**We are not carrying this product at this time. We have a replacement option available at this link - Zurn - 1UFX1F-700XL - 1'' Dual Check Backflow Preventer**

1'' Lead Free FNPT (Female Pipe Thread Connection) Satin Brass Dual Check Valve

DESCRIPTION

The lead free* Apollo® Model DuCLF4A (4ALF-300) Dual Check Valve prevents backflow by either backpressure or back-siphonage from a cross-connection between potable water lines and substances that are objectionable, but not health hazards.

FEATURES

• Low Head Loss
• Independently-Acting Captured Spring Check Valves
• Compact and Lightweight
• Corrosion Resistant
• Replaceable Check Modules
• Industry Lay Lengths
• Lead-Free (NSF 372)
• 5 Year Warranty

PERFORMANCE RATING

• Maximum Working Pressure: 175 psi
• Operating Temperature Range: 33°F - 180°F

APPROVALS

• ASSE 1024
• CSA B64.6
• NSF/ANSI 61-2016
• NSF/ANSI 372 Lead Free

STANDARD MATERIALS LIST

• BODY: Lead Free* Bronze C87800
• TAILPIECE: Lead Free* Brass C46500
• UNION NUT: Brass C36000
• CHECK MODULES: Acetal (3/4''-1'')
• SPRINGS: Stainless Steel
• SEAT DISCS: Buna-N (3/4''-1'')

Downloads

• Specification Sheet