Pentair IntelliSync Pool Pump Controller | EC-523404
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Pentair EC-523404 IntelliSync adds app control to compatible Pentair pumps. It connects to a 2.4 GHz Wi-Fi network and uses the appropriate wired pump communication cable. The controller supports pump-speed operation; available feedback and control depend on the pump model and production revision.
Brand: Pentair; Part number: EC-523404; Controller: IntelliSync; Capacity: Up to two supported pumps and two temperature sensors; Network: 2.4 GHz Wi-Fi; Power adapter: 120 VAC input to 12 VDC; Pump control: Speed / RPM; does not provide GPM flow control; Communication cables: Required; sold separately; Controller dimensions: 5-5/8 in. H × 7-7/8 in. W × 1-3/16 in. D; Product generation: Discontinued IntelliSync series
Are pump communication cables included? No. Choose the cable specified for the exact pump and manufacturing revision. Can it control gallons per minute? The IntelliSync guide specifies pump-speed control, not GPM flow control, including when paired with a supported VSF pump. Does it work with every Pentair pump? No. Check the supported-model list and connection method. IntelliFlo VF is excluded from Pentair’s compatibility guidance. Is installation entirely wireless? No. Wi-Fi connects the controller to the network, but the pump requires a compatible wired communication connection.
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Resources & PDF Downloads
IntelliSync Installation & Pump Compatibility Guide
IntelliSync Operation & App Guide
IntelliSync Product Overview
Description
Description
Pentair IntelliSync Pool Pump Controller | EC-523404
Pentair EC-523404 IntelliSync adds app control to compatible Pentair pumps. It connects to a 2.4 GHz Wi-Fi network and uses the appropriate wired pump communication cable. The controller supports pump-speed operation; available feedback and control depend on the pump model and production revision.
Check your pump before choosing a cable
The installation guide identifies supported IntelliFlo and SuperFlo-family models and their connection methods. Older digital-input pumps differ from RS-485 models. For SuperFlo equipment, the November 2, 2020 production change is relevant; inspect the pump label and connector rather than selecting a cable from the family name alone.
Set schedules with the right expectations
Use the Pentair Pool app to manage supported pump operation. Digital-input models use preset speeds configured at the pump, while supported communicating models provide different controls and feedback. IntelliSync supports speed commands on IntelliFlo VSF pumps; it does not turn this interface into a flow-rate controller.
Installation planning
Confirm network coverage at the mounting location, access to the correct outlet and a suitable route for the separate pump cable. The controller’s plug-in power supply does not eliminate pump communication wiring. Follow the appropriate diagram and commissioning steps for the exact pump.
Legacy product and cold-weather planning
Pentair identifies IntelliSync as discontinued. Confirm the required hardware and current app support before planning a new installation. Internet-based freeze functions depend on connectivity and external services; they do not replace proper winterization or site-specific freeze precautions.
Specifications
| Brand | Pentair |
|---|---|
| Part number | EC-523404 |
| Controller | IntelliSync |
| Capacity | Up to two supported pumps and two temperature sensors |
| Network | 2.4 GHz Wi-Fi |
| Power adapter | 120 VAC input to 12 VDC |
| Pump control | Speed / RPM; does not provide GPM flow control |
| Communication cables | Required; sold separately |
| Controller dimensions | 5-5/8 in. H × 7-7/8 in. W × 1-3/16 in. D |
| Product generation | Discontinued IntelliSync series |
Frequently asked questions
Are pump communication cables included?
No. Choose the cable specified for the exact pump and manufacturing revision.
Can it control gallons per minute?
The IntelliSync guide specifies pump-speed control, not GPM flow control, including when paired with a supported VSF pump.
Does it work with every Pentair pump?
No. Check the supported-model list and connection method. IntelliFlo VF is excluded from Pentair’s compatibility guidance.
Is installation entirely wireless?
No. Wi-Fi connects the controller to the network, but the pump requires a compatible wired communication connection.
Manuals and support
Specifications
Specifications
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SKU
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Product Type
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Power Source
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Dimensions5.63 in, 7.88 in, 1.19 in
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
- Pentair Warranty
- A&A (Pentair In-Floor) Warranty
- Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
- Paramount Warranty
- BlueSquare Warranty
- Hayward Warranty
- All Other Manufacturer Warranties
Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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