RV Water Heater Check Valve, 1/2" NPT Male to Male Thread Hot Water Heater Check Valve, Lead-Free Brass Heater Backflow Preventer for RV, Camper, Motorhome, Trailer, 1 Pack

["Lead-Free Brass Construction : RV water heater check valve is made of solid lead-free brass that complies with NSF regulations for safe use in potable water systems. Resisting heat, pressure, and cracking and supports long-term use in RV freshwater systems.","Universal RV Water Heater Check Valve : RV water heater bypass valve features a 1/2'' NPT double male thread. 1/2\" water heater check valve fits standard 1/2\" NPT male threaded connections (MPT x MPT), ensuring a secure connections.","Backflow Prevention Protection : RV water check valve built with an internal spring-loaded check mechanism, this allows water to flow in one direction only, stop backflow from your water heater and into your freshwater system, ensuring clean and healthy water.","RV Water Heater Check Valve : RV water pump check valve's max pressure is 150 PSI , the working temperature from -4°F to 248°F (-20°C to 120°C) , ensuring it performs optimally even under different conditions.","Wide Application : RV water pump check valve suitable for RV, camper, motorhome and trailer water heaters, maintaining one-way water flow. Including 1 rv water heater check valve, 1 tape."]