Dreyoo Self-Draining Vacuum Breaker — Arrowhead PK1390 Compatible, 1-1/16-in Female to 3/4-in GHT Male, Backflow Preventer

Overview

The Dreyoo Self Draining Vacuum Breaker is a compact, lightweight device designed to help prevent backflow in outdoor hose systems. Its simple, robust design makes it a practical addition for garden taps, RV connections, and hose setups that benefit from automatic drainage after use.

Engineered for reliable performance, this unit combines a tight seal with corrosion-resistant materials, so it stays durable through regular outdoor use. Because it’s easy to install, you can add this break box to your workflow without significant downtime, making it a convenient option for quick upgrades to your hose connections.

Key benefits

• Anti-siphon function with automatic drainage helps prevent water from returning to the supply line when the valve closes.
• Self-draining hose valve reduces water left in the line after disconnect, which can help minimize winter ice issues in seasonal setups.
• Precise threading and an internal gasket support a reliable seal with minimal leaks during use.
• Rust-resistant metal body delivers long service life while remaining lightweight for easy handling.
• Low-profile, user-friendly design enables quick installation on common hose and end-valve setups.
• Compatible with U.S. standard end valves and standard hoses, including hose taps, cocks, RV taps, and garden taps.

Specifications

• Inlet to outlet: 1-1/16-in female thread to 3/4-in GHT male thread
• Maximum working pressure: 125 psi
• Maximum operating temperature: 180F

Usage notes

• Please read the description carefully before purchasing.
• This product is not suitable for potable water supply systems.
• If you have any questions or run into issues, contact us for support.

Applications

Designed for compatibility with standard hose fittings and common outdoor water setups, including garden taps, RV connections, and outdoor hydrants. The unit’s compact form helps it fit into tight spaces while providing dependable backflow prevention features.