Watts LFRK 909-RT 6 - Part of the RK-LF909 Series ZA100F-3NH The Trailer Scuff Liner is

The Trailer Scuff Liner is a heavy-duty HDPE plastic designed to shield trailer sidewalls and decks from freight damage and daily wear

Its epoxy-coated cast iron body offers long-term corrosion resistance

This total relief valve repair kit is designed for use on a 2 1/2 and 3 inch reduced pressure zone assembly used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

The temperature relief is 210 degrees and the pressure relief is 75 psi

Watts LFRK 909-RT 6 - Part of the RK-LF909 Series ZA100F-3NH The Trailer Scuff Liner isThis kit contains the rubber parts for the repair of the 6 inch Watts backflow preventer relief valve, lead free series 909 RT. It has a diaphragm, two molded disc assemblies, two seat O rings, RV O ring, two piston O rings, RV stem O ring, flow tube O ring and cover O ring. Features Factory replacement kit No special tools required for changing parts All parts are made of high quality materials Original parts insure long service life Specifications