1/2" REDUCED PRESSURE ZONE BACKFLOW PREVENTER ASSEMBLY LF COPPER PRESSFIT-90'ELBOW Series LFN36 Lead Free* Water 0390G22400

1 2" REDUCED PRESSURE ZONE BACKFLOW PREVENTER ASSEMBLY LF COPPER PRESSFIT 90'ELBOW Series LFN36 Lead Free* Water 0390G22400 Series LFN36 Lead Free* Water Service Vacuum Relief Valves are used in water heater tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater tank equipment high density polyethylene sump basin offers a true 22 gallon capacity coupled with the ability to accept a wide variety of fittings and steel or structural foam covers No special tools required for changing parts This 1 2 3 4 IN elbow is for use with series 4000B vertical RPZ air gap installations