Astral Pool RolaChem RC9/RO9/RP9 Intelligent Gen 2 Chlorine Sensor/ORP Probe 525145 - Genuine Chlorinator Spare Part
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The Astral Pool 525145 ORP Probe (Intelligent Gen 2) is a genuine replacement chlorine sensor designed for use with RolaChem RC9, RO9, and RP9 dosing systems. It continuously monitors the oxidation-reduction potential (ORP), allowing precise and automated control of sanitiser dosing.
This Intelligent Gen 2 model offers improved reliability, plug-and-play communication with compatible controllers, and long-term stability under harsh pool conditions.
Installation Notes:
- Must be used with the pH Sensor Kit (520135)
- Sensor installs in the mixing cell before the chlorinator cell
- Ensure pool water is balanced before setup:
- pH: 7.2 – 7.6
- Total Alkalinity: 80 – 120 ppm
- Cyanuric Acid: below 30 ppm (for accurate ORP function)

| SKU | 525145 |
|---|---|
| GTIN | 9343609017460 |
| Barcode | 525145 |
| Package Length | 22 cm |
| Package Width | 11 cm |
| Package Height | 5 cm |
| Warranty | 1 Year |
| Brand | Astral Pool |
| Model | 525145 - ORP Probe - Intelligent Gen 2 |
| Product Type | Chlorinator Spare Part |
| Shipping Type | Standard |
Shipping
Same-day dispatch applies to orders received by 12.00 pm (AEST) during business days. Orders received after 12.00 pm and on weekends or public holidays will be dispatched on the next business day.
Delivery fees are $19.95 flat-rate per order Australia-wide, no matter how many products are in it. Orders containing bulky items like sand filters, acoustic boxes, heat pumps, pool covers, and pool slides may incur additional fees as they require specialized carriers.
Below are the estimated time to arrival in business days once an order is shipped.
| Destination | Sydney | NSW | VIC | QLD | SA | WA/NT |
|---|---|---|---|---|---|---|
| Business Days | 1 - 2 | 2 - 4 | 2 - 4 | 2 - 4 | 3 - 4 | 5 - 6 |
Rural and remote addresses, where delivery is not provided every day, may take longer.
Returns
Satisfaction Guarantee: If you are not satisfied with a product for any reason, you are welcome to return it to us for a full refund or exchange within 30 days of the purchase date - even if you have used the product. Returns are free, and we will cover return shipping.
We take full responsibility for the safe arrival of the products that you order from us. We will replace at our expense any product that arrives faulty, damaged during transit, or is the incorrect product. Click here for details
If you have any questions about our shipping policy or our return policy, please contact us on 1300 766 619 or through our contact us form.