--- product_id: 114138612 title: "51023P 1\" FPT Anti-Siphon Manual Sprinkler Valve" brand: "orbit" price: "¥6843" currency: JPY in_stock: true reviews_count: 8 category: "Orbit" url: https://www.desertcart.jp/products/114138612-51023p-1-fpt-anti-siphon-manual-sprinkler-valve store_origin: JP region: Japan --- # 1" FPT inlet/outlet for seamless fit Manual flow control with sprinkler key option Built-in atmospheric vacuum breaker for backflow prevention 51023P 1" FPT Anti-Siphon Manual Sprinkler Valve **Brand:** orbit **Price:** ¥6843 **Availability:** ✅ In Stock ## Summary > 💦 Control your flow, protect your home—sprinkle smart with Orbit! ## Quick Answers - **What is this?** 51023P 1" FPT Anti-Siphon Manual Sprinkler Valve by orbit - **How much does it cost?** ¥6843 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/114138612-51023p-1-fpt-anti-siphon-manual-sprinkler-valve) ## Best For - orbit enthusiasts ## Why This Product - Trusted orbit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Reliable:** Robust plastic construction with a proven poppet and seal design ensures long-lasting performance. - • **Code-Compliant Safety:** Meets California backflow prevention standards to protect your water supply. - • **Precision Zone Control:** Manage each irrigation zone independently for tailored watering. - • **Effortless Installation:** PVC-Lock fittings enable quick, glue-free setup—no mess, no stress. - • **Universal Compatibility:** Works flawlessly with Orbit, Hydro-Rain, and other major irrigation controllers. ## Overview The Orbit 51023P 1" FPT Anti-Siphon Manual Sprinkler Valve combines manual flow control with an atmospheric vacuum breaker to prevent backflow contamination. Designed for above-ground installation, it meets strict California codes and is compatible with major irrigation controllers. Its quick-install PVC-Lock fittings and durable plastic build make it a reliable choice for precise zone-level irrigation management. ## Description Product Description The Orbit 51023P 1" Manual Anti-Siphon Valve combines an inline flow control valve with an atmospheric vacuum breaker, preventing backflow from the irrigation system into the culinary water supply. This valve design is required by code in California and commonly used throughout North America for zone-level backflow prevention. Use with PVC-Lock fittings for faster, Glue-free installation!This valve is designed for individual irrigation zone control. It is NOT designed to be installed as a main shut-off valve for an entire irrigation system. Each valve controls one irrigation zone independently.Installation RequirementsFor proper vacuum breaker operation, this valve must be installed:Above-ground only - cannot be installed underground or in valve boxes below gradeMinimum 6 inches above the highest sprinkler head in the zone it controls (12 inches recommended)With anti-siphon cap vertical (pointing upward) at all timesOn stable riser or structure to maintain proper elevation and orientationFor outdoor irrigation use with cold water only. From the Manufacturer Anti-Siphon Control Valves are designed as sprinkler control valve and to prevent contaminants from entering the main water supply through sprinkler heads. Review: Good product - It works great and fit very well Review: Brass - Easy to install ## Features - For controlling the flow of water while also protecting a culinary water system - Combines a manual irrigation valve with an atmospheric vacuum breaker - Valve features flow control which can be operated by hand or with a sprinkler key - Atmospheric vacuum breaker features a reliable poppet and seal design - Compatible with controllers from Orbit, Hydro-Rain, and other major brands ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00004S22K | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #45,152 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #306 in Automatic Irrigation Accessories | | Brand | Orbit | | Color | Green | | Customer Reviews | 4.5 4.5 out of 5 stars (641) | | Date First Available | August 17, 2005 | | Exterior Finish | Plastic | | Global Trade Identification Number | 00046878510234 | | Inlet Connection Size | 1 Inches | | Inlet Connection Type | National Pipe Tapered | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 12 ounces | | Item dimensions L x W x H | 6 x 3 x 6 inches | | Item model number | 51023P | | Manufacturer | Orbit | | Material | Plastic | | Maximum Operating Pressure | 150 Pound per Square Inch | | Number of Ports | 2 | | Outlet Connection Size | 1 Inches | | Outlet Connection Type | FNPT | | Part Number | 51023P | | Power Source | Wood | | Product Dimensions | 6 x 3 x 6 inches | | Size | 1 Count (Pack of 1) | | Specification Met | NSF/ANSI 372 | | Style | Plastic | | UPC | 046878510234 | ## Product Details - **Brand:** Orbit - **Exterior Finish:** Plastic - **Inlet Connection Size:** 1 Inches - **Inlet Connection Type:** National Pipe Tapered - **Item dimensions L x W x H:** 6 x 3 x 6 inches - **Material:** Plastic - **Maximum Operating Pressure:** 150 Pound per Square Inch - **Number of Ports:** 2 - **Outlet Connection Size:** 1 Inches - **Outlet Connection Type:** FNPT ## Images ![51023P 1" FPT Anti-Siphon Manual Sprinkler Valve - Image 1](https://m.media-amazon.com/images/I/71odGLXnVBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product *by B***. on November 18, 2025* It works great and fit very well ### ⭐⭐⭐⭐⭐ Brass *by R***A on December 30, 2025* Easy to install ### ⭐⭐⭐⭐⭐ It cheaper and works and you can get replacement parts cheaper *by D***D on October 4, 2025* Works great great price --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/114138612-51023p-1-fpt-anti-siphon-manual-sprinkler-valve](https://www.desertcart.jp/products/114138612-51023p-1-fpt-anti-siphon-manual-sprinkler-valve) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-06*