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Compatible Piston Valves and Parts

COMPARE DIRECTLY TO FLECK’S PISTON VALVES AND REPLACEMENTS PARTS

Convenient replacement with fully compatible parts for the Fleck 5600, and other Fleck valves. 

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Piston Valve Compatibility Features

  • Drop-in valve replacement: Replace complete Fleck valves with familiar, compatible products—no adaptors needed

  • Fully compatible parts: Replace Fleck parts with compatible pistons, (downflow and hot-water compatible), brine valves, seals, spacers, injector assemblies, rebuild kits, turbine/paddle meters, port sizes, and more

  • Fully compatible programming: Supports 3-5 programmable cycles

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Piston Valve Key Features​

  • Efficient Regeneration: 
    • (HS & HL Series) Full down-flow regeneration capability, supporting either timered or metered systems. Compatible with 24 V actuators and extended meters for added flexibility
  • Quick installation and convenient maintenance:
    • (HL Series) Includes L-bracket for simple control head mounting and servicing
    • (HS & HL Series) Quick-connect drain with optional offset for easy alignment
  • Energy Smart: Highly efficient operation designed to minimize annual power draw, especially valuable in metered versions (e.g., Fleck’s 5600SXT) that can reduce salt and water use by around 40%
HS
HS
HL
HL
HD
HD
HDL
HDL

Fully adjustable piston valves for residential and light commercial use.

Our HD, HDL, HS, and HL piston valves are designed to deliver high performance and dependable operation in a variety of systems. These valves offer flexible installation options, improved construction, and are fully compatible as a direct replacement for the Fleck 5600—no adaptors or system modifications needed.

The HD and HDL digital valves feature intelligent preset reference mode, 3-button programming, and adjustable cycle settings. Their lightweight design includes a quick-connect drain with optional offset, and an automatic reset function with battery backup. Available in metered (programmable to extended metered) and filtered versions.

The HS and HL mechanical valves utilize proven down-flow regeneration technology with industry-compatible pistons, injectors, and seals/spacers. The HL model includes an L bracket design for easier installation and maintenance. These valves are highly efficient, reduce annual power usage, and are available with optional 24V motors and extended meters. All models include a quick-connect drain with optional offset to maximize installation flexibility.

Technical Specifications

HS/HL Spec Sheet
HD/HDL Spec Sheet

Piston Valve Parts Diagram

Compare to Fleck Piston Valve Replacement PArts

Find available piston valve replacement parts for water softener control valves, comparable to Fleck piston valve replacement parts as shown in the table below. Minimum order values and quantities apply. 

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Item No.Compare To Fleck Item No.DescriptionFleck Control Valve Compatable With
116011H-H\QUICK DISCONNECT DRAIN ELBOW BARB\
116018H-H18706YOKE; PLASTIC 1" NPT2510, 4650, 5000, ProFlo SXT, 5600, 5600SXT, 5800, 6700, 9000, 9100
116018HB-H18706-02YOKE; PLASTIC 3/4" NPT5600, 2510, 5810
116018HB-B-H18706-12YOKE; PLASTIC ¾" BSP\
116025H-116026H10913-2/10914-2INJECTORS BLUE-NOZZLE & THROAT1500, 1600, 2510, 2750, 2850, 2900, 4650, 5600, 5600SXT, 6600, 6700, 9000, 9500
116027H-116028H-H10913-1/10914-1MZ1 #1 THROAT & NOZZLE1500, 1600, 2510, 2750, 2850, 2900, 4650, 5600, 5600SXT, 6600, 6700, 9000, 9500
116027HW10225-1/10226-1#1 THROAT & NOZZLE, HOT WATER- stainless\
116032H-H124087.0 GPM DLFC; PISTON VALVE\
116035H-H12086BUTTON; 1.5\
116036H-H12087BUTTON; 2.0\
116037H-H12088BUTTON; 2.4\
116039H-H12090BUTTON; 3.5\
116040H-H120914.0 DLFC BUTTON\
116041H-H120925.0 GPM DLFC; PISTON VALVE\
116044H-H18818FILTER BASKET UPPER; GREY\
116044HB\FILTER BASKET LOWER; GREY\
1601K-H60102-00VALVE STANDARD PISTON ASSEMBLY4650, 5600
1601K-HW60102-031PISTON ASSEMBLY KIT, HOT WATER4650, 5600
1602K-H60125SEAL AND SPACER KIT4650, 5600, 5600SXT, 6600, 6700
1602K-HW60125-05SEAL AND SPACER KIT, HOT WATER4650,
1603K-H60032VALVE BRINE PISTON ASSEMBLY1600, 4650, 5000, 5600, 5800, 6600, 6700
1603K-HW60032-001BRINE PISTON ASSEMBLY, HOT WATER1600, 4650, 5000, 5600, 5800, 6600, 6700
1604K-H12638/13301/13302/13303VALVE MISC SEALS REPLACEMENT KIT
1604K-HW12638-01/13301-01/13302-01/13303-01SEAL REPLACEMENT KIT, HOT WATER
1605K-H60102-00/60125/60032/12638/13301/13302/13303VALVE MASTER KIT4650, 5600, 4650, 5600, 5600SXT, 6700, 1600, 4650, 5000, 5600, 5800, 6600, 6700, 5810, 5812
1606K-H60041SSBYPASS; 1" STAINLESS STEEL\
1606KB-H60040SSBYPASS; ¾" STAINLESS STEEL\
1606KB-HW\BYPASS; ¾" STAINLESS STEEL，HOT WATER\
1606P-H\BYPASS VALVE; PLASTIC; ¾” NPT ELBOW\
1607K-H60102-10FILTER PISTON ASSEMBLY-HYDROOER4650, 5600
1608K-H10218AUXILIARY SWITCH (HS/HL SERIES)1500, 2510, 2750, 2850, 2850S, 2900, 2900S, 3900, 600SXT, 6700
1611K-H60084-0031VALVE BRINE INJECTOR ASSEMBLY\
1613K-H13242ⅹ4PCSVALVE PISTON SEALS\
16STDM-H60086METER, STANDARD 56 SERIES WITH CABLE5600, 9000, 9100
16EXDM-H60087METER, EXTENDED 56 SERIES WITH CABLE\
24257273\STAINLESS STEEL; HS VALVE BODY\
24257274\STAINLESS STEEL; VALVE BASE; COLLAR\
24257274a\STAINLESS STEEL VALVE BASE ASSEMBLY\
24257276\STAINLESS STEEL;STAND-OFF\
D-STDM-H\METER; HD ELECTRIC VALVE\
D-STDM-H1\METER; HD ELECTRIC VALVE W/ LONG CABLE\
D-STDM-H-NC\METER; HD VALVE; NO CABLE, SCREWS, CLIPS\
D-TRANS-H1967424 V TRANSFORMER AND PLUG\
HY112570021324411257002 BRINE FITTING-3/8”\
HY1435700511842US POWER CABLE - HS SERIES\
HY1525701114176Valve Position Dial - Standard\
HY152570111301815257011 IDLER PINION5600
HY1525701213547RETAINER CLIP; POWER CABLE\
HY1525701313170GEAR, MAIN PISTON\
HY1525701413164GEAR, MAIN DRIVING1500, 2510
HY1525701513017GEAR, PASSIVE\
HY1525702419228 / 13305ⅹ2PCSMZ4/EZ4 COUPLING; WITH O-rings\
HY1525702513163INJECTOR BODY\
HY15257027\DRAIN CLIP; RETAINER LATCH, DRAIN\
HY1525703013497Air Disperser\
HY1525703113166STANDARD INJECTOR COVER\
HY1525705213509METER IMPELLER5600
HY1525705313821METER BODY\
HY152570551425315257055 SPRING RETAINER CLIP\
HY152570561383115257056 CLUTCH\
HY152570571383015257057 GEAR, CLUTCH PINION\
HY1525706113806PROGRAM WHEEL RETAINER\
HY1525706213802CYCLE ACTUATOR GEAR\
HY15257065\Straight Drain Fitting c/w O-ring\
HY15258018\15258018 VALVE BODY\
HY15258078\24V Transformer with light\
HY15457023\DUST COVER（ SS vavles, without printing ) \
HY15457023-1\DUST COVER （ SS vavles, with Hydro QuadSS printing ) \
HY15457023-2\DUST COVER （ SS vavles, with Hydro5 STS printing ) \
HY15457024\MZ5 BASE, POWER HEAD\
HY15457091\CHECK VALVE COUPLING; WITH ARROW\
HY1545712513700-10FILTER BASKET, UPPER FOR SS VALVE\
HY1625700213175Motor Mount Plate\
HY1625700519569METER MODULE CLIP; 5600 STYLE\
HY17357004\PCB BOARD, HD VALVE (EZ4)\
HY18258007\MOTOR,AC120V/60HZ/1/30RPM/CW\
HY192570024004624-HOUR TIME OF DAY LABEL\
HY192572301396918K hardness label\
HY2125700412281VALVE TANK ORING\
HY2125700513305ADAPTOR COUPLING ORING\
HY2125700713302O-RING; BRINE PISTON ASSY\
HY21257008\BRINE FITTING ORING\
HY2125701013303INJECTOR COVER ORING5810, 5812
HY2125701113301O RING; SMALL; INJECTOR\
HY2125701212638INJECTOR BODY ORING-LARGE\
HY2125701413847O RING FOR METER DOME; METER COVER\
HY21257259\O-RING for SS BASE, BIG\
HY21257260\O-RING for SS BASE, SMALL\
HY2125724211726SS BYPASS SEAL; BOOT\
HY234570281396124K hardness label\
HY234570311404832K hardness label\
HY23457032\42K hardness label\
HY2425700313300BALL\
HY242570041138424257004 SCREW, MOTOR\
HY242570061331224257006 SPRING, TIME SET\
HY242570071445724257007 SPRING, MAIN GEAR\
HY2425701413314METER MODULE CLIP SCREW; 5600 STYLE\
HY2425701813315INJECTOR BODY SCREW\
HY242570211865524257021 MOTOR PIN\
HY2425702513748SCREW, METER WHEEL\
HY242570261427624257026 CLUTCH SPRING\
HY24257036\IMPELLER SPINDLE\
HY24257250a14910FLOW METER CABLE/175mm\
HY3135701560405-10/13748/13806/13953STANDARD PROGRAM WHEEL ASSEMBLY\
HY3135701660405-20/13748/13806/1395331357016 EXTENDED PROGRAM WHEEL ASSEMBLY\
HY3135706660514BRINE CAM ASSEMBLY\
HY3135706719205-124 HOUR GEAR ASSEMBLY\
HY3135706860086STANDARD METER DOME ASSEMBLY4650, 5060
HY31357068a15452STANDARD METER DOME\
HY3135706960087EXTENDED METER DOME ASSEMBLY5600, 9000, 9100
HY31357069a15659EXTENDED METER DOME\
HY31357070\PISTON; HD VALVE\
HYCHECK\MECHANICAL VALVE CHECK VALVE KIT\
HYHK019-A\COUPLING WITH CHECK VALVE\
HYHK019-B\BRASS FITTING & FILTER WITH CHECK VALVE\
HYCHECK-I\MECHANICAL VALVE INLET AIR CHECK\
R0002\MONITOR METER REVERSE POLARITY\
R0007C19228-01ADAPTER COUPLING WITH SCREWS-SET\
RSL-01\LABEL; CWP ROYAL SOFT HD\
HYHK019-A\COUPLING WITH CHECK VALVE\
HYHK019-B\BRASS FITTING & FILTER WITH CHECK VALVE\
HY1525702419228 / 13305ⅹ2PCSMZ4/EZ4 COUPLING; WITH O-rings\
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