Fleck valve LT-compact softener
26 models in this family, organized across 9 subfamilies. Representative models: Fleck 5600, Fleck 5600 SXT, Fleck 6700 XTR.
International brand dossier
Pentair Water Softeners
Pentair is a broad water equipment group whose water-treatment brands include control valves, softening components, filter housings and cartridges, pumps, membrane housings, and X-Flow membrane modules.
Its influence comes from installed-base breadth: many residential, commercial, industrial, and packaged water systems are designed around Pentair components, so selection often depends on service parts, controls, and compatibility as much as on the individual product rating.
Pentair Water Softeners's position in control valves is defined by product families such as Fleck valve LT-compact softener › Power, Fleck valve LT-compact softener › TWIN Softeners - one valve & two tanks softeners, Fleck valve LT-compact softener › High Performance Control Valve and Fleck valve LT-compact softener › Network Controller.The portfolio is best understood inside softening, filtration, residential and commercial pretreatment, small plant automation, and packaged treatment trains, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.
26
Indexed models
1
Product families
9
Subgroups
Product range and selection
How to choose Pentair Water Softeners Control Valves
This section answers two questions: which main product families Pentair Water Softeners offers, and which parameters to compare before choosing a specific model.
Step 1: Choose a product family by application
The main families shown on this page are Fleck valve LT-compact softener. Start with the treatment objective, equipment format, and operating duty, then use the model index below to compare exact specifications.
Step 2: Confirm the model by key parameters
After choosing a product family, compare service flow, regeneration logic, valve size, and controller function. Replacement projects should also verify installation or loading conditions, interfaces, and compatibility with the existing system; new projects should consider operating practice, maintenance, and spare-parts or consumables availability.
Product family overview
1 product family on this page.
Quick Model Index
Fast lookup for 26 indexed products
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Showing 26 of 26 models
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Fleck 5600
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 5 · Meter accuracy: +/- 5% for flow rates between 0.25 - 15 GPM · Height from top of tank: 7"
This is a Fleck 5600 mechanical control valve for water softeners and filters, featuring a non-corrosive, UV-resistant polymer body.
Fleck 5600 SXT
Fleck valve LT-compact softener › Power
CV (flow at 1 psi drop): 5.0 · Meter Accuracy Range: .25 - 15 GPM +/- 5% · Meter Capacity Range (gal.): 1 - 60,000
The Fleck 5600 SXT is a versatile control valve for water softeners and filters, featuring a large LCD and internal power backup.
Fleck 6700 XTR
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 5.2 · Meter capacity range: 1 - 9,900,000 gallons · Height from top of tank: 7-1/2"
The Fleck 6700 XTR is an advanced electronic control valve designed for water softeners and filters. This valve features a fiber-reinforced polymer construction.
Fleck 4650 (for hot water)
Fleck valve LT-compact softener › Power
Backwash flow rate (25 psi drop): 7 GPM · Continuous service flow rate (15 psi drop): 20 GPM · Peak flow rate (25 psi drop): 26 GPM
This Pentair Fleck 4650 is a lead-free brass time clock control valve designed for water softeners and filters, featuring hot water capability up to 180°F.
Fleck 1500
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 4.8 · Meter Accuracy: ±5% for 0.25 - 15 GPM · Height from top of tank: 6" - 12"
This is a Pentair Fleck 1500 residential control valve designed for water softener and filter applications.
Fleck 2750
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 6.8 · Working pressure: 20 - 125 psi · Hydrostatic pressure: 300 psi
The Fleck 2750 is a 1" control valve suitable for large residential and light commercial applications.
Fleck 2850
Fleck valve LT-compact softener › Power
Continuous flow rate: 51 GPM · Backwash flow rate: 49 GPM · Cv (flow at 1 psi drop): 13-1/5
This is a 1-1/2" Fleck 2850 control valve designed for commercial and industrial water softener applications. It features a lead-free brass body.
Fleck 2850 S
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 18 · Height from top of tank: 6-1/2" · Valve material: Lead-free brass\
The Fleck 2850 S is a 1.5" control valve designed for smaller commercial and industrial water softener and filter applications.
Fleck 2900 S
Fleck valve LT-compact softener › Power
Meter accuracy range: 3-150 GPM +/- 5% · Height from top of tank: 12" · Valve material: Lead-free brass
The Pentair Fleck 2900 S is a 2-inch lead-free brass control valve designed for water softeners and filters up to 36 inches in diameter.
Fleck 3150
Fleck valve LT-compact softener › Power
Meter Accuracy: 3 - 150 GPM +/- 5% · Height from Top of Tank: 10" · Temperature: 34° - 110°F
This Fleck 3150 is a 2" control valve designed for commercial or industrial water softener and filter applications. It features a lead-free brass construction.
Fleck 3900
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 65 · Temperature: 34° - 110° F · Meter accuracy: 7 - 300 GPM +/- 5%
The Fleck 3900 is a 3" control valve designed for single or multi-tank water softener systems. It features a lead-free brass valve body, fully adjustable 5-cycle control.
Fleck 9000
Fleck valve LT-compact softener › Power
Drain Line Connection: 1/2" NPT · Brine Line Connection: 3/8" · Pressure (Working): 20 - 125 psi
This Fleck 9000 is a residential twin tank control valve for water softeners with fully adjustable 5-cycle control and hot water capability.
Fleck 9500
Fleck valve LT-compact softener › Power
Cv (flow at 1 psi drop): 9.8 · Flow range: 1.5 - 75 GPM · Height from top of tank: 7-1/4"
The Fleck 9500 is a 1.5" twin tank control valve for water softener automation, featuring fully adjustable 5-cycle control and a lead-free brass valve body.
Fleck 9100
Fleck valve LT-compact softener › TWIN Softeners - one valve & two tanks softeners
Accuracy: +/- 5% · Height from Top of Tank: 7-3/10" · Water Softener Tank Diameter: 6" - 16"
The Fleck 9100 is a light commercial/residential twin tank control valve designed for continuous soft water supply.
TwinFlo SXT
Fleck valve LT-compact softener › TWIN Softeners - one valve & two tanks softeners
Cv (flow at 1 psi drop): 3.8 · Accuracy: .75 - 15 GPM +/- 5% · Capacity range (gal.): 1 - 999,900
The TwinFlo SXT is a residential twin tank control valve designed for automatic water softener operation, providing continuous soft water 24 hours a day.
ProFlo SXT
Fleck valve LT-compact softener › High Performance Control Valve
Cv (flow at 1 psi drop): 5.4 · Temperature: 34° - 110° F · Meter accuracy: .75 - 15 GPM +/- 5%
The ProFlo SXT is a high-performance control valve designed for automatic regeneration of water softeners and filters up to 16 inches in diameter.
3200 NXT
Fleck valve LT-compact softener › Network Controller
Selection cues: service flow · connection size · working pressure and control mode
The 3200NXT Network Controller is designed for automating and networking commercial water softener valves. It supports multiple system types and configurations.
3200 & 3210
Fleck valve LT-compact softener › Timer
Selection cues: service flow · connection size · working pressure and control mode
The 3200 & 3210 are electromechanical timer control valves designed for single or dual unit water softener configurations.
3214 NXT
Fleck valve LT-compact softener › Demand Flow Network Controller
Regenerant Flow: Downflow, Upflow Brine Draw First, Upflow Refill First · Transformer Output: 24 VAC (Pentair® Transformers)
The 3214 NXT Demand Flow Network Controller is designed for automating water softener systems, capable of networking two to four Fleck control valves.
Single Unit Controls
Fleck valve LT-compact softener › AquaMatic Stager Controls - 962 series
Memory Retention: Critical operating information is stored during power outages · Capacity Setting Lockout: Control can be programmed to lock the capacity value
This single unit control combines an AquaMatic Stager with an Autotrol 962 Series microprocessor-based control for water softeners and filters.
Logix 764
Fleck valve LT-compact softener › Multi Tank Controller Logix 764
Selection cues: service flow · connection size · working pressure and control mode
The Logix 764 is the newest control valve in the Pentair Water Logix Controller family, designed for both softener and filter applications.
Composite Vessels
Fleck valve LT-compact softener › Vessels
Maximum operating pressure: 150 psi · L: 4.1" · I.D: 4.0"
These composite fiberglass vessels are designed for commercial and industrial water treatment and storage applications.
FRP Vessels
Fleck valve LT-compact softener › Vessels
Maximum operating pressure: 150 psi
These FRP vessels are designed for residential and light commercial water treatment applications, offering flexibility and ease of handling.
Poly Glass Vessels
Fleck valve LT-compact softener › Vessels
Maximum operating pressure: 150 psi · Minimum burst pressure: 600 psi · Maximum operating temperature: 120°F
Pentair Poly Glass vessels are designed for residential and light commercial water softening and filtration applications.
Retention Vessela
Fleck valve LT-compact softener › Vessels
Maximum operating pressure: 75 psi · Maximum operating temperature: 120°F
These Retention Vessels are designed for chemical treatment applications, providing optimal contact time and constructed with FDA and/or NSF-approved materials.
Brand Products & Technical Documents
26 product profiles with integrated document access
Each card keeps the curated model introduction and combines the readable datasheet page, OEM PDF, and official source. Product understanding and document access now share one card set.
Fleck valve LT-compact softener
26 product profiles
AquaMatic Stager Controls - 962 series
Control Valves
Product profile
Single Unit Controls
This single unit control combines an AquaMatic Stager with an Autotrol 962 Series microprocessor-based control for water softeners and filters.
Demand Flow Network Controller
Control Valves
Product profile
3214 NXT
The 3214 NXT Demand Flow Network Controller is designed for automating water softener systems, capable of networking two to four Fleck control valves.
High Performance Control Valve
Control Valves
Product profile
ProFlo SXT
The ProFlo SXT is a high-performance control valve designed for automatic regeneration of water softeners and filters up to 16 inches in diameter.
Multi Tank Controller Logix 764
Control Valves
Product profile
Logix 764
The Logix 764 is the newest control valve in the Pentair Water Logix Controller family, designed for both softener and filter applications.
Network Controller
Control Valves
Product profile
3200 NXT
The 3200NXT Network Controller is designed for automating and networking commercial water softener valves. It supports multiple system types and configurations.
Power
Control Valves
Product profile
Fleck 5600
This is a Fleck 5600 mechanical control valve for water softeners and filters, featuring a non-corrosive, UV-resistant polymer body.
Control Valves
Product profile
Fleck 5600 SXT
The Fleck 5600 SXT is a versatile control valve for water softeners and filters, featuring a large LCD and internal power backup.
Control Valves
Product profile
Fleck 6700 XTR
The Fleck 6700 XTR is an advanced electronic control valve designed for water softeners and filters. This valve features a fiber-reinforced polymer construction.
Control Valves
Product profile
Fleck 4650 (for hot water)
This Pentair Fleck 4650 is a lead-free brass time clock control valve designed for water softeners and filters, featuring hot water capability up to 180°F.
Control Valves
Product profile
Fleck 1500
This is a Pentair Fleck 1500 residential control valve designed for water softener and filter applications.
Control Valves
Product profile
Fleck 2750
The Fleck 2750 is a 1" control valve suitable for large residential and light commercial applications.
Show remaining Fleck valve LT-compact softener / Power profiles (7)
Control Valves
Product profile
Fleck 2850
This is a 1-1/2" Fleck 2850 control valve designed for commercial and industrial water softener applications. It features a lead-free brass body.
Control Valves
Product profile
Fleck 2850 S
The Fleck 2850 S is a 1.5" control valve designed for smaller commercial and industrial water softener and filter applications.
Control Valves
Product profile
Fleck 2900 S
The Pentair Fleck 2900 S is a 2-inch lead-free brass control valve designed for water softeners and filters up to 36 inches in diameter.
Control Valves
Product profile
Fleck 3150
This Fleck 3150 is a 2" control valve designed for commercial or industrial water softener and filter applications. It features a lead-free brass construction.
Control Valves
Product profile
Fleck 3900
The Fleck 3900 is a 3" control valve designed for single or multi-tank water softener systems. It features a lead-free brass valve body, fully adjustable 5-cycle control.
Control Valves
Product profile
Fleck 9000
This Fleck 9000 is a residential twin tank control valve for water softeners with fully adjustable 5-cycle control and hot water capability.
Control Valves
Product profile
Fleck 9500
The Fleck 9500 is a 1.5" twin tank control valve for water softener automation, featuring fully adjustable 5-cycle control and a lead-free brass valve body.
Timer
Control Valves
Product profile
3200 & 3210
The 3200 & 3210 are electromechanical timer control valves designed for single or dual unit water softener configurations.
TWIN Softeners - one valve & two tanks softeners
Control Valves
Product profile
Fleck 9100
The Fleck 9100 is a light commercial/residential twin tank control valve designed for continuous soft water supply.
Control Valves
Product profile
TwinFlo SXT
The TwinFlo SXT is a residential twin tank control valve designed for automatic water softener operation, providing continuous soft water 24 hours a day.
Vessels
Control Valves
Product profile
Composite Vessels
These composite fiberglass vessels are designed for commercial and industrial water treatment and storage applications.
Control Valves
Product profile
FRP Vessels
These FRP vessels are designed for residential and light commercial water treatment applications, offering flexibility and ease of handling.
Control Valves
Product profile
Poly Glass Vessels
Pentair Poly Glass vessels are designed for residential and light commercial water softening and filtration applications.
Control Valves
Product profile
Retention Vessela
These Retention Vessels are designed for chemical treatment applications, providing optimal contact time and constructed with FDA and/or NSF-approved materials.
Control Valves
Product profile
ROmate Vessels
The ROmate Vessels are high-performance composite tanks for residential and light commercial reverse osmosis applications.