RV Water Pressure Regulator Valve Brass Lead-Free Adjustable Pressure Reducer 3/4 Lead-Free Brass Water Pressure Regulator with Gauge Adjustable RV Pressure Reducer Brass & stainless steel Made of Lead Free Brass, our regulator meets NSF lead-free requirements of less than 0.25%.Our water pressure regulator can reduce original water pressure and make it stable to use. Compatible with U.S. 3/4" water sources(ND20) & NH threads, the regulator can compatible with all U.S. water sources. Built in oil design can damps vibrations of internal parts or sudden pressure changes and to prolong lifespan of gauge. Through screw driver, the water pressure can be adjusted from 0-160psi easily (Maximum tolerable water pressure: 240psi). Just adjust the brass screw (at the top of regulator) to change the pressure - or +. Arrives with our easy installation guide. The removable valve spool is easy to clean or replace. Double-layer inlet screened filter design will filter the particles like gravel, debris to prevent impurity blocking and valve body damage. Product With this water pressure regulator, you and your family or friends can have a peace of mind when have a camping or other recreations. As we all know, the high water pressure can damage the plumbing system and blast expensive fixtures and appliances. Designed to reduce incoming water to a safer constant predetermined downstream level, this water pressure regulator is extremely useful and necessary. Installation: 1.Connect the female fitting of the adjustable water regulator to the water source’s hose tap directly. 2.Connect the female fitting on the water hose to the male fitting of the adjustable water regulator. 3.Open the water supply to flush the water regulator and hose For one minute. Turn off the water supply. 4.Connect the hose to RV’s water inlet and open the water supply. 5.Open all RV fixtures to flush out of the RV plumbing?including turning on showers, faucets and flushing toilets. 6.Adjust the regulato