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Filter - Filter Part Numbers and Extensions

Understanding Water King’s Filter Numbering System     . Filter Part Numbers     Form of Part No. WWWXYY-Z where: WWW   Filter Vessel and Valve Configuration 919   FRF top mount fiberglass filters 929 FMF side mount steel tank filters 941   FVN (Valve Nest) steel tank filters 959   FMF-FG side mount steel tank filters X    Media Type 0   Less Media 3   Neutralizing Media - Calcite and GMO 4   Filter AG 5   Sand (0.45 to 0.55 mm) 6   Manganese Green Sand 7   Activated Carbon 8   Multi media YY   Filter Size (see price list for size designations) -Z   Extension to more completely define filter (see table below)   -Z Extensions for filter Part Numbers Part No. Extention Description Model No. Extention No of Tanks ERCd ERCt Flow Meters Secondary STND - no extension Single Filter Backwashing from time or remote signal -SX 1 X 1 X X -T Twin Filters Backwashing Sequentially from time or remote signal -T 2 X 2 X X -TX Triplex (three) Filters Backwashing Sequentially from time or remote signal -TX 3 X 3 X X -Q Quad Filters Backwashing Sequentially from time or remote signal -Q 4 X 4 X X All multiple tank filters (-T, -TX, -Q) will include cables to allow sequential backwash. Note: For multiple filters operating independently (not sequentially backwashed) based on time of day or individual remote initiation, order multiple (quantity 2, 3 or 4) standard filters with time (ERCt) controllers meaning no extensions.