Hayward Puresilk PS45 Pool Chlorinator Cell (Genuine)

The Hayward Puresilk PS45 / HPSE45 Genuine Replacement Self-Cleaning Chlorinator Cell is designed for powerful and efficient chlorination in the Hayward Puresilk PS45 and HPSE45 pool chlorinators. The HPSE45 cell is identical to the PS45 cell.

With a robust 13 solid-plate design and a chlorine output of 45 grams per hour, this cell is suited to large residential pools requiring maximum chlorine production.

Key Features

• Self-cleaning 13-plate design — reduces calcium buildup for low-maintenance operation and consistent chlorine production
• 45g/hr chlorine output — suited to large residential pools
• 100mm solid plate design — durable and compact
• Genuine Hayward part — not aftermarket
• 2-year manufacturer's warranty

Compatible Chlorinators

• Hayward Puresilk PS45
• Hayward Puresilk HPSE45 (identical cell)

Frequently Asked Questions

Is the PS45 cell the same as the HPSE45 cell?

Yes — the HPSE45 cell is identical to the PS45 cell. Both part numbers refer to the same genuine Hayward replacement cell.

What is the difference between the PS25, PS35 and PS45 cells?

The PS25 produces 25g/hr of chlorine and suits pools up to approximately 75,000 litres. The PS35 produces 35g/hr for larger pools. The PS45 produces 45g/hr and is suited to the largest residential pools. Choose based on your pool volume and chlorinator model.

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.

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 PS45 cell come with?

The genuine Hayward PS45 / HPSE45 replacement cell comes with a 2-year manufacturer's warranty.