Model # 3900H

Internet #203134126

Melnor Heavy Duty Pulsating Sprinkler
0042206039002

Melnor

Heavy Duty Pulsating Sprinkler

$1544 /each

Product Overview

The Heavy metal base of the Melnor 3,900H Heavy duty Pulsating Sprinkler provides a steady platform for watering large lawn areas up to 5,600 sq. ft. The rust proof design will provide years of service.
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Frequently Bought Together

Product Overview

The Heavy metal base of the Melnor 3,900H Heavy duty Pulsating Sprinkler provides a steady platform for watering large lawn areas up to 5,600 sq. ft. The rust proof design will provide years of service.
  • Heavy duty pulsating sprinkler
  • Durable all metal sprinkler head
  • Sturdy metal base
  • Rust-proof

Product Overview

Model #: 3900H
Internet #: 203134126

The Heavy metal base of the Melnor 3,900H Heavy duty Pulsating Sprinkler provides a steady platform for watering large lawn areas up to 5,600 sq. ft. The rust proof design will provide years of service.

California residents: see   Proposition 65 information

  • Heavy duty pulsating sprinkler
  • Durable all metal sprinkler head
  • Sturdy metal base
  • Rust-proof

Info & Guides

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Price
Was $19.97
$9.98 /each
Save $9.99 (50%)
$15.44 /each
$16.97 /each
Name Pattern Pro Sprinkler Heavy Duty Pulsating Sprinkler Gear Drive Sprinkler
Brand Gilmour Melnor Orbit
Ratings (4) (40) (212)
Maximum Spray Distance (ft.) 10 42.50 40
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Specifications

Dimensions

Coverage Area (sq. ft.)
85
Fitting Size
3/4
Product Depth (in.)
7.91
Product Height (in.)
5.08
Product Width (in.)
8.98

Details

Adjustable
Yes
Base Material
Die-Cast
Commercial / Residential
Residential
Decorative
No
Maximum Pressure (PSI)
100
Maximum Spray Distance (ft.)
42.50
Motion Sensor
No
Returnable
90-Day
Sprinkler Base Type
Stand

Warranty / Certifications

Manufacturer Warranty
Limited 7 year

Specifications

Dimensions

Coverage Area (sq. ft.)
85
Fitting Size
3/4
Product Depth (in.)
7.91
Product Height (in.)
5.08
Product Width (in.)
8.98

Details

Adjustable
Yes
Base Material
Die-Cast
Commercial / Residential
Residential
Decorative
No
Maximum Pressure (PSI)
100
Maximum Spray Distance (ft.)
42.50
Motion Sensor
No
Returnable
90-Day
Sprinkler Base Type
Stand

Warranty / Certifications

Manufacturer Warranty
Limited 7 year

Questions & Answers

Is the base metal or plastic?

Asked by: dl
Metal. Excellent product.
Answered by: Ann
Date published: 2017-04-18

what would be a few things to check that would cause sprinkler to not return to its starting point?

Asked by: clay
In my previous post(s), I said I fixed this problem. I did but the diffuser has to hit the head too many times to reverse at either end. That bothered me a lot. I switched to a smaller gauge red hard solderless connector piece of plastic on the diffuser hang down hammer pin. Just pull the metal part out of the connector. I eliminated the heat shrink tubing, the blue connector piece, and used the red one with a tight fit now. I sawed off the end of the hard red plastic flush with the pin end. I wanted 100% reversing without much of a delay at the end of either direction of travel. I finally got 100% reliable reversing. The small coiled spring below the bigger spiral spring up on top was the other problem. One end has an L shaped end that fits into a slot in and under the upper movable mechanism that reverses the head direction. On the other end of this smaller spring has a small "bump" or "raised area" on the straight part of the spring and near the end. I greased this entire mechanism, BTW. It was after I removed (you don't have to do that) the smaller spring that I noticed something. If the spring was in the lower movable mechanism hole and the "bump" was below the hole it fit into, then there would be less tension on that spring and the reversing mechanism. I tried it and now I have a quick self reversing head and at slightly lower pressure than my 40 PSI, but not much lower. 20 PSI is total sales hype. You can change the spring bump with some hemostats or tweezers without disassembly of the mechanism. Here's the assemble order if you remove these two reversing mechanisms and the spring. First on the shaft of the long pin is a small flat washer greased with silicone. Next, the upper greased mechanism with the slot goes on. This is followed by the lower assembly with the spring end hole and then another flat washer. Then, the E clip is replaced. Don't loose it. Put the bump end into the lower assembly hole until the bump area is below the hole. Next, the L end spring goes into the slot in the upper assemble and under it- - under the flat mechanism to hold the spring under tension in place. So, it took me some time but you might need a HARD plastic piece on the diffuser pin and to make sure the small spring bump is placed as described above. I am not sure how this spring position got changed but it happened. I took a piece of flat grocery store pastry clear plastic and made a split washer to go in the bottom gap that the entire rotating head mechanism rests on to reduce friction. Like in another post, mine decayed and was lost. Just slide this piece on and make sure it is a thin piece of plastic. Make sure the head is almost frictionless and not binding at all. Some water will normally leak out here. It will work without this split washer but I remember seeing one on my older 1990s squared off diffuser end. I am not sure how you fix the current egg shaped diffuser end mechanism but this should help steer you in the possible right direction. HD does not carry a replacement washer. Just make one with a drill and use some type of cutting shears on the outside edge. Get rid of any burrs. HTH, Stefan
Answered by: Stefan
Date published: 2017-09-30

How is oscillating set?

How is oscillating set?
Asked by: bency
There are 2 adjustable 'stops' at the bottom of the sprinkler that you turn to set the oscillating angle.
Answered by: Upton
Date published: 2017-09-12

What is the larget and far do they reach?

What is the larget and far do they reach?
Asked by: wagontrain
The "reach" depends on your water pressure. The reach can be diverted by a thing on top that will impinge on the flow. Also, a screw on the side helps to spray a little water between the sprinkler and the reach.
Answered by: Upton
Date published: 2017-09-12
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Customer Reviews

Heavy Duty Pulsating Sprinkler is rated 4.1 out of 5 by 40.
Rated 5 out of 5 by from Easy to use and heavy enough to stay in place when watering. Would like easier to adjust pattern ... Easy to use and heavy enough to stay in place when watering. Would like easier to adjust pattern area but once figured out how to set worked fine .
Date published: 2017-04-18
Rated 4 out of 5 by from The box had been opened and there were loose parts within the packaging. Put everything together ... The box had been opened and there were loose parts within the packaging. Put everything together and it seems to work fine.
Date published: 2017-05-23
Rated 5 out of 5 by from Exceeded my expectations... really study, good quality product. Well worth the price. Exceeded my expectations... really study, good quality product. Well worth the price.
Date published: 2017-04-18
Rated 5 out of 5 by from I love these pulsating sprinklers and have used them for decades. I also like the base it's attac... I love these pulsating sprinklers and have used them for decades. I also like the base it's attached to rather than the type I have to stick in the ground.
Date published: 2017-09-12
Rated 5 out of 5 by from easy to install and works beautifully as expected. It is... easy to install and works beautifully as expected. It is definetily recommendable!
Date published: 2017-08-30
Rated 5 out of 5 by from Great sprinkler and is powerful. Great price as well. Great sprinkler and is powerful. Great price as well.
Date published: 2017-05-02
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-09-20
Rated 5 out of 5 by from Melnor Heavy Duty Sprinkler I bought two of these and am very impressed so far. Love the fact that they are all metal with no plastic parts to break. This also gives them a heaviness so they stay right where you set them, which is refreshing. They don't leak, can be set to a 360° rotation if desired, and have nice distance. Their less than "premium-brand" pricing is definitely a pro, as well.
Date published: 2016-06-17
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