Pentair IntelliChlor Power Center (EC-520556)
Pentair IntelliChlor Power Center (EC-520556)

Pentair IntelliChlor Power Center (EC-520556)

Part Number: EC-520556
Availability: Call for more information.
Pentair IntelliChlor Power Center EC-520556
Warranty 60-Day / 1 Year Limited
The EC-520556 Pentair IntelliChlor Power Center replaces the power supply for IC20, IC40, and IC60 chlorine generator cells.

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Pool owner
Lasted for 8 years well enough, got 3 replacement cells out of it before it wouldn't power the cell anymore.
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Reviewed by:  from Bastrop on 9/3/2020
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Questions From Customers

Q: How can you tell if the Power Center is out?

Asked by: Bob - 11/15/2017
A: If the fuse is good on the unit, if you confirm it is getting good input power, and if the cell is connected and you are still not getting anything lighting up, then I might suspect the Power Center.
Was this answer helpful?  3 of 4 Customer(s) found this Answer helpful.
Answer provided by: Rich (11/15/2017)

Q: Is there a fuse in this that would need to be replaced if the light inside is ot green?

Asked by: [email protected] - 4/14/2017
A: Yes, there is a standard glass fuse on the bottom of the Pentair IntelliChlor power center. It is located in a black fuse-holder on the underside. You may also want to check your cell to make sure there is not any type of damage or debris in the cell that could be causing the fuse to pop.
Was this answer helpful?  0 of 1 Customer(s) found this Answer helpful.
Answer provided by: Carl (4/18/2017)

Q: Lights on cell went out , ow do i tell if its the power supply or the cell itself

Asked by: joe - 6/28/2022
A: Make sure there is good voltage going into the power supply, and make sure the fuse is replaced inside the power supply.
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Answer provided by: Steve (6/29/2022)

Q: i replaced the chlorinator but now i cant get fuse to go on in power center ,10 amp fuse is good why wont green light come on?

Asked by: frank radosevich - 11/6/2022
Give our support team a call for more immediate help with this question at 866-766-5243. No Answers have been submitted yet to this Question.


  • Rugged, dependable power supply / transformer is UL Listed and has quick connector for power supply cable.
  • Rated Amps (110V/220V): 2A / 1A
Unlike other salt chlorinators, the Pentair IntelliChlor controls are built-in to the electrolytic cell. Separate from the cell's built-in controls, this metal power supply box is meant to hang nearby on the wall, with a UL Listed internal transformer which supplies power to the cell through a 15' UL Listed cable. The power supply box gets connected to your pool equipment power source or timer.
Manufacturer 60 Day / 1 Year (with professional installation) Limited Warranty for residential use. Most manufacturer chlorine generator warranties are pro-rated. All warranties offered are provided by the relative manufacturer and are limited to the terms and proration they provide. See manufacturer's documentation for a full description of warranty terms and conditions.