

Professional-Grade Anti-Siphon Valves
Reliable irrigation control with built-in backflow prevention

The Challenge:
Protecting your home's drinking water while efficiently controlling your irrigation system requires multiple components and complex installation.
The Solution:
Orbit's anti-siphon valves combine automatic irrigation control and backflow prevention in one reliable unit.
Key Benefits
- Built-in atmospheric vacuum breaker prevents contamination of household water
- Adjustable flow control for precise water management
- Manual operation capability for testing and maintenance
- Compatible with 24V AC irrigation controllers including B-hyve smart controllers
- Durable construction designed for years of reliable service
Professional Features That Matter

Built for the Real World
- Durable UV-resistant construction laughs at harsh weather
- Stainless steel and brass components say no to corrosion
- Simple serviceable design - maintenance is a breeze
- Manual operation when you need it most
- High-flow design keeps your sprinklers happy
- Smart filter screen stops clogs before they start

Installation Your Way
- PVC-Lock connections push together in seconds
- Tool-free manifold system makes multi-valve setups simple
- Traditional PVC connections for classic installations

The Little Things That Count
- Flow control dial for perfect pressure adjustment
- Built-in filter screen catches debris
- Manual bleed screw for seasonal drainage
- Clear markings for foolproof installation
![]() 3/4" FPT Anti-Siphon Valve with Flow Control | ![]() 1" FPT Anti-Siphon Valve with Flow Control | ![]() 1-Inch FPT Anti-Siphon Valve with Flow Control and 3/4" adapters | ![]() Orbit 57626 3/4-Inch FPT Jar Top Automatic Anti-Siphon Valve | ![]() Orbit 57065 3/4-Inch FPT Brass Automatic Anti-Siphon Valve with Flow Control | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — | — | — | — |
| Flow Rate | 5-22 GPM | 15-25 GPM | 5-22 GPM or 15-25 GPM | 5-22 GPM | 5-22 GPM |
| Inlet / Outlet | 3/4" FPT | 1" FPT | 1" or 3/4" FPT | 3/4" FPT | 3/4" FPT |
| Operating Pressure | 20-100 PSI | 20-100 PSI | 20-100 PSI | 20-80 PSI | 20-100 PSI |
| Flow Control | ? | ? | ? | no data | ? |
| Manual Operation | ? | ? | ? | no data | ? |
| Ideal For | Medium zones up to 8 sprinklers | Large zones up to 12 sprinklers | Landscapes with both 3/4" and 1" valve connections | Low Pressure Medium zones up to 8 sprinklers | Medium zones up to 8 sprinklers |
| Distance between inlet and outlet | 3-3/16 of an inch on center (+/- 1/16") | 3-3/16 of an inch on center (+/- 1/16") | 3-3/16 of an inch on center (+/- 1/16") | 4-7/16 of an inch on center (+/- 1/16") | 2-5/8 of an inch on center (+/- 1/16") |
| Recommended Pressure | 80 PSI | 80 PSI | 80 PSI | 65 PSI | 80 PSI |
Installation Made Easy:

Option 1: PVC-Lock Quick-Connect
- Just push to connect - no glue or primers needed
- Stainless steel teeth grip pipe securely
- Rotatable connections for perfect alignment
- Compatible with standard Schedule 40 PVC pipe
- Removable (with tool) for easy maintenance

Option 2: Tool-Free Manifold System
- Twist together with our innovative O-ring design
- Add or service valves without cutting pipes
- Perfect for multi-zone systems
- Seamless integration with valve boxes
- Future-proof your system for easy expansion

Remember These Pro Tips:
- Mount valve 6" above highest sprinkler head
- Keep valves accessible in a valve box
- Connect to any standard 24V AC controller
- Ideal pressure range: 30-70 PSI
- Traditional PVC connections work great too! Just add thread sealant tape for a reliable seal.
- For outdoor irrigation use with cold water only

Professional-Grade Anti-Siphon Valves
Reliable irrigation control with built-in backflow prevention

The Challenge:
Protecting your home's drinking water while efficiently controlling your irrigation system requires multiple components and complex installation.
The Solution:
Orbit's anti-siphon valves combine automatic irrigation control and backflow prevention in one reliable unit.
Key Benefits
- Built-in atmospheric vacuum breaker prevents contamination of household water
- Adjustable flow control for precise water management
- Manual operation capability for testing and maintenance
- Compatible with 24V AC irrigation controllers including B-hyve smart controllers
- Durable construction designed for years of reliable service
Professional Features That Matter

Built for the Real World
- Durable UV-resistant construction laughs at harsh weather
- Stainless steel and brass components say no to corrosion
- Simple serviceable design - maintenance is a breeze
- Manual operation when you need it most
- High-flow design keeps your sprinklers happy
- Smart filter screen stops clogs before they start

Installation Your Way
- PVC-Lock connections push together in seconds
- Tool-free manifold system makes multi-valve setups simple
- Traditional PVC connections for classic installations

The Little Things That Count
- Flow control dial for perfect pressure adjustment
- Built-in filter screen catches debris
- Manual bleed screw for seasonal drainage
- Clear markings for foolproof installation
![]() 3/4" FPT Anti-Siphon Valve with Flow Control | ![]() 1" FPT Anti-Siphon Valve with Flow Control | ![]() 1-Inch FPT Anti-Siphon Valve with Flow Control and 3/4" adapters | ![]() Orbit 57626 3/4-Inch FPT Jar Top Automatic Anti-Siphon Valve | ![]() Orbit 57065 3/4-Inch FPT Brass Automatic Anti-Siphon Valve with Flow Control | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — | — | — | — |
| Flow Rate | 5-22 GPM | 15-25 GPM | 5-22 GPM or 15-25 GPM | 5-22 GPM | 5-22 GPM |
| Inlet / Outlet | 3/4" FPT | 1" FPT | 1" or 3/4" FPT | 3/4" FPT | 3/4" FPT |
| Operating Pressure | 20-100 PSI | 20-100 PSI | 20-100 PSI | 20-80 PSI | 20-100 PSI |
| Flow Control | ? | ? | ? | no data | ? |
| Manual Operation | ? | ? | ? | no data | ? |
| Ideal For | Medium zones up to 8 sprinklers | Large zones up to 12 sprinklers | Landscapes with both 3/4" and 1" valve connections | Low Pressure Medium zones up to 8 sprinklers | Medium zones up to 8 sprinklers |
| Distance between inlet and outlet | 3-3/16 of an inch on center (+/- 1/16") | 3-3/16 of an inch on center (+/- 1/16") | 3-3/16 of an inch on center (+/- 1/16") | 4-7/16 of an inch on center (+/- 1/16") | 2-5/8 of an inch on center (+/- 1/16") |
| Recommended Pressure | 80 PSI | 80 PSI | 80 PSI | 65 PSI | 80 PSI |
Installation Made Easy:

Option 1: PVC-Lock Quick-Connect
- Just push to connect - no glue or primers needed
- Stainless steel teeth grip pipe securely
- Rotatable connections for perfect alignment
- Compatible with standard Schedule 40 PVC pipe
- Removable (with tool) for easy maintenance

Option 2: Tool-Free Manifold System
- Twist together with our innovative O-ring design
- Add or service valves without cutting pipes
- Perfect for multi-zone systems
- Seamless integration with valve boxes
- Future-proof your system for easy expansion

Remember These Pro Tips:
- Mount valve 6" above highest sprinkler head
- Keep valves accessible in a valve box
- Connect to any standard 24V AC controller
- Ideal pressure range: 30-70 PSI
- Traditional PVC connections work great too! Just add thread sealant tape for a reliable seal.
- For outdoor irrigation use with cold water only





















































