Series U5B-Z3 High Performance Water Pressure Reducing Valves are used in commercial, industrial, and residential applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. It consists of a bronze body construction, integral stainless steel strainer replaceable seat module and optional thermal expansion bypass. Available with threaded, solder or quick-connect end connections. Maximum Working Pressure: 300psi (21 bar), Adjustable Reduced Pressure Range: 25 to 75psi (172 to 517 kPa), Standard Pressure Setting: 50psi (345 kPa).
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Q:Which direction do I turn the screw to lesson the pressure coming thru the main water line on my presure reducing valve with by-pass?
A:Turn the screw counter clockwise to lower downstream pressure and clockwise to increase.
Q:Is the only difference between the U5B-Z3 and the 25AUB-Z3 models the thermal bypass capability of the U5B as the U5B is much more expensive?
A:The specs are the same for both models, however the U5B performs better at low flow rates because it has a larger orifice. This makes it a good choice for domestic use.
Q:it states that they come factory set at 50 psi, but I need it set at 25 psi. Is there a charge for that to be done?
A:Please watch the following video for instructions on adjusting the pressure: http://www.youtube.com/watch?v=KCqt4wgavhk