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Does not read salt level* this product only fixes water flow and water temp issues with the intellichlor salt cells. Replaces: pentair intellichlor flow / temp Switch Model Number 520736 IC-20 & IC-40 Systems. If replacing this flow switch doesn't fix the salt cell problem, it is likely that the whole cell needs to be replaced.




Protect your salt and chlorine equipment! Quality assurance: 1 year quality service and 24 hours customer support, if you encounter any problems during use, please don't hesitate to contact us! A sealing tape, a rubber gasket and a Tee housing.
Then plug it into the telephone jack on the control panel. Package: a hayward flow switch with 15 feet of cable, the other end is a standard telephone connector. In just a few minutes, the ‘no flow’ indicator will extinguish.

Unplug existing old flow sensor, wrap enough tape and screw the switch into Run pump, do not overtighten it. Services we provide 1 year of quality service and consultation services, if you have any questions, please E-mail us, we will reply within 12 hours.
Just insert the two ends of the flow switch with cable into the correspondingly correct positions. Easy to install flow switch assembly has fewer integral parts and is easy to install.


Fits pentair interllichlor salt chlorinator Sanitizers Models Ic60, Ic40, Ic20, Ic15. Flow switch Replacement Kit. Also fits pentair easytouch Pool And Spa Automatic Control Systems.

1. Optimum Pool Technologies
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Optimum Pool Technologies Flow Switch Assembly Without Tee Replacement Kit for Hayward Salt Chlorine Generators
#adOptimum Pool Technologies #ad - Manufactured by Optimum Pool Technologies for long life. Arrow on switch indicates the direction of water flow, ensuring proper installation direction. Replaces model number: glxflorp, glx-flo-rp, opt-f/s, q-12dS-C2, GLX-FLO-HP.More information #ad
Replaces: all hayward/goldline flow switches. 15-foot cord: fits hayward and goldline saline generating systems: Aqua Rite, Swim Pure Plus, Pro Logic, Aqua Logic, and more!. Not compatible with Jacuzzi or any other Spa system.Brand | Optimum Pool Technologies #ad |
Manufacturer | Optimum Pool Technologies #ad |
Part Number | OPT-F/S |
More information #ad
2. Optimum Pool Technologies
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Optimum Pool Technologies Replacement Flow Switch for Pentair IntelliChlor IC20 & IC40 Salt Cell, Replaces 520736
#adOptimum Pool Technologies #ad - This doesn't read the salt level. Manufactured by optimum Pool Technologies. This will not fix a low salt reading. Please see product video for installation instructions.Does not read salt level* this product only fixes water flow and water temp issues with the intellichlor salt cells. Replaces: pentair intellichlor flow / temp Switch Model Number 520736 IC-20 & IC-40 Systems. If replacing this flow switch doesn't fix the salt cell problem, it is likely that the whole cell needs to be replaced.
More information #ad
Red and black/blue wires detect the flow, White and Green wires read temperature. 4 wire connection, arrow on switch indications the direction of water flow, ensuring proper installation. Refer to troubleshooting tips as well as wiring diagrams on this product page for product assistance.Brand | Optimum Pool Technologies #ad |
Manufacturer | Optimum Pool Technologies #ad |
Part Number | OPT-520736 |
More information #ad
3. Optimum Pool Technologies
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Optimum Pool Technologies Flow Switch Assembly with PVC Pipe Tee Replacement Kit for Hayward Salt Chlorine Generators
#adOptimum Pool Technologies #ad - Replaces model numbers: glxflo, q-12DS-C2, glx-flo-rp, glxflorp, OPT-F/S. Arrow on switch indicates the direction of water flow, ensuring proper installation.More information #ad
Replaces: all Hayward/Goldline flow switches. Manufactured by Optimum Pool Technoligies for long life. 15-foot cord: fits hayward and goldline saline generating systems: Aqua Rite, Aqua Logic, Swim Pure Plus, and more!.Brand | Optimum Pool Technologies #ad |
Manufacturer | Optimum Pool Technologies #ad |
Weight | 0.56 Pounds |
Part Number | OPT-FLO |
More information #ad
4. Optimum Pool Technologies
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Optimum Pool Technologies 2" Pipe Tee & 2 Unions Nut & Tailpiece Plumbing Kit for Hayward Goldline Salt System
#adOptimum Pool Technologies #ad - Flow switch not included. Pipe tee replaces hayward part no glx-flo-t. Unions replace hayward part No GLX-CELL-UNION. Pipe tee includes 1/2" threaded opening for the flow switch glxFLORP for your Hayward Goldline Salt System.More information #ad
Heavy duty pvc parts used for the installation of various Hayward/Goldline Salt systems into standard 2" Pool Plumbing. Kit includes 1 pipe tee and 2 Salt Cell Union, Nut and Tailpiece. Manufactured by Optimum Pool Technologies, made in USA.Brand | Optimum Pool Technologies #ad |
Manufacturer | Optimum Pool Technologies #ad |
Weight | 2 Pounds |
Part Number | OPT-PLM-KIT |
More information #ad
5. Optimum Pool Technologies
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Optimum Pool Technologies Heater Repair Kit for Pentair MasterTemp & Max-E-Therm, Replacement Thermistors & Switches
#adOptimum Pool Technologies #ad - Manufactured by Optimum Pool Technologies. All parts compatible with Pentair Master Temp & Max E Therm Pool Heaters. Kit includes: stack flue sensor, pressure Switch, thermistor, Hi Limit Switch 135°F & Gas Shutoff Switch 140°F.More information #ad
Replacements for part numbers: 42002-0024s, 42001-0053s, 42001-0060s 3902, 42002-0025s, 42001-0063S.Brand | Optimum Pool Technologies #ad |
Manufacturer | Optimum Pool Technologies #ad |
Part Number | OPT-MTP-KIT |
More information #ad
6. Sprance
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Flow Switch for Hayward Salt Chlorine Generator GLX-FLO-RP, Suitable for Hayward Salt System, with 15-Feet Cable,Flow Sensor with Tee Replacement Kit
#adSprance #ad - Sealing tape and rubber ring prevent leakage. Durability: pvc plastic paddles are corrosion-resistant. Easy to install: just screw the flow switch into the tee housing, align the direction of the water flow.Protect your salt and chlorine equipment! Quality assurance: 1 year quality service and 24 hours customer support, if you encounter any problems during use, please don't hesitate to contact us! A sealing tape, a rubber gasket and a Tee housing.
More information #ad
Hayward flow switch applicability: compatible with all hayward goldline salt chlorine generator systems Aqua Rite, Aqua Rite XL, Swim Pure Plus, Pro Logic, Mineral Springs MS10/MS11, Aqua Plus, H-40, Aqua Rite Pro, Aqua Logic, etc. Then plug it into the telephone jack on the control panel. Package: a hayward flow switch with 15 feet of cable, the other end is a standard telephone connector. In just a few minutes, the ‘no flow’ indicator will extinguish.
Brand | Sprance #ad |
Manufacturer | Sprance #ad |
More information #ad
7. Cooouds
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With 15-Foot Cable, Flow Switch Assembly GLX-FLO-RP for Hayward/Goldline Aquarite Salt Systems, Pool Flow Sensor Suitable for Hayward Salt Cell and Salt Chlorine Generator System
#adCooouds #ad - Glx-flo-rp replacement can be used with Hayward Goldline TurboCell Salt Chlorination Cell. Compatible this flow switch can compatible with the salt chlorine generator systems of Hayward and Goldline. One end is a standard Phone Jack Connection and it has a circle gasket and a round of tape.Unplug existing old flow sensor, wrap enough tape and screw the switch into Run pump, do not overtighten it. Services we provide 1 year of quality service and consultation services, if you have any questions, please E-mail us, we will reply within 12 hours.
More information #ad
It may only take 2 minutes to install. Accessories the water flow sensor has a 15-Foot Cable. Suitable modelsthe swimming pool flow switch suitable for the following hayward salt system:glxflorp, glx-flo-hp, smartpure, OPT-F/S, Aqua Logic, Mineral Springs MS10/MS11, H40, aqua rite xl, Aqua Plus, Aqua Rite compatible, Aqua Rite Pro, aqua plus, Mineral Springs, Q-12DS-C2, splashclear, SwimPurePlus, glx-flo-rp, Pro Logic, Splash SP-40. Just insert the two ends of the flow switch with cable into the correspondingly correct positions. Easy to install flow switch assembly has fewer integral parts and is easy to install.
Brand | Cooouds #ad |
Manufacturer | Cooouds #ad |
Warranty | We provide 1 year of quality service and consultation services. |
More information #ad
8. H2 Flow Controls
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H2 Flow Controls FV-C Control FlowVis 2 x 2.5in. Complete Pool Flow Meter and Check Valve
#adH2 Flow Controls #ad - Can be installed horizontally, vertically, upside down, and next to any elbow or other fitting. Installs in-line, no saddle Clamps or flat rubber seals to corrode and no calibration is ever required.More information #ad
Combined functionality of flow meter and check valve. Flowvis offers an average accuracy of 2. 01% between 20-110 gpm and is NSF certified to 50 PSI. Clear, easy to read scale in GPM or optional LPM with key Velocity points.Brand | H2 Flow Controls #ad |
Manufacturer | H2 Flow Controls #ad |
Height | 6 Inches |
Length | 6 Inches |
Weight | 1 Pounds |
Width | 4 Inches |
Part Number | B00SAP7SX4 |
Model | FV-C |
More information #ad
9. Pentair
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Pentair 520736 Flow Switch Replacement Kit Pool/Spa Sanitizer and Automation Control Systems,Grey
#adPentair #ad - Made by Harwil for Pentair. Three wire switches will work with four wire cells but four wire switches will not work with three wire cells. Country of Origin: United States.Fits pentair interllichlor salt chlorinator Sanitizers Models Ic60, Ic40, Ic20, Ic15. Flow switch Replacement Kit. Also fits pentair easytouch Pool And Spa Automatic Control Systems.
More information #ad
Per the manual included in the box for the 520736 switch; switches manufactured before September 2018 are four wires, switches manufactured after September 18th are three wires. Three wire cells were manufactured after September 2018. Customer purchasing asin b007ogublq / pentair part number 520736 need to reference the manual included with the part.Brand | Pentair #ad |
Manufacturer | Pentair #ad |
Height | 1 Inches |
Length | 1 Inches |
Weight | 0.01 Pounds |
Width | 1 Inches |
Part Number | 520736 |
Model | 520736 |
More information #ad
10. Optimum Pool Technologies
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Optimum Pool Technologies Replacement Filter Cartridge Kit for System 3 S7M120 300 sqft
#adOptimum Pool Technologies #ad - 4oz reemay material, a spunbond polyester filtration media made especially for its durability and cleanability. Abs injection molded full flow cores.More information #ad
Sta-rite system 3 s7m120 Modular Media Filter replacement filter cartridge kit. 25021-0200s and 25022-0201s replacements by Optimum Pool Technologies. Chemical resistant reinforced end caps.Brand | Optimum Pool Technologies #ad |
Manufacturer | Optimum Pool Technologies #ad |
Height | 20 Inches |
Length | 33 Inches |
Weight | 29 Pounds |
Width | 20 Inches |
Part Number | OPT-S7M120-Set |
More information #ad