Watts 0792039 3/4″ Lead-Free Brass Vacuum Breaker LF288A

The Watts LF288A (SKU 0792039) is a 3/4″ lead-free brass atmospheric vacuum breaker engineered to protect potable water and hydronic piping systems against back-siphonage and backflow contamination. Constructed from lead-free brass in compliance with NSF/ANSI 61 and applicable lead-free legislation, this vacuum breaker is well suited for residential and light commercial plumbing, irrigation, and hydronic heating applications where code-compliant backflow prevention is required.

The LF288A operates as an atmospheric-type device, automatically venting to atmosphere when supply pressure drops, effectively breaking any siphon that could draw contaminants back into the supply line. Its compact, all-brass body delivers lasting durability and corrosion resistance in a wide range of water conditions.

Key Features

• 3/4″ connection size for easy integration into standard piping systems
• Lead-free brass construction — compliant with NSF/ANSI 61 and lead-free mandates
• Atmospheric vacuum breaker design prevents back-siphonage and backflow
• Suitable for potable water, hydronic heating, and irrigation applications
• Compact, low-profile body for straightforward installation in tight spaces
• Watts LF288A model — a trusted standard in backflow prevention

Specifications

• SKU: 0792039
• Model: LF288A
• Connection Size: 3/4″
• Body Material: Lead-Free Brass
• Type: Atmospheric Vacuum Breaker
• Compliance: Lead-Free (LF) — NSF/ANSI 61
• Brand: Watts

Applications

• Residential and commercial plumbing supply lines
• Hydronic heating systems
• Irrigation and hose bib connections
• Anywhere code-compliant back-siphonage protection is required