Specifications
Model 6521FR freeze-resistant valve system for use with single bubbler wall mounted fountains shall include a brass pneumatic operated valve, waste assembly designed to drain water left in supply line to fountain, regulator valve, insulated galvanized steel mounting box installed on interior wall where temperatures maintain a minimum of 50® F (10® C), self-regulating .4 gpm (1.5 L) flow control, 1/2" IPS supply, and 1-1/4" IPS trap.