Heavy Duty Brass RV Hot Water Heater Backflow Preventer With Stainless Spring One Direction Water Flow Stops Backflow Into Your Freshwater System Half Inch Male To Female NPT Fitting

Heavy-Duty Brass RV Backflow Preventer, 1/2 in NPT
✔️ One-direction flow, brass body with stainless spring, 1 unit

This heavy-duty backflow preventer is designed for RV freshwater systems. It installs on the cold line feeding your water heater, ensuring water only flows toward the heater and stopping backflow into the potable supply.

✅ 1/2 in NPT male x female fittings
✅ One-direction flow toward the heater, prevents backflow
✅ Brass body with stainless steel spring for durability
✅ Single-pack backflow preventer (1 unit)

💡 What is a backflow preventer used for in RV water systems?

It protects potable water by ensuring flow toward the heater and preventing backflow into the freshwater supply.

- Handy safety device for RV plumbing - Works with 1/2 in NPT connections - Brass body with stainless spring for durability - Maintains potable water integrity in mobile setups