Eco-Matic M0657USA replacement salt cell for ESC24, ESC36 and ESC48 systemsEco-Matic Replacement Salt Cell ESC24/36/48, M0657USA In stock$71699
Eco-Matic M0657USA replacement salt cell for ESC24, ESC36 and ESC48 systems
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Eco-Matic Replacement Salt Cell ESC24/36/48, M0657USA

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$71699
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Quick overview

  • One cell, three systems Serves the ESC24/ESC7000, ESC36/ESC8000 and ESC48/ESC9000 salt systems.
  • Reverse polarity The cell reverses its polarity to shed scale from the plates during normal operation.
  • Blades included Supplied complete with the blades, not as a bare housing.
  • Part M0657USA The Eco-Matic replacement cell part number.
  • Restores chlorine output A cell that has lost its coating stops producing, no matter how good the salt level looks.
  • The wear part of the system Cells are consumable. The control box usually outlives several of them.
Full description and specifications ↓

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Product details

The M0657USA is the Eco-Matic reverse polarity replacement salt cell, supplied with blades. It covers three system pairs: ESC24 and ESC7000, ESC36 and ESC8000, ESC48 and ESC9000.

Why reverse polarity matters

Salt cells scale. Calcium builds on the plates, insulates them, and output falls. A reverse polarity cell flips the current across the plates on a cycle so that deposits lift and wash away with the flow, which means fewer acid baths and a cell that holds its output longer between services.

Cells are consumable

The plate coating wears out with use. When it does, chlorine production drops even though the salt level, the flow and the water balance all read correctly, and no amount of cleaning brings it back. That is the point at which the cell, not the control box, is replaced.

Before you order

Check your system model against the list. The same cell covers all six model designations above.

From Pool School

How to Clean a Salt CellHose first, acid only on scale that stays, and each manufacturer's own mix and time limit. Read When to Replace a Salt CellThe life each manufacturer prints, what looks like a dead cell and is not, and choosing the next one. Read Generic vs OEM Salt CellsWhat you can compare on paper between the original and another manufacturer's cell, and what you cannot. Read
Specifications
Brand Eco-Matic
Manufacturer part number M0657USA
Type Replacement salt cell
Technology Reverse polarity
Includes Blades
Fits ESC24/ESC7000, ESC36/ESC8000 and ESC48/ESC9000 salt systems
Shipping weight 2.95 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which systems does this cell fit?
The ESC24 and ESC7000, the ESC36 and ESC8000, and the ESC48 and ESC9000.
What does reverse polarity mean?
The cell periodically reverses the current across its plates. Scale that has built up on one side loosens and washes off, so the cell needs less manual acid cleaning.
Do the blades come with it?
Yes. The cell is supplied with blades.
How do I know the cell is finished?
Chlorine output falls off while salt level, flow and water balance all read normal, or the controller reports low output after cleaning. Plates that have lost their coating cannot be restored.
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