This backflow preventer safeguards your RV’s fresh water system and municipal water supplies from cross-contamination with NSF and IAPMO certified food-grade materials. The male inlet and female outlet threads accommodate standard RV plumbing connections.

• 1/2-inch male inlet thread
• 1/2-inch female outlet thread
• Non-toxic food-grade materials
• Lead-free construction
• NSF and IAPMO certified
• Direct replacement for Marshall Brass devices