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💧 Secure your garden’s hydration with brass-built precision!
The Orbit 51016 3/4" FPT Brass Manual Anti-Siphon Sprinkler Valve is a robust outdoor irrigation valve designed to prevent water contamination by blocking backflow. Featuring a heavy-cast brass body and an easy-to-use flow control handle, it ensures precise water management and durability. Ideal for cold water use, it meets anti-siphon standards and is highly rated for reliability and leak-free performance.




































| ASIN | B00004S22H |
| Best Sellers Rank | #20,700 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #56 in Automatic Irrigation Sprinkler Heads |
| Brand Name | Orbit |
| Customer Reviews | 4.5 4.5 out of 5 stars (335) |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00046878510166 |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | Female Iron Pipe |
| Item Dimensions | 12.38 x 4.5 x 4.75 inches |
| Item Type Name | Anti-Siphon Control Valve |
| Item Weight | 1.75 Pounds |
| Manufacturer | Orbit |
| Material Type | Brass |
| Model Number | 51016 |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | FPT |
| Size | 0.75 Inch |
| Specification Met | Anti-Siphon Valve Standard |
| Thread Size | 3/4 inch |
| Thread Type | FPT |
| UPC | 046878510166 |
| Unit Count | 1.00 Count |
| Valve Type | Anti-Siphon Valve |
G**G
good quality valve a bit pricey
very beefy working well no leaks and easy to control. threads were good for sand cast products
J**S
Nice valve, good price
Seems like a really well built valve for the price. I bought one to replace a nearly identical valve that feeds our pool filling line. The only difference is that the old valve had a union built-in on the output side. Not sure how long the existing valve had been there, but probably at least 20 or 30 years. The anti-siphon valve died on the existing valve, so water just spewed out of the anti-siphon cap and I couldn't get it to unscrew to see if the valve was repairable. Anyway, this thing feels very solidly built and seems to work like you'd expect. My only complaint would be that the handle is somewhat hard to turn by hand, as it is designed to be turned by one of those sprinkler control keys .
R**A
Brass
Easy to install
P**Z
Happy with my purchase!
I am very pleased with the Orbit 51016 3/4" Brass Manual Anti-Siphon Valve. You can tell it’s built to last—the solid brass construction feels extremely durable and far superior to the plastic alternatives I’ve used in the past. Installation was quick and straightforward. Once set up, it worked flawlessly. The anti-siphon feature gives me peace of mind knowing my water supply is protected from backflow contamination, which is especially important for irrigation systems. The valve operates smoothly, with a solid, reliable feel when turning it on and off. There are no leaks, and the water flow is consistent and strong. It’s clear this product is designed with both quality and functionality in mind. If you’re looking for a dependable, long-lasting valve that does exactly what it promises, this is an excellent choice. Highly recommended!
M**A
Good
Everything is good, the size fits, but there was no top part. And it’s weird, that package was fine
D**D
It cheaper and works and you can get replacement parts cheaper
Works great great price
D**E
Fits great
Perfectly done !!!
R**.
Cannot be installed upstream of valves!
cannot be installed upstream of manifold/valves. This is very important info that is left out of item description. it comes with a tag that says cannot be under pressure for more than 12 hours. too late to return, so i wasted money on this and the 5 inline valves i bought. would have been better off just buying plastic anti siphon valves
Trustpilot
4 days ago
1 month ago