Keep your RV fresh water supply clean and flowing in the right direction. The Valterra P23415LF is a compact, lead-free brass check valve that installs in any 1/2" male pipe thread line to enforce uni-directional flow -- stopping antifreeze, gray water, or outside contaminants from migrating back into your potable water system.
Backflow is a real risk in RV plumbing. When you winterize with antifreeze, connect to an unfamiliar campground water source, or experience a sudden pressure drop, water can reverse direction and carry contaminants with it. The Valterra P23415LF puts a mechanical stop in that path.
At just 2.3 inches long and under 0.2 lbs, this valve threads directly into any standard 1/2" MPT fitting -- pump outlets, city water inlets, winterizing stations, or inline between your water heater bypass and the rest of the system. No special tools, no adapters needed for standard 1/2" NPT plumbing.
NSF/ANSI 61-compliant lead-free brass construction is safe for potable and drinking water applications -- no leaching, no compromise.
Spring-loaded internal check mechanism allows flow in one direction only, blocking reverse flow immediately when pressure drops or reverses.
Male pipe thread on both inlet and outlet ends fits directly into standard female NPT fittings common in RV fresh water plumbing.
At 2.3" overall length, this valve fits into tight spaces near pump outlets, bypass valves, and city water connections without rerouting lines.
Federal law (Reduction of Lead in Drinking Water Act) requires lead-free materials in potable water fittings. The P23415LF meets that requirement -- it is not just marketing language. Use it with confidence anywhere in your fresh water circuit.
Valterra manufactures a broad range of RV water fittings, valves, and accessories. The P23415LF pairs well with Valterra's winterization kits, bypass valve assemblies, and city water inlet fittings for a fully coordinated plumbing setup.