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.

Rain Bird 1804van 1800 Series Professional 4 Inch Pop Up

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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271.95 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Description

💦 Upgrade your lawn game with precision irrigation that professionals trust!

RELIABLE REACH EVERY TIME - Consistent spray coverage up to 15 feet ensures your lawn and garden get even hydration without dry spots.
BUILT TO BRAVE THE ELEMENTS - UV-resistant, weatherproof materials and a stainless steel spring guarantee long-lasting, flush retraction performance.
SEAMLESS SYSTEM INTEGRATION - 1/2 inch female threaded inlet fits effortlessly into professional and residential Rain Bird irrigation setups.
TRUSTED LEGACY OF EXCELLENCE - Backed by 90+ years of irrigation innovation, this sprinkler head delivers durability and water-smart efficiency.
PRECISION WATERING ZERO WASTE - Dial in your perfect arc from 0 to 360° with no tools needed, eliminating overspray and saving water.

The Rain Bird 1804VAN 1800 Series is a 4-inch pop-up sprinkler head featuring a fully adjustable 0-360° spray arc, delivering up to 15 feet of matched precipitation coverage. Constructed with UV-resistant materials and a heavy-duty stainless steel spring, it ensures reliable, leak-free operation and flush retraction. Designed for both residential and professional irrigation systems, it includes a 1/2 inch female threaded inlet for easy installation and is backed by Rain Bird’s 90+ years of expertise in efficient water management.

Specifications

ASIN	B081LJ593N
Best Sellers Rank	#6,950 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #10 in Automatic Irrigation Sprinkler Heads
Brand Name	Rain Bird
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (1,009)
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 cfm
Number of Items	4
Style Name	Pop-Up
UPC	077985097622
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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271.95 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.