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Melnor 3900H Impact Lawn Sprinkler, Basic, Metal Base


Brand Melnor
Color Metal Base
Material Metal
Style Metal Head
Item dimensions L x W x H 8 x 10 x 9 inches

About this item

  • Easy to adjust coverage angle from 20° to 360° or partial to full circle watering
  • Adjustable deflector flap adjusts spray distance from 40 to 85 diameters
  • Diffuser pin customizes spray from gentle mist to powerful jet
  • Built of durable, non-corrosive, all-metal parts for last season after season
  • Backed by a Melnor 7-Year Limited Warranty. Melnor stands behind its products. Need additional information or assistance? Leave a question/feedback below. We value your experience with us.

Additional Details

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Customer ratings by feature

Light weight
4.2 4.2
Easy to use
4.1 4.1
Maneuverability
4.0 4.0
Sturdiness
3.8 3.8

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From the manufacturer

Melnor

Melnor, Inc. is one of the leading producers of lawn and garden watering products in North America. Melnor's commitment is to continue the tradition of providing exciting products that will satisfy every homeowner¹s needs.

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Melnor 3900H Impact Lawn Sprinkler, Basic, Metal Base


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Product Description

Product Description

If you're looking for a serious sprinkler you can still count on several years from now, try this pulsating sprinkler from the Melnor Heritage line. It is built of durable, non-corrosive, all-metal parts and is guaranteed by Melnor for as long as 7 years. The base is constructed of durable zinc, heavily coated, and sealed in Green enamel. This model covers a maximum radius of 42.5 feet, or 5,600 square feet in a circular shape. The sprinkler adjusts to water anywhere between 20 degrees to a full 360 degrees. You can lower the stream to cut spray radius down for smaller watering jobs. With this capacity and versatility, you should be able to cover most yard sizes and shapes in just a couple of passes. If you've got a large yard and plan on keeping it green for a long time to come, this sprinkler is worth considering. It is backed by a 7-year limited warranty.

Amazon.com

If you're looking for a serious sprinkler you can still count on 10 years from now, try this pulsating sprinkler from the Melnor Heritage line. It is built of durable, non corrosive, all-metal parts and is guaranteed by Melnor for as long as you own your home. The base is constructed of durable steel, heavily coated and sealed in black enamel. The hose coupling and sprinkler apparatus are made of brass, a metal known to hold up indefinitely to weather. This model covers a maximum radius of 50 feet, or 7,850 square feet in a circular shape. The sprinkler adjusts to water anywhere between 30 degrees to a full 360 degrees. You can lower the stream to cut spray radius down for smaller watering jobs. With this capacity and versatility, you should be able to cover most yard sizes and shapes in just a couple of passes. If you've got a large yard and plan on keeping it green for a long time to come, this sprinkler is worth considering. It is backed by a lifetime limited warranty.

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Melnor 3900H Impact Lawn Sprinkler, Basic, Metal Base
Melnor 3900H Impact Lawn Sprinkler, Basic, Metal Base
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Price-10% $40.35
List:$44.85
$23.99$28.99-17% $19.37
List:$23.39
$18.99
Delivery
Get it as soon as Wednesday, Jul 31
Get it as soon as Wednesday, Jul 31
Get it as soon as Wednesday, Jul 31
Get it as soon as Wednesday, Jul 31
Get it as soon as Wednesday, Jul 31
Customer Ratings
Stability
3.4
3.9
4.2
4.1
3.6
3.5
Maneuverability
4.0
4.2
3.9
4.5
Sturdiness
3.8
4.4
4.3
4.7
Light weight
4.2
4.3
4.0
Sold By
Amazon.com
Xiny Shop
STYDDI
Amazon.com
tuocheng LLC
floor area
5600 square feet
4500 square feet
5800 square feet
5600 square feet
power source
Manual
Water
Water Powered
Manual
Water
material
Metal
Metal
Metal
Zinc
Metal
Orichalcum
style
Metal Head
3-Way Adjustable Metal Base
Adjustable,Circular,Pulsating
Adjustable,Circular,Pulsating
Sled Puls Sprinkler

Important information

Safety Information

Warning: This product can expose you to chemicals including styrene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov. For outdoor use only

Customer reviews

4.2 out of 5 stars
2,466 global ratings

Customers say

Customers like the performance and value of the irrigation sprinkler. For example, they mention it works well and is good value for money. Some appreciate the adjustability. That said, some complain about the rotation and stability. Opinions are mixed on appearance, quality, and weight.

AI-generated from the text of customer reviews

340 customers mention "Performance"257 positive83 negative

Customers like the performance of the irrigation sprinkler. They say it works well, with a strong, evenly distributed spray. Some mention that the paddles and the diffuser work great for more of a misting spread. They also say that the sprinkler head works wonderfully for water distribution. However, some customers report that the head does not stay tight on.

"...say it has done easily over 75 feet on my front yard, and it does so with a good, strong, evenly distributed spray...." Read more

"...for a simple solution to water a small or medium sized yard, as it works well and requires very little adjustments." Read more

"...sprinklers ever, easy to setup, just seconds and this baby is doing the job just right. Heavy duty like no other...." Read more

"It took less than one season before it stopped working. It is too light weight for my purposes. The oscillating mechanism stopped working...." Read more

117 customers mention "Value"85 positive32 negative

Customers like the value of the irrigation sprinkler. They say it's good for the price, affordable, and a quality product for the money.

"...This is, by far, the best. To sweeten the pot, it is also the cheapest I have bought...." Read more

"...to buy another one - again, *if* there are no more issues, high value for the cost..." Read more

"...They're also overpriced and becoming more difficult to find, likely due to so many one-and-done buyers...." Read more

"These are affordable sprinklers, two of them cover the majority of a one acre lawn...." Read more

113 customers mention "Adjustability"88 positive25 negative

Customers like the adjustability of the irrigation sprinkler. They say it has an excellent range and can be easily adjusted from full circle to pie wedge. They also say it's simple to adjust the spray pattern and has great coverage. Customers also mention that it'll effectively water just about any type of yard.

"...impressed with how far the sprinkler could reach, and how consistent the spray pattern and water distribution is, both of these are important..." Read more

"...OMG it’s another world now. It covers so much and is so controllable and puts down a lot of water...." Read more

"Pattern sprinklers are the most flexible in that they can be adjusted to effectively water just about any type of yard/area, including irregular ones..." Read more

"...It does take some practice to get it set right, but once you get a feel for your lawn settings, the adjustments are quick and easy...." Read more

442 customers mention "Quality"303 positive139 negative

Customers are mixed about the quality of the irrigation sprinkler. Some mention it's very well made, the base is solid, and stable. However, others say that the plastic "tracks" tend to crack and break easily.

"...done easily over 75 feet on my front yard, and it does so with a good, strong, evenly distributed spray...." Read more

"Best sprinklers ever, easy to setup, just seconds and this baby is doing the job just right. Heavy duty like no other...." Read more

"...sprinklers, but after a couple of years or more the plastic "tracks" tend to crack...." Read more

"...It covers so much and is so controllable and puts down a lot of water. You do have to turn your water up a little to get it to work...." Read more

102 customers mention "Weight"51 positive51 negative

Customers are mixed about the weight of the irrigation sprinkler. Some mention it's stable but light weight, while others say it'll tip over. The round base is plastic and not weighted, making it less stable.

"...The plastic-sled design is heavy enough to keep the sprinker anchored so that the impact mechanism functions flawlessly and accurately...." Read more

"...this a 5 star rating is because, while the base is weighted, it isn't VERY weighted, and I do have to throw a large rock on the base if my hose is..." Read more

"Maneuverability: 5/5 - This sprinkler has an excellent range of motion which makes the maneuverability of it top notch...." Read more

"...There's no effective fix.2. They're too lightweight, so you need to use bricks or something heavy on each side to hold them in place..." Read more

88 customers mention "Appearance"38 positive50 negative

Customers are mixed about the appearance of the irrigation sprinkler. Some mention that it looks good for now, is nice, and the design works well. However, others say that it's poor, disappointed, and not the quality they expected from Melnor.

"...or, when an additional sprinkler is found to be needed, this one is a problem. I actually bought it last year but never reviewed it then...." Read more

"...It takes less time because it puts down a lot of water. And they are so cool." Read more

"...Turns out its not really cool. However, it is solid and appears to be working fine after two months...." Read more

"I got this a week ago and it is perfect. Very durable! All adjustments are easy and isn't even hard to do while the water is running...." Read more

113 customers mention "Stability"24 positive89 negative

Customers are dissatisfied with the stability of the irrigation sprinkler. They mention that it doesn't stay in place, it gets stuck in one position, and that it moves around on blacktop. Some say that the hose is firmly attached and would not budge.

"...Heavy duty like no other. It shakes a bit and moves but no issue, I got a pair of garden staples for $1 at lowes and anchor this sprinklers to the..." Read more

"...discovered the piece on the sprinkler that controls the back and forth motion is broken...." Read more

"...I came back about 15 minutes later to find it once again stuck in the same position! That's after using it less than 10 times!..." Read more

"...This sprinkler does the trick without sticking and spraying in one place. It is adjustable and hits the entire lawn as expected...." Read more

74 customers mention "Rotation"4 positive70 negative

Customers are dissatisfied with the rotation of the irrigation sprinkler. They say it gets jammed up and does not rotate at all. They also mention that the head does not revolve anymore and that it is unable to force itself to spin. Some customers also say that the sprinkler does not turn 360 degrees and that over time it only works in a complete circle.

"...garage to use this week, hooked it up to the hose, and it will not rotate the water flow...." Read more

"First time used out of the box, after two minutes stopped rotating. Thought, perhaps, I put it together too tightly. {..." Read more

"...The rotating sprinkler mechanism either sticks and stops rotating back and forth, or they slip resulting in watering areas you don't want to water,..." Read more

"Won't do a full 360 circle. Leaves one 15 degree wedge unwatered.Sometimes gets stuck in a spot for a little bit...." Read more

Works OK but, has two design flaws ...
3 out of 5 stars
Works OK but, has two design flaws ...
While it's 'not' heavy duty - not by any stretch of the imagination, it's OK for the money. I've used two of these over the past few years and both suffer from two design flaws ... 1) the metal where the hose connects will crack over time; see attached photo, and 2) the insert for the thumb screw that holds and controls the water deflector loosens, making it difficult if not impossible to tighten the thumb screw, at least without a pair of pliers. Even with these weaknesses, I bought another as a replacement as they otherwise work pretty well, again considering what they cost. This time, however, I'll keep the receipt in case either of these problems occur while under warranty.
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Top reviews from the United States

Reviewed in the United States on November 6, 2023
Color: Adjustable BaseSize: BasicStyle: Plastic HeadVerified Purchase
I love these pattern sprinklers, but after a couple of years or more the plastic "tracks" tend to crack. I have purchased several brands over the years, purchasing 2 Melnor about 2 1/2 years ago. When the tracks cracked this year I contacted Melnor, not expecting much since they were well out of warranty. Not only did their customer service dept. respond quickly, they replaced both at no charge.
Way to back up your product!
Reviewed in the United States on October 11, 2004
Color: Weighted BaseSize: BasicStyle: Metal HeadVerified Purchase
It feels somewhat ridiculous to be writing a review on the performance of a sprinkler, but this one warrants the effort. Over the past few years, I have purchased approximately 10 sprinklers. This is, by far, the best. To sweeten the pot, it is also the cheapest I have bought.

Normally, when I see a sprinker say its range is 50, 60, 70, etc. foot diameter, I immediately discount that range as some theoretical, laboratory-type performance (no wind, perfect water pressure, etc). Without being a total geek and pulling out the tape measure, I can say it has done easily over 75 feet on my front yard, and it does so with a good, strong, evenly distributed spray.

The plastic-sled design is heavy enough to keep the sprinker anchored so that the impact mechanism functions flawlessly and accurately. I've purchased 3 or 4 "spike" design impact sprinklers and, invariably, the ground at the base of the sprinkler gets saturated, so the sprinkler wobbles, tips, and the next thing you know, you are watering your trees and not your lawn.

I just bought two more before it is no longer available. This one is well worth your money.
3 people found this helpful
Report
Reviewed in the United States on May 10, 2022
Color: Metal BaseSize: BasicStyle: Metal HeadVerified Purchase
Maneuverability: 5/5 - This sprinkler has an excellent range of motion which makes the maneuverability of it top notch. I typically use it in a 180 Degree Fan sweep motion, but I can quickly reposition it and change it's rotation to a full 360, or any other setup I want.

Light weight: 4/5 - Dinged one point on this because while the sprinkler is very light weight. While 9 times out of 10 this is an advantage, it does require me to load a small little heavy flat rock on the end of the base. This is because I have noticed the sprinkler will lift itself off of its base if you have it spray to the sides of itself, (or at the ends of the 180 angle for example). Pretty easily remedied by adding a little bit of weight to the base. I've seen others drill a small hole to add a bolt to the center to secure it in, but this works fine for me.

Sturdiness: 4/5 - The product feels very sturdy. I have left it outside since purchase and see no wear and tear nor do I assume there is any reason for that in the future. I knocked off 1 star here for the same reason as the "light weight" rating, because I think having to use a rock or other part to secure it could fall under both categories.

Overall: 4.5/5 - Overall I love this sprinkler. I purchased mine about 5 weeks ago and have used it 3-5x a week since then. (I've been giving the front and back lawns a lot of TLC before spring/summer this year). I was impressed with how far the sprinkler could reach, and how consistent the spray pattern and water distribution is, both of these are important factors that Amazon should actually include in their rating for the product. It's also very easy to adjust on the fly. You can adjust the height/distance of the sprinkler with the silver plate above the water, which can be pushed into the stream to cut down on its power/distance. There is also a small screw to the right of the sprinkler head which can be turned to impede the stream of water as well, to offer more adjustments. I would recommend this to anyone who is looking for a simple solution to water a small or medium sized yard, as it works well and requires very little adjustments.
Reviewed in the United States on June 19, 2019
Color: Metal BaseSize: BasicStyle: Metal HeadVerified Purchase
Best sprinklers ever, easy to setup, just seconds and this baby is doing the job just right. Heavy duty like no other. It shakes a bit and moves but no issue, I got a pair of garden staples for $1 at lowes and anchor this sprinklers to the floor. I bought two of these and I am very happy with the results. 1 inch of water in my grass every week and it took only 1 month for my backyard to look amazing again.
Reviewed in the United States on May 28, 2019
Color: Metal BaseSize: BasicStyle: Metal HeadVerified Purchase
I bought this to use on my lawn in NC in the summer. Just pulled it out of the garage to use this week, hooked it up to the hose, and it will not rotate the water flow. I thought maybe it might simply need lubrication - so got some- went to lube it and discovered the piece on the sprinkler that controls the back and forth motion is broken. I was happy to read the Melnor company has a 7 year guarantee on this- so I am hoping they will contact me and replace it.
I will say it works well as a sprinkler when it works. It is heavy metal, with brass fittings - that all still look brand new.

I am upgrading my review to 5 star due to the excellent customer service from Melnor.
They immediately replaced my broken sprinkler after I answered a few questions.
Great company- that stands behind their products. I personally have 2 of these now- and will in the future not buy
nor recommend any lawn sprinkler other than Melnor! Thank you.
4 people found this helpful
Report
Reviewed in the United States on September 22, 2022
Color: Metal BaseSize: BasicStyle: Metal HeadVerified Purchase
I love this sprinkler. I have always had fan sprinkles. This year I got serious about watering so I got a impact sprinkler. OMG it’s another world now. It covers so much and is so controllable and puts down a lot of water. You do have to turn your water up a little to get it to work. When you figure that out it’s perfect.
I love this sprinkler so much I got another for my front yard and my yard has never been as green. I just wished I had bought it earlier but next year I am ready. It takes less time because it puts down a lot of water. And they are so cool.
One person found this helpful
Report

Top reviews from other countries

Amazon Customer
4.0 out of 5 stars good and useful product
Reviewed in India on November 13, 2022
Color: Metal BaseSize: BasicStyle: Metal HeadVerified Purchase
good product
GA
5.0 out of 5 stars Works fantastic.
Reviewed in Canada on July 9, 2020
Color: Adjustable BaseSize: BasicStyle: Plastic HeadVerified Purchase
Great idea to have water distance adjustability when spraying around walkways and driveways.
David St.Jean
2.0 out of 5 stars Has a Design weak spot
Reviewed in Canada on August 30, 2019
Color: Weighted BaseSize: BasicStyle: Metal HeadVerified Purchase
Rotation adjustment clips are too weak, and keep moving,causing unwanted area spraying . Spring steal not strong enough, and no way to tighten
Customer image
David St.Jean
2.0 out of 5 stars Has a Design weak spot
Reviewed in Canada on August 30, 2019
Rotation adjustment clips are too weak, and keep moving,causing unwanted area spraying . Spring steal not strong enough, and no way to tighten
Images in this review
Customer image Customer image
Customer imageCustomer image
2 people found this helpful
Report
T
5.0 out of 5 stars works great
Reviewed in Canada on July 17, 2019
Color: Metal BaseSize: BasicStyle: Metal HeadVerified Purchase
Have two of these units going now for two consecutive summer watering seasons. Used almost daily, they have great coverage, limited for height but I run both at the same time and both provide perfect coverage for 50'. 360 deg. coverage. they are hard to throttle back the range but if used for full coverage awesome. no issues for me as of yet. would recommend for city water supply.
small expense compared to thousands of dollars my neighbors have spent on inground sprinkler systems. my grass is just as lush and green with these units.
Amazon Kunde
3.0 out of 5 stars Der Wasserdruck ist wichtig!
Reviewed in Germany on August 1, 2018
Color: Weighted BaseSize: BasicStyle: Metal HeadVerified Purchase
Sektorenberegnung geht nur mit genügend Wasserdruck!
Würde leider nicht erwähnt!