# 3/4" FPT Manual Anti-Siphon Valve | 51022

Protect your home's clean water supply and easily manage your irrigation zones with our **3/4" FPT Manual Anti-Siphon Valve**. Designed for above-ground installation, this durable, professional-grade valve combines reliable manual flow control with an atmospheric vacuum breaker to ensure that dirty yard water never contaminates your drinking supply.  

### **Key Features:**

-   **Ultimate Backflow Prevention:** Features a built-in atmospheric vacuum breaker with a reliable poppet and seal design that safely prevents irrigation water from siphoning back into your main culinary water line.  
    
-   **Precision Flow Control:** Equipped with an easy-to-rotate manual flow control handle—operable by hand or with a steel sprinkler key—so you can quickly fine-tune your water delivery.  
    
-   **Damage Prevention:** A smart ratchet handle design prevents overtightening, protecting the valve's internal components from unnecessary wear and extending the life of your system.  
    
-   **Built for the Elements:** Crafted from heavy-duty, UV-resistant PVC to withstand harsh sunlight and challenging outdoor environments without degrading or becoming brittle.  
    
-   **Secure Connections:** Features standard 1-inch FPT (Female Pipe Thread) inlet and outlet connections for a seamless, watertight fit with standard PVC pipes and fittings.  
    
-   **Installation Note:** For proper and safe operation, this valve must be installed above-ground on risers, at least 6 to 12 inches higher than the highest sprinkler head in the zone it controls. _Designed for outdoor irrigation use with cold water only._

## Details

- **Price:** 17.99 USD
- **Vendor:** Orbit Irrigation
- **Type:** Underground Irrigation
- **Tags:** Orbit Irrigation, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.99 USD | In stock |

## Images

- 3/4" FPT Manual Anti-Siphon Valve | 51022
- 3/4" FPT Manual Anti-Siphon Valve | 51022
- 3/4" FPT Manual Anti-Siphon Valve | 51022
- 3/4" FPT Manual Anti-Siphon Valve | 51022

## Additional Information

- **Cargo Denim, Pants:** 3/4 Inch FPT Manual Anti-Siphon Valve

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> Source: [Gift From The Land](https://giftfromtheland.shop/products/3-4-fpt-manual-anti-siphon-valve-51022)
> Updated: 2026-09-05