Woodford 17c-12-mh-bp Sillcock Vacuum Breaker 12 Inch

Product Description

The WOODFORD 17c-12-mh-bp is a 12-inch sillcock with an integrated vacuum breaker, designed for outdoor hose bib applications in residential and light commercial plumbing systems. A sillcock is a wall-mounted exterior faucet that connects the building's water supply line to an outdoor hose connection point. The built-in vacuum breaker provides backflow protection by preventing contaminated water from siphoning back into the potable supply line, a requirement in many local plumbing codes. Licensed plumbers and experienced DIYers install this type of fixture during new construction, remodel, or replacement of a failed exterior faucet.

This sillcock is suited for exterior wall installations where the water supply line runs through the wall cavity. The 12-inch barrel length accommodates thicker wall assemblies, including those with added insulation or masonry construction. It is appropriate for residential single-family and multifamily buildings as well as light commercial structures where a standard hose bib connection is needed on an exterior wall.

Key Features

• Integrated vacuum breaker provides built-in backflow prevention at the hose connection
• 12-inch barrel length accommodates thicker wall assemblies and insulated walls
• Standard sillcock design for straightforward wall-mount installation
• Intended for outdoor potable water service at hose bib connection points

Compatibility

Designed as an OEM-style replacement or new-install sillcock for residential and light commercial exterior plumbing applications requiring a 12-inch wall penetration depth and integrated vacuum breaker backflow protection.

Installation Notes

Installation should be performed by a licensed plumber in accordance with the International Plumbing Code and applicable local codes. Shut off the building water supply and relieve line pressure before removing any existing sillcock or making new connections. Pipe thread connections should be made with appropriate thread sealant or PTFE tape per local code requirements. Do not overtighten the mounting hardware against the siding or masonry to avoid cracking the wall finish or fitting body.

Technical Specifications

• Barrel Length: 12 inches
• Backflow Prevention: Integrated vacuum breaker
• Mounting Style: Wall-mount sillcock (hose bib)

Standard Information

• Brand: WOODFORD
• Manufacturer Part Number: 17c-12-mh-bp