Pressure Protection Valve KWM778A

Can Use In Place Of 170.90554107, 90554107. Same As WM778A, WM-778A, WM-778-A, Velvac 032086, 118181. 70 PSI. 1/4" NPTF Ports. Normally Closed Until 70 PSI Is Reached. Will Automatically Close If Pressure Drops Below 70 PSI. Does Not Include In-Line Filter. Same As Dayton AVWM778A, Williams WM778A.