Installer manual Fleck 9100 SXT - Table of Contents Table of Contents Generalities ..................Scope of the documentation ............... Release management ................. Manufacturer identifier, product ..............Intended use ....................Abbreviations used ..................Norms......................1.6.1 Applicable norms ....................1.6.2 Available certificates...................
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Installer manual Fleck 9100 SXT - Table of Contents 4.2.3 Resin exchange capacity and capacity of the unit ..........4.2.4 Valve configuration....................4.2.5 Cycle time calculation ..................Salt amount definition ................. 29 Injector flow rates ..................29 4.4.1 1650 injectors ......................
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Installer manual Fleck 9100 SXT - Table of Contents 6.5.6 Number of tanks (NT)..................6.5.7 Tank in service (TS) ..................... 6.5.8 Unit capacity (C)....................6.5.9 Filter capacity (V)....................6.5.10 Feedwater hardness (H)..................6.5.11 Reserve selection (RS) ..................6.5.12 Days override (DO)....................
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Installer manual Fleck 9100 SXT - Table of Contents 9.1.3 Regeneration test....................Recommended maintenance plan .............. 67 9.2.1 Valve used for softening..................Recommendations ..................69 9.3.1 Use original spare parts..................9.3.2 Use original approved lubricants................ 9.3.3 Maintenance instructions ................... Cleaning and maintenance................69 9.4.1...
Installer manual Fleck 9100 SXT - Generalities Generalities Scope of the documentation The documentation provides the necessary information for appropriate use of the product. It informs the user to ensure efficient execution of the installation, operation or maintenance procedures. The content of this document is based on the information available at the time of publication. The original version of the document was written in English.
Installer manual Fleck 9100 SXT - Generalities Intended use The device is intended for commercial applications use only and it is purpose-built for water treatment. Abbreviations used Assy Assembly BLFC Brine Line Flow Controller Brine Valve Cold Water Down Flow...
Pentair Quality System EMEA products benefit, under specific conditions, from a manufacturer warranty that may be invoked by Pentair’s direct customers. Users should contact the vendor of this product for applicable conditions and in case of a potential warranty claim.
Installer manual Fleck 9100 SXT - Generalities 1.10 Scan & Service application Scan & Service mobile application is the ideal support for the maintenance person in his daily business. A simple scan of an identification (ID) label (1) present on the valve with a smartphone gives an instantaneously access to all updated information related to the product, such as: •...
Installer manual Fleck 9100 SXT - Safety Safety Safety pictograms definition DANGER This combination of symbol and keyword indicates an imminently hazardous situation that will result in serious or fatal injury if not avoided. WARNING This combination of symbol and keyword indicates a potentially hazardous situation that can result in serious or fatal injury if not avoided.
Installer manual Fleck 9100 SXT - Safety Serial label location Model Part number Electrical rating Serial number Production date Production order Mandatory Ensure that the serial label and the safety labels on the device are completely legible and clean ! If necessary, replace them with new labels in the same positions.
Installer manual Fleck 9100 SXT - Safety 2.3.2 Material The following points must be observed to ensure proper operation of the system and the safety of user: • be careful of high voltages present on the transformer (100 – 240 V);...
Installer manual Fleck 9100 SXT - Description Protection rating. IP 22 Power supply 100 to 240 VAC, 50/60 Hz, 0.5 A, Class II Transient overvoltages within the limits of category II Pollution Degree Temporary overvoltages must be limited in duration and in frequency. Environmental conditions • Indoor use only;...
Installer manual Fleck 9100 SXT - Description Components description and location Controller LCD screen Regen button Up button Down button Motor Second tank adapter Tube assembly Mixing device Drain line Brine line Injector block Meter Inlet Outlet Ref. MKT-IM-004 / E - 06.10.2020...
Installer manual Fleck 9100 SXT - Description System regeneration cycle Info This valve allows to do down flow or up flow regenerations. 3.5.1 Downflow regeneration cycle (5-cycles operation) Service — normal use Untreated water is directed down through the resin bed and up through the riser tube. The hardness ions attach themselves to the resin and are removed from the raw water being exchanged on the resin beads by sodium ions.
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Installer manual Fleck 9100 SXT - Description SERVICE NORMAL USE BACKWASH Outlet Inlet Outlet Inlet Drain Valve Valve BRINE DRAW & SLOW RINSE RAPID RINSE Outlet Inlet Outlet Inlet Drain Drain Valve Valve From brine tank SERVICE BRINE TANK REFILL...
Installer manual Fleck 9100 SXT - Description 3.5.2 Upflow regeneration cycle (5-cycles operation) Service — normal use Untreated water is directed down through the resin bed and up through the riser tube. The hardness ions attach themselves to the resin and are removed from the raw water being exchanged on the resin beads against sodium ions.
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Installer manual Fleck 9100 SXT - Description SERVICE NORMAL USE BRINE DRAW & SLOW RINSE Outlet Inlet Outlet Inlet Drain Valve Valve From brine tank BACKWASH RAPID RINSE Outlet Inlet Outlet Inlet Drain Drain Valve Valve SERVICE BRINE REFILL NORMAL USE...
Installer manual Fleck 9100 SXT - Description Options available on the valve Mixing device The valve can be equipped with a mixing device (1) whose function is to regulate the hardness of the water at the outlet. The mixing can be set from 0% to 25% of hard water (e.i. 0 turn = 0% of hard water with 100% of treated water and 1-½...
Installer manual Fleck 9100 SXT - System sizing Depending on the inlet water hardness, the service velocity for standard softening must be between: Service velocity Inlet water hardness °f °dH [bed volume per hour] [mg/l as CaCO °TH 8 - 40 <350...
Installer manual Fleck 9100 SXT - System sizing = Fs × BV with: service max service : service flow rate [m service max : service velocity [BV/h] service BV: bed volume of resin [m Knowing this required volume of resin, it is possible now to determine the needed tank. Note that at least a third of the total volume of the tank must be kept as free space so that the bed expansion during backwash is sufficient to ensure correct cleaning of the resin.
Installer manual Fleck 9100 SXT - System sizing regeneration of the unit. From this data, determine the required backwash flow rate as well as the brine draw and slow rinse flow rate. In most cases, the fast rinse flow rate will be the same as the backwash flow rate, however for certain valve types the fast rinse flow rate will be the same as the service flow rate.
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Installer manual Fleck 9100 SXT - System sizing • the resin volume previously determined; • the salt amount used per regeneration; • the volume of water to use for backwash, brine draw, slow rinse and fast rinse. To calculate the backwash duration: = (N ×...
Installer manual Fleck 9100 SXT - System sizing To calculate fast rinse duration: The fast rinse is aimed at eliminating an excess of salt in the resin bed and also recompacting the resin in the tank. Depending on the valve type, the fast rinse flow rate is controlled by the DLFC or it has about the same flow rate as in service.
Installer manual Fleck 9100 SXT - Installation Installation CAUTION Risk of injury due to electrical shock or pressurized elements ! It is strictly forbidden for not qualified personal, to accede to system’s internal parts to perform any kind of technical action.
Installer manual Fleck 9100 SXT - Installation • keep the media tank in an upright position. Do not turn on its side, upside down, or drop it. Turning the tank upside down may cause media to enter the valve or might clog the upper screen;...
Installer manual Fleck 9100 SXT - Installation 5.3.4 Mechanical Caution - material Risk of damage due to wrong lubricant use ! Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based lubricants. Use only approved silicone grease or soapy water ! •...
Installer manual Fleck 9100 SXT - Installation Valve connection to piping The connections should be hand tightened using PTFE (plumber’s tape) on the threads if using the threaded connection type. In case of heat welding (metal type connection), the connections should not be made to the valve when soldering.
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Installer manual Fleck 9100 SXT - Installation • The diagrams above illustrate how the flexible piping connection should be mounted; • in order to adequately compensate the tank elongation the flexible tubes must be installed horizontally; • should the flexible piping connection be installed in vertical position, instead of compensating the elongation, it will create additional stresses on the valve &...
Installer manual Fleck 9100 SXT - Installation Block diagram and configuration example Block diagram Pressure gauge Main inlet User’s line Check valve to prevent water harm Filter cartridge By-pass Pressure regulator Meter Suggested options Can be integrated Drain line in the valve...
Installer manual Fleck 9100 SXT - Installation Regeneration flows Metered The controller monitors the volume of water used. Once it calculates that there is not enough capacity for the next operation day, a regeneration cycle will be initiated immediately or at a pre- set time: •...
Installer manual Fleck 9100 SXT - Installation Electrical connections W1: Black W2: Red W3: Green W4: Yellow W5: White W6: Blue W7: Orange W8: Violet c: Common NC: Normally closed NO: Normally open Transformer Ref. MKT-IM-004 / E - 06.10.2020...
Installer manual Fleck 9100 SXT - Installation Bypassing A bypass valve system should be installed on all water conditioning systems. Bypass valves isolate the softener from the water system and allow unconditioned water to be used. Service or routine maintenance procedures may also require that the system is bypassed.
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Installer manual Fleck 9100 SXT - Installation Caution - material Risk of damage due to over-force ! The drain line plastic elbow must always be hand-tighten without using the elbow as a lever. The drain plastic elbow is not designed to support the weight of the tube. The tube has to have its own support.
Installer manual Fleck 9100 SXT - Installation Air gap Drain 5.11 Overflow line connection In the event of a malfunction, the brine tank overflow fitting will direct “overflow” to the drain instead of spilling on the floor. This fitting should be on the side of the brine tank. Most brine tank manufacturers feature a pre-drilled hole for the tank overflow connector.
Installer manual Fleck 9100 SXT - Installation 5.12 Brine line connection Mandatory The brine line must be built with 3/8'' semi rigid piping ! Caution - material Risk of malfunction due to the use of wrong equipment ! Flexible and semi-flexible hoses may shrink because of the vacuum during brine draw.
Installer manual Fleck 9100 SXT - Programming Programming Display 1. Service icon • Appears in service mode; • Flashes if a regeneration cycle has been queued. 2. Error / • Appears in case of error, see Troubleshooting [ → Page 90], or in Information icon diagnostic mode, see.Diagnostic [...
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Installer manual Fleck 9100 SXT - Programming 3. Parameter Master programming and diagnostic modes: display • C: Unit capacity; • CD: Current day; • CT: Regeneration control type; • DF: Display format; • Dn, n=1 to 7: Day of week;...
Installer manual Fleck 9100 SXT - Programming 8. Programming • Appears in programming modes. icon Commands Info Menus are displayed in a defined and incremental order. If none of the buttons are pushed for 5 minutes in the Programming mode, or if there is a power failure, the controller returns to Service mode without saving.
Installer manual Fleck 9100 SXT - Programming 6.4.2 Day of override (DO) 1. Press simultaneously for 5 seconds to enter the menus sequence. 2. Select the number of days of override with 3. Press to validate the selection and advance to the next parameter.
Installer manual Fleck 9100 SXT - Programming 6.5.1 Master programming mode chart Parameter Options Definition Note Display format US units Metric units Regeneration dF1b Std DF single Standard for 9000 Twin valve flow backwash dF2b Std DF double backwash FLtr Filter To be used with standard piston only.
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Installer manual Fleck 9100 SXT - Programming Parameter Options Definition Note Fixed reserve 0 to 50 Only displayed for volumetric capacity regenerations and if set in reserve selection. Days override 0 to 99 Regeneration 00:00:00 to Hour Regeneration time will not appear...
Installer manual Fleck 9100 SXT - Programming 6.5.2 Entering master programming mode 1. Press and hold until the programming icon replaces the service icon and the parameter display reads TD. 2. Set the time to 12:01 PM with 3. Press to validate the selection and return to the service mode, or wait for 10 seconds.
Installer manual Fleck 9100 SXT - Programming Mandatory Due to the usage of twin tanks, set regeneration control type to meter immediate. 1. Press to select FI. 2. Press to validate the selection and move to the next parameter. 6.5.6 Number of tanks (NT) Select the number of tanks.
Installer manual Fleck 9100 SXT - Programming 6.5.9 Filter capacity (V) Set the filter capacity. Info The filter capacity parameter is only available if the regeneration flow has been programmed for filter. The filter capacity can be set from 0.1 to 9’999 x1’000 Ltr if DF = Ltr or from 1 to 9’999 -> 1 to 9’999 x1’000 grains if DF = GAL.
Installer manual Fleck 9100 SXT - Programming 1. Press to set the reserve type. 2. Press to validate the selection and move to the next parameter. 6.5.11.2 Reserve capacity (RC) Info This parameter is not shown if RS is set to SF.
Installer manual Fleck 9100 SXT - Programming Info Setting a cycle step to 0 will cause the controller to skip that step during regeneration, but keeps the following steps available. The different regeneration cycles are listed in sequence based on the regeneration flow selected for the system.
Installer manual Fleck 9100 SXT - Programming 6.5.16 Current day (CD) Set the current day. Info The current day is defined from D1 (Monday) to D7 (Sunday). 1. Press to set the current day. 2. Press to validate the selection and move to the next parameter.
Installer manual Fleck 9100 SXT - Programming Diagnostic Info Depending on current settings, some displays cannot be viewed. If none of the buttons are pushed for 1 minute in the diagnostic mode the controller returns to Service mode. 6.6.1 Commands 1. Press and hold for five seconds to enter the diagnostic mode.
Installer manual Fleck 9100 SXT - Programming 6.6.5 Volume since last regeneration (VU) Info Shows the volume used since the last regeneration (L). 1. Volume since last regeneration display (L or Gal depending on display format programmed): 6.6.6 Reserve capacity (RC) Info Shows the remaining reserve volume until next regeneration (L).
Installer manual Fleck 9100 SXT - Programming 6.7.2 Hard reset (HR) 1. Hold while powering up the unit. 2. The display shows HR. 3. Reprogram all parameters in Master programming mode. 58 / 108 Ref. MKT-IM-004 / E - 06.10.2020...
Installer manual Fleck 9100 SXT - Commissioning Commissioning Info This chapter is available for standard regeneration flows. Contact your supplier if the actual regeneration is not standard and if you need assistance. Water filling, draining and waterproofness inspection 1. With the bypass still in bypass position (inlet and outlet of the valve closed), plug in the SXT controller to the power source.
Installer manual Fleck 9100 SXT - Commissioning 14. Fill the brine tank or cabinet with salt. You may want to mark the level of water in the brine tank/cabinet when completely refilled with water and full of salt. In the future, after each regeneration, you can visually control that the quantity of water refilled should be between the 2 marks done.
Installer manual Fleck 9100 SXT - Commissioning Do not let the disinfectant stand for more than 3 hours in the brine tank before the regeneration start. Dosage Measure two grains ~ 0.11 mL for 1 L. Brine tank softeners Backwash the softener and add the required amount of hypochlorite to the well of the brine tank.
Installer manual Fleck 9100 SXT - Operation Operation Display 8.1.1 Display during operation Examples: • Valve in service with day time: • Valve in service with volume remaining before regeneration: • Remaining days before next regeneration: • In volumetric regeneration flow, reserve 1223 litres remaining: •...
Installer manual Fleck 9100 SXT - Operation Recommendations • Use only regeneration salts designed for water softening in accordance with EN973; • for optimal system operation, the use of clean salt, free from impurities, is recommended (for example salt pellets);...
Installer manual Fleck 9100 SXT - Operation Operation during a power failure • Current valve position, cycle step time elapsed, and time of day is stored 24 hours during a power failure, and will be restored upon power restoration; • in regeneration, when power is shutting down, the controller saves the current regeneration data.
Installer manual Fleck 9100 SXT - Maintenance Maintenance Mandatory Cleaning, maintenance and service operation shall take place at regular intervals and must be done by qualified personnel only in order to guarantee the proper functioning of the complete system. Report maintenance done in the Maintenance chapter of the User Guide document.
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Installer manual Fleck 9100 SXT - Maintenance 3. Initiate regeneration test. ð Check brine draw during brine draw stage. ð Check brine tank refill. ð Check operation of safety brine valve, where fitted. ð Check for brine draw off levels.
Installer manual Fleck 9100 SXT - Maintenance Recommended maintenance plan 9.2.1 Valve used for softening Items 1 year 2 year 3 year 4 year 5 year Injector & filter Clean Clean Clean Clean Clean/ replace if necessary BLFC*** Clean Clean...
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Installer manual Fleck 9100 SXT - Maintenance Items 1 year 2 year 3 year 4 year 5 year Valve Check Check Check Check Check watertightness Valve to piping Check Check Check Check Check watertightness * Wear parts - durability strongly affected by raw water quality and regeneration frequency.
Installer manual Fleck 9100 SXT - Maintenance Recommendations 9.3.1 Use original spare parts Caution - material Risk of damage due to use of non-genuine spare parts ! To ensure correct operation and safety of the device, only use original spare parts and accessories recommended by the manufacturer.
Installer manual Fleck 9100 SXT - Maintenance 9.4.2 Controller motor replacement 1. Loosen the wheels (1) and open the valve cover (2). 2. Disconnect the motor (4). 3. Unscrew (5) and pull out the old motor (4) and the plate (3).
Installer manual Fleck 9100 SXT - Maintenance 9.4.3 Controller replacement 1. Loosen the wheels (1) and open the valve cover (2). 2. Push the controller (3). 3. Press the controller clips (5) and open the controller cover (4). 4. Disconnect the old controller (7) and remove it opening the card clips (6).
Installer manual Fleck 9100 SXT - Maintenance 9.4.4 Power head disassembly/replacement 1. Loosen the wheels (1) and open the valve cover (2). 2. Push the controller (3). 3. Using a 7 mm wrench or flat screwdriver, unscrew (4) to free the meter cable (5) and the controller (3).
Installer manual Fleck 9100 SXT - Maintenance 9.4.5 Upper piston and/or seal and spacer kit replacement Caution - material Risk of damage due to wrong lubricant use ! Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based lubricants. Use only approved silicone grease or soapy water ! 1.
Installer manual Fleck 9100 SXT - Maintenance 9.4.6 Lower piston and/or front side seal and spacer kit replacement Caution - material Risk of damage due to wrong lubricant use ! Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based lubricants.
Installer manual Fleck 9100 SXT - Maintenance 9.4.7 Back side seal and spacer cartridge replacement 9.4.7.1 Special tools needed Item Part number Description Packaging quantity 13601 Puller 12763 Stuffer 78 / 108 Ref. MKT-IM-004 / E - 06.10.2020...
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Installer manual Fleck 9100 SXT - Maintenance 9.4.7.2 Valve produced before November 2009 Info The seal & spacer cartridge for downflow and upflow are different. Caution - material Risk of damage due to wrong lubricant use ! Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based lubricants.
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Installer manual Fleck 9100 SXT - Maintenance 9.4.7.3 Valve produced from November 2009 until April 2015 Info The seal & spacer cartridge for downflow and upflow are different. Upflow valves still have the two pieces end cap and requires all the seals.
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Installer manual Fleck 9100 SXT - Maintenance 9.4.7.4 Valve produced after April 2015 Caution - material Risk of damage due to wrong lubricant use ! Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based lubricants. Use only approved silicone grease or soapy water ! 1.
Installer manual Fleck 9100 SXT - Maintenance 9.4.8 Micro-switches replacement 1. Loosen the wheels (1) and open the valve cover (2). 2. Unscrew (4) and pull out the old micro-switches (3). 3. Disconnect the micro-switches (3). 4. Change the micro-switches (3).
Installer manual Fleck 9100 SXT - Maintenance 9.4.9 Injector cleaning 1. Remove the screws (1). 2. Remove the injector block (2) and the spacer (3). 3. Remove the o-rings (4) and (5). 4. Remove the cap (6). 5. Remove the injector filter (10) and clean it immersing it in limescale.
Installer manual Fleck 9100 SXT - Maintenance 9.4.10 BLFC cleaning 1. Using a wrench, remove the BLFC holder (1). 2. Using pliers, remove the grid (4) from BLFC holder (1). 3. Remove the BLFC washer (3) from the grid (4).
Installer manual Fleck 9100 SXT - Maintenance 9.4.11 Valve on tank assembly 1. Lubricate the seals with approved silicone grease. 2. Spin the valve (1) onto the tank (2), ensuring the threads are not cross-threaded. 3. Rotate the valve (1) clockwise and freely, without using force until it comes to a stop.
Installer manual Fleck 9100 SXT - Troubleshooting Troubleshooting Problem Cause Solution Softener fails to Interrupted power or switched off Restore the controller and regenerate automatically power source. connect to constant power source. Disconnected/faulty meter cable. Check connections in the power head and on the meter cover.
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Installer manual Fleck 9100 SXT - Troubleshooting Problem Cause Solution Resin loss through drain Top distributor missing or broken. Add or replace the top distributor. line Air in water system. Ensure the presence of air check system in the brine tank.
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Installer manual Fleck 9100 SXT - Troubleshooting Problem Cause Solution Softener fails to draw Plugged drain line flow control. Clean drain line flow control. brine Plugged injector and/or filter. Clean or replace injector and/or filter. Low water pressure. Raise inlet pressure to 1.8 bar minimum.
Installer manual Fleck 9100 SXT - Troubleshooting 10.1 Error detection Errors codes appear on the service display. Info It can take up to 1 minute before an error can be detected and displayed. 10.1.1 Motor stall/cam sense error Info The valve drive takes more than 6 minutes to go to the next regeneration cycle and the board hasn’t received expected signals from microswitches.
Installer manual Fleck 9100 SXT - Troubleshooting 10.1.2 Motor run-ON error/cycle sense error Info The valve performed an unforeseen cycle. This error message is only valid until controller version 2.6. 1. Unplug the unit and plug back in. Allow the controller to attempt to find position again.
Installer manual Fleck 9100 SXT - Troubleshooting 10.1.4 Memory error Info The controller board has a memory failure. 1. Perform a master reset. 2. Reconfigure the system via master programming mode. 3. Step the valve through a manual regeneration. 4. If the error reoccurs, unplug the unit.
Installer manual Fleck 9100 SXT - Spare parts and options Spare parts and options 11.1 Valve parts list Info The sizes for injector, drain line flow control and brine line flow control have to be specified. Item Part number Description...
Installer manual Fleck 9100 SXT - Spare parts and options Item Part number Description Packaging quantity 40422SP Wire Nut Tan 19121-01SP Electronic Meter Cable 0.47m 19121-02SP Meter cable ET 0.5 m 19121-08SP Electronic Meter Cable 0.91m BF 19791-02SP Turbine Meter 0.750m Cable Assy...
Installer manual Fleck 9100 SXT - Spare parts and options 11.6 Distribution systems parts list Item Part number Description Packaging quantity 27827 Distributor assy, 1” high flow 1 m 10 25645 Distributor assy, 1” high flow 1 m 95 27828 Distributor assy, 1” UF & high capacity 1 m 10 BU28648 Distributor tube, 1”...
Installer manual Fleck 9100 SXT - Spare parts and options 11.7 Second tank adapter parts list Item Part number Description Packaging quantity 28242 Second Tank Adapt Assy 9100 2 + 8 29104 Kit mounting/adpater clips & screws residential/9000/9100 15078-01 Coupling assy 9000...
Installer manual Fleck 9100 SXT - Spare parts and options 11.8 Air checks list Item Brine Part Description Packaging system number quantity 1600 18168 Air checks 500A, 915mm (36") 1600 26773 Air checks 500A, 1m25 11.9 Meters parts list Item...
Installer manual Fleck 9100 SXT - Spare parts and options 11.10 CE compliance parts list Item Part number Description Packaging quantity 18280SP Top distributor 1” grey 18280-02SP Top distributor 1” narrow slots red 24242 Second Tank Adapt Assy 9100 19291-020...
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