎚️Use the sliding tabs to control the watering pattern. Adjust the tabs to water the full area, left side, right side, or a narrower center range depending on where coverage is needed.Watering Tips1Water in the morningMorning watering helps minimize water loss through evaporation.2Water deeply but less oftenDeep, less frequent watering helps promote deeper root growth.3Avoid runoffWatch water application and adjust placement or timing if water begins running off the lawn.Maintenance + CareFollow these steps if the sprinkler stops working properly or shows poor water flow due to debris or dirt buildup.Remove and rinse the inlet filterRemove the inlet filter from the hose-end of the oscillator and rinse it under water.Remove the cleaning pinTake the cleaning pin from the opposite end of the oscillator.Flush the sprinklerConnect the oscillator to a spigot. Turn on the faucet and, while water continues running, gently spin the oscillator tube back and forth for a few minutes.Reinstall the inlet filterScrew the inlet filter firmly back into place after flushing.Clear nozzle clogsUse the provided cleaning pin to clear clogs from the spray nozzles.Return the cleaning pinFit the cleaning pin firmly back in place before using the sprinkler again.Storage❄️Drain after use. Do not allow water to freeze inside the sprinkler. Freezing water can damage the sprinkler and affect operation.1Turn off the faucetShut off the water supply before disconnecting the sprinkler.2Disconnect the hoseRemove the garden hose from the hose-end connection.3Drain remaining waterAllow water to drain completely from the sprinkler before storing.4Store safelyStore the sprinkler in a clean, dry location when not in use, especially before freezing temperatures.Troubleshooting GuideUse these quick checks for common SJI-OMS20 concerns.↔️ Sprinkler Does Not OscillatePossible CausesNot enough water pressureGarden hose is kinkedDirt or grime is blocking the spray nozzlesSolutionsCheck that the faucet is fully openMake sure there are no kinks in the hoseConfirm adequate pressure is flowing into the sprinklerUse the provided cleaning pin to clear clogs from the spray nozzlesRinse the inlet filter if debris is present💦 Weak or Uneven SprayPossible CausesSpray nozzles are cloggedInlet filter has debris buildupWater pressure is too lowSolutionsClean the nozzles with the cleaning pinRemove and rinse the inlet filter under waterFlush the oscillator by running water through it and gently spinning the tube back and forthCheck the hose and faucet for adequate water flow🌱 Sprinkler Does Not Cover Stated AreaPossible CausesNot enough water pressureHose is kinkedSliding tabs are set to a smaller watering rangeSolutionsEnsure there are no kinks in the hoseConfirm adequate pressure is flowing into the sprinklerAdjust the sliding tabs for wider coverageReposition the sprinkler for better yard coverageWarranty🛡️Warranty coverage: The SJI-OMS20 includes a 2-year limited warranty for ordinary household use when purchased from Shop Joe or an authorized seller with proof of purchase.Video GuideFrequently Asked QuestionsWhat is the SJI-OMS20 best used for?It is best used for lawn watering and large yard coverage, with adjustable range control for different watering areas.What is the maximum coverage area?The maximum coverage is 4,400 sq ft / 409 m², depending on water pressure and setup.How far can it spray?The maximum spray distance is 70 ft / 21.3 m, and the maximum spray width is 63 ft / 19 m.How many nozzles does it have?The SJI-OMS20 has 20 plastic spray nozzle heads.How do I adjust the watering range?Use the sliding tabs on the sprinkler to select the desired position and customize the watering pattern.Why is the sprinkler not oscillating?Common causes include low water pressure, a kinked hose, or clogged spray nozzles. Check the hose for kinks, confirm adequate pressure, rinse the inlet filter, and use the cleaning pin to clear nozzle clogs.Why is it not covering the stated area?This is commonly caused by low water pressure, hose kinks, or range tabs set to a smaller watering pattern. Check hose flow and adjust the sliding tabs for wider coverage.How do I clean clogged nozzles?Remove the cleaning pin from the sprinkler, use it to clear clogs from the spray nozzles, then fit the cleaning pin firmly back into place before using the sprinkler again.How do I clean the inlet filter?Remove the inlet filter from the hose-end of the oscillator and rinse it under water. Reinstall it firmly before using the sprinkler again.Can water freeze inside the sprinkler?No. Drain the sprinkler after use and do not allow water to freeze inside the sprinkler.What warranty does it have?The SJI-OMS20 includes a 2-year limited warranty for ordinary household use when purchased from Shop Joe or an authorized seller with proof of purchase. Related articles 24V-X2-DTS15 Cordless Lawn Scarifier + Dethatcher 24V-SS13-CT Cordless Snow Shovel What is the coverage area of the Aqua Joe AJ-OMS20-BRS?