1" Anti-Siphon Irrigation Valve, 150 PSI

Toro’s 1-inch jar-top anti-siphon valve combines atmospheric backflow prevention with a durable, easy-service design. It features flow control to fine-tune zone pressure, helping reduce misting and save water.

Key Features:

• Backflow Protection: Integrated anti-siphon design for safe irrigation water supply
• Easy Service Jar Top: Threaded bonnet allows fast access to diaphragm and internals
• Precision Flow Control: Adjusts zone pressure to cut misting and improve efficiency
• Reliable Solenoid: 24 VAC encapsulated solenoid with manual internal/external bleed
• Wide Operating Range: 10–150 PSI with 0.25–30 GPM flow for residential systems

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Can this valve be installed underground?
A: No. Anti-siphon valves must be installed 6–12 inches above the highest sprinkler for proper backflow prevention.

Q: What pipe connections does it use?
A: It has 1-inch female NPT inlet and outlet.

Q: Is it compatible with standard irrigation controllers?
A: Yes. It uses a 24 VAC solenoid compatible with most residential controllers.

Q: Does it include flow control?
A: Yes. Built-in flow control lets you fine-tune zone pressure to reduce misting.

Q: How do I manually operate the valve?
A: Use the manual internal/external bleed to open the valve without the controller.

Sleek Utility Meets Outdoor Elegance

This streamlined anti-siphon valve brings refined order to the landscape, marrying crisp geometry with purposeful performance. The jar-top cap is a standout—bold, tactile, and designed for effortless maintenance. Style it on a clean riser, elevated neatly above your highest spray for a polished, professional finish. It’s the quiet luxury your irrigation deserves—smart, efficient, and impeccably crafted.

Upgrade your irrigation with Toro’s 1" anti-siphon valve to ensure safe backflow protection and precise, water-saving control.