What size riser fits in the bottom, 1/2” or 3/4”?

As one of the Sellers of this item, SprinklerHUT, It is important to note that this spray head has a 1/2 inch inlet. Please do not try to measure the opening with a ruler and consider that to be an accurate measure. Pipe thread is measured very differently, and this spray head along with spray heads from Hunter and Toro and just about every other major manufacturer, are all 1/2 inch inlet. The manufacturers websites are always a great source of information and you can confirm this at any of the manufacturers sites that I just mentioned. We have been asking Amazon to include that very important information in their bullet point descriptions of this product and thus far they are choosing to display other information that in our opinion is not as helpful to the Buyer.

What do you do with the blue screw type thing and the black cap (with a small screw on top of the cap)? How do you install it? What do they do?

Once you install the sprinkler head you need to unscrew the plug that comes installed in the head. Then you need to install what looks like a cap but is actually the part of the sprinkler that directs the water.

Can these set to a 90° angle for corners?

Yes, I have four of them on my garden corners set to 90 degrees.

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1804VAN 1800 Series Professional 4 Inch Pop Up Sprinkler Head, 4 Pack - Lawn Sprinkler with Adjustable 0-360 Degree Arc Nozzle Pattern, Up to 15 Ft Spray Distance, 1/2 in NPT Threaded Inlet

Product ID: 196649893

Details

Brand
Rain Bird
Color
Black
Item dimensions L x W x H
2.25 x 2.25 x
Material
Stainless
Style
Pop-Up

💧15 ft max spray distance

🔄0-360° adjustable arc nozzle

🛠️stainless steel spring retraction

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Rp1096946

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Elevate your lawn game with precision watering that’s built to last!

OPTIMAL SPRAY REACH - Delivers up to 15 feet of consistent spray distance, perfect for medium-sized lawns and gardens.
PRECISION WATERING CONTROL - Customize your lawn’s hydration with a fully adjustable 0-360° spray arc for targeted coverage.
CONVENIENT 4 PACK WITH SCREENS - Includes four sprinkler heads and nozzles with built-in screens to prevent clogging and reduce maintenance.
DURABLE STAINLESS STEEL SPRING - Engineered for reliable pop-up and retraction, ensuring long-lasting performance season after season.
PROFESSIONAL GRADE 4 INCH POP UP - Discreetly hidden when not in use, maintaining your lawn’s sleek, manicured look without compromise.

The Rain Bird 1804VAN 1800 Series is a professional-grade 4-inch pop-up sprinkler head featuring an adjustable 0-360° arc nozzle and up to 15 feet spray distance. Built with a durable stainless steel spring for reliable retraction, it comes in a convenient 4-pack with screens to prevent clogging, making it ideal for efficient, customizable lawn irrigation.

Specifications

ASIN	B081LJ593N
Best Sellers Rank	#4,007 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #3 in Automatic Irrigation Sprinkler Heads
Brand Name	Rain Bird
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (886)
Global Trade Identification Number	00077985097622
Inlet Connection Size	4 Inches
Item Dimensions	2.25 x 2.25 x 6 inches
Manufacturer	Rain Bird
Manufacturer Part Number	1804VANS-4-1
Material Type	Stainless Steel
Maximum Flow Rate	176.71 Cubic Feet Per Minute
Number of Items	4
Style Name	Pop-Up
UPC	077985097622
Unit Count	1.00 Count

Reviews

C**J

Excellent product

I bought these because I ran over one of my sprinkler heads with the lawnmower. I’ve never changed out a sprinkler head before so this was my first time and this product actually worked great. The spray distance was fantastic. The spray pattern you could adjust seems like it’s gonna hold up well and it was easy to install.

26.09.2025

D**E

Good product

Ordered more

22.04.2026

R**N

Good buy

These work great, give great coverage.

6.04.2026

D**C

Works but not easy to aim.

Supposed to be able to adjust the spray width and it is possible, but not easy. No definite "aim" marks to know where the angle will start or end and adjusting the arc after the sprinkler is installed is at least difficult. It's better to remove the top, make an adjustment, reinstall the top, test, repeat.

26.10.2025

F**N

Pops right up

Water goes in the bottom and the top pops up and the water sprays out on the top. My grass loves the water. And my mower can just mow right over the top since the pop up only pops up when the sprinkler system is on. Very smart, whoever thought of this!!

9.04.2026

J**Z

Easy to use ans instal as a replacement

Easy to use

19.04.2026

T**D

Half worked half didn’t.

Got these and they mount easily but half of them leaked and could not be adjusted. Used the two I could and tossed the others. Might be better to go local and get where you can take in and swap out if they are defective

15.10.2025

J**N

Good

They work like sprinklers.

15.02.2026

G**O

Funcional

4.03.2026

J**A

Work great and do the job. Easy to adjust

28.07.2025

A**.

Muy buen producto y efectivamente se puede ajustar de 0º a 360º

4.11.2025

B**N

Nothing

20.06.2025

C**N

Lo instale en mi jardín y es perfecto al estar enterrado para evitar ser un obstáculo, sin embargo debo mencionar que requiere mucha presión de agua para su funcionamiento adecuado

27.12.2024

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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1 month ago

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