Multi-functional Flow Control Valve for
Water Treatment Systems
63518(Old Model No.: N77A1)
63618 (Old Model No.: N77A3)
53518(Old Model No.: N77B1)
Instruction Manual
Please read this manual in details before using the valve
and keep it properly in order to consult in the future.
0WRX.466.511
International Patent Public No.:
WO 2006/007772
China Patent No.: ZL02220153.X,
ZL200420062895.3
US Patent No.: 7549446
India Patent No.: 232582
Russia Patent No.:2349819
South Korea Patent No.:10-0914137
Mexico Patent No.: 268581
Australia Patent No.: 2005263257
Philippine Patent No.: 1-2006-502553
Taiwan Patent No.:M287896
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