12" Hose-Thread Vacuum Breaker Wall Hydrant, Anti-Siphon, 1/2" Press-Fitting

Prier P-154Y12-LF Freezeless Wall Hydrant – 1/2" Press Fit Inlet, 12" Length, Anti-Siphon, Lead-Free

The Prier P-154Y12-LF Freezeless Wall Hydrant is a professional-grade, frost-proof, anti-siphon hydrant designed for exterior water supply applications in residential and commercial systems. Featuring a 12-inch length and a 1/2-inch press-fit inlet, this hydrant delivers reliable freeze protection, backflow prevention, and long service life. The unit’s solid brass construction, nickel-plated finish, and integrated vacuum breaker ensure code-compliant performance and durability in demanding environments.

Technical Specifications

• Manufacturer: Prier
• Model Number: P-154Y12-LF
• Product Type: Freezeless Wall Hydrant with Anti-Siphon Vacuum Breaker
• Series: P-154
• Hydrant Length: 12 inches (305 mm)
• Inlet Connection: 1/2 inch Press Fit
• Outlet Connection: 3/4 inch Male Hose Thread
• Material – Body: Lead-Free Brass
• Material – Internal Components: Solid Brass Seat, Valve Stem Ends, and Stem Cap
• Finish: Satin Nickel Plated for Corrosion Resistance
• Vacuum Breaker: P-003 Type, ASSE 1011 Certified
• Hydrant Compliance: ASSE 1019 Certified (Freeze-Resistant Wall Hydrant)
• Valve Type: Self-Draining, Anti-Siphon, Frost-Proof Design
• Flange: Large Cast Brass Flange, Pitched to Drain
• Handle Type: Powder-Coated Metal Handle
• Mounting Features: Enclosed Screw Holes and Self-Aligning Lugs for Precision Installation
• Fasteners: Stainless Steel Seat Washer Screw and Handle Screw
• Drainage Feature: Automatically drains when the valve is closed to prevent freezing
• Lead Compliance: NSF/ANSI 372 Lead-Free Certified
• Operating Conditions: Designed for year-round use in exterior plumbing systems
• Application: Exterior wall installation for potable water distribution and general-purpose utility service

Performance and Application

The Prier P-154Y12-LF Wall Hydrant is engineered to deliver long-term performance in cold-weather and outdoor environments. Its freezeless design prevents trapped water from freezing in the supply line, while the integrated P-003 vacuum breaker ensures code-compliant backflow protection. The precision-machined brass body and nickel-plated finish provide superior corrosion resistance, while the large pitched flange promotes full drainage after shutoff. The hydrant’s 12-inch reach accommodates thicker wall assemblies, making it suitable for a wide range of residential, multifamily, and light commercial structures. The press-fit inlet allows secure, flame-free installation for faster field assembly and consistent joint integrity.

Summary

The Prier P-154Y12-LF Freezeless Wall Hydrant provides professional contractors with a durable, lead-free, frost-proof, and anti-siphon solution for exterior water systems. Its 12-inch length, 1/2-inch press-fit connection, ASSE-certified components, and corrosion-resistant nickel-plated finish ensure reliable operation and code-compliant installation across residential and commercial projects.