Hayward Puresilk PS25 / HPSE25 Pool Chlorinator Cell (Genuine)

The Hayward Puresilk PS25 / HPSE25 Genuine Replacement Self-Cleaning Chlorinator Cell is designed for powerful and efficient chlorination in the Hayward Puresilk PS25 and HPSE25 pool chlorinators. The HPSE25 cell is identical to the PS25 cell.

With a robust 13 solid-plate design and a chlorine output of 25 grams per hour, this cell keeps pool water clear, sanitised, and safe for swimming.

Key Features

• Self-cleaning 13-plate design — reduces calcium buildup for low-maintenance operation and consistent chlorine production
• 25g/hr chlorine output — maintains pool cleanliness and water quality
• 100mm solid plate design — durable and compact
• Genuine Hayward part — not aftermarket
• 2-year manufacturer's warranty

Compatible Chlorinators

• Hayward Puresilk PS25
• Hayward Puresilk HPSE25 (identical cell)

Frequently Asked Questions

Is the PS25 cell the same as the HPSE25 cell?

Yes — the HPSE25 cell is identical to the PS25 cell. Both part numbers refer to the same genuine Hayward replacement cell.

How do I know when my chlorinator cell needs replacing?

Common signs include reduced chlorine output, the chlorinator displaying a cell fault or low output warning, visible scaling or damage to the plates, or pool water consistently testing low in chlorine despite the unit running. Most cells last 3–5 years depending on water chemistry and usage.

Is this a genuine Hayward cell?

Yes — this is a genuine OEM Hayward Puresilk replacement cell, not an aftermarket substitute. It comes with a 2-year manufacturer's warranty.

What is the chlorine output of the PS25 cell?

The PS25 cell produces 25 grams of chlorine per hour, suitable for pools up to approximately 75,000 litres depending on conditions.

Can I install the cell myself?

Yes — replacing a chlorinator cell is a straightforward DIY job. Turn off the chlorinator and pump, unscrew the cell from the housing, swap in the new cell, and restart. If you need guidance, call us on 02 9137 8914.

What warranty does the PS25 cell come with?

The genuine Hayward PS25 / HPSE25 replacement cell comes with a 2-year manufacturer's warranty.