seaflo water lilet is used for fresh water system and it is constructed with UV stabilized plastic. there are a check valve inside and different model have different features.
MORE FEATURES & BENEFITS
• Constructed with UV stabilized plastic
• Continuous protection from high pressure surges
• Fits standard hose fittings
• Built in check valve
• Brass pipe threads
• Quick, permanent wall mount installation
• Regulates incoming water pressure to 50 psi to protect your RV's pluming system