... ’ UN Valve height (by the body top to tanks interface) 6-1 '/ 21, the control valve comprehensive performance(1) BLUEWATER control ... BLUEWATER control valves, all can choose no hard water bypass.6) side outfitLateral outfit is refers to the valve can be installed ... in tanks side, BLUEWATER control valves 6600, 6800, 7800, 8600 8800 all have ...