Zodiac eXO iQ pH Large Self-Cleaning Salt and Mineral Pool Water Chlorinator w/ WiFi, Timer & Battery Backup
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Smarter chlorination. Balanced automatically.
The Zodiac eXO iQ pH Large Chlorinator takes the next step in pool water care by integrating a premium-grade pH sensor and automatic acid dosing system, alongside all the features of the standard eXO iQ model.
Ideal for pools up to 100,000L, it delivers consistent chlorine generation using salt or mineral blends, while actively monitoring and adjusting pH levels to keep your water chemistry perfectly balanced. The long-life RP self-cleaning cell ensures season-after-season performance with minimal maintenance.
Full WiFi connectivity via the iAquaLink app, variable speed pump integration, and optional pool lighting automation make this a future-ready chlorinator for serious convenience.
Why Choose the Zodiac eXO iQ pH Chlorinator?
Long-Life RP Cell
These upgraded, self-cleaning cell plates provide extended life and excellent chlorine production performance, season after season.
Multi-Colour Light Control
Take control of your pool lighting from the chlorinator or your phone. Works with single-colour or Zodiac multicolour lights. Requires optional WW000222 relay box.
Salt or Mineral Switcher
Compatible with both traditional pool salt and mineral salt blends – enjoy versatile water care with softer, more luxurious pool water.
Pool Cover Mode
When connected to an automatic pool cover, the eXO iQ intelligently reduces chlorine output to your preset level for optimal efficiency.
Top Benefits:
iAquaLink Enabled
Features built-in WiFi for full control via your smartphone. Adjust settings, activate Boost Mode, or check system status anytime, anywhere using the iAquaLink app.
Automated Water Chemistry Control
The eXO iQ pH actively monitors your pool’s acidity levels and precisely injects acid as needed to maintain perfect balance.
Smart Temperature Sensor
Automatically adjusts chlorine output in cold water to minimise cell wear, helping extend lifespan and reduce maintenance costs.
Variable Speed Pump Control
Communicates directly with RS485-compatible Zodiac pumps to manage speeds and run schedules efficiently – saving energy while optimising filtration.
Key Features:
- Built-in WiFi with iAquaLink App Control – Adjust settings, activate Boost Mode, or monitor your pool from anywhere.
- Integrated WiFi Chip – No external antenna required; seamless remote access and automatic updates.
- Intuitive Menu with Display – Easy-to-use interface with on-screen alerts and dedicated buttons for LOW and BOOST modes.
- Smart Temperature Sensor – Automatically regulates chlorine output in cold water to prevent unnecessary cell wear.
- Long-Life RP Self-Cleaning Cell – Ultra-durable plates with up to 15,000 hours lifespan for long-term performance.
- Variable Speed Pump Compatibility – Direct RS485 control of Zodiac variable speed pumps for precise energy-efficient operation.
- Salt or Mineral Salt Compatible – Supports both standard pool salt and mineral blends like MagnaPool.
- Dual Timer Function – Independent timers for filtration and chlorination cycles.
- Boost Mode – Delivers 100% chlorine output for 24 hours when rapid sanitisation is needed.
- Low/Cover Mode – Reduces output automatically when the pool is covered or under low-use conditions.
- Automated pH Regulation – Monitors and doses acid as required using an integrated pH sensor and peristaltic pump to keep water perfectly balanced.
- Light & Heater Control Ready – AUX2 terminal enables switching of lights or heating (Relay Box WW000222 required).
Technical Specifications:
| eXO iQ pH MID | eXO iQ pH LARGE | |
|---|---|---|
| Recommended pool size | 75,000L (mild climates; adjust for cooler or hotter conditions) | 100,000L (mild climates; adjust for cooler or hotter conditions) |
| Recommended salinity | Ideal range: 4,000ppm Acceptable: 3,500–10,000ppm Minimum: 3,300ppm | |
| Cell output | 25 gram/hour | 35 gram/hour |
| Operating modes | Normal Mode: Adjustable in 10% increments from 0% to 100% Low Mode: Adjustable range 0% to 30% Boost Mode: Continuous 100% output for 24 hours Cover Mode: Adjustable 0% to 30% when connected to compatible pool cover | |
| Plumbing capacity | 40mm and 50mm (includes glue-in unions and reducers) | |
| Equipment control | Filter Pump: Compatible with single-speed or RS485 variable-speed Zodiac pumps Heater: AUX2 terminal allows heat control and priority setting (via iAquaLink or chlorinator menu) Lights: Supports single colour or Zodiac/Jandy multicolour lights (Requires optional relay box – WW000222) | |
| Cell protection | Smart temperature sensor reduces output in cold water to protect the cell | |
| Warning indicators | "Low Salt": LED warning and reduced output "No Flow": Halts production when flow conditions are inadequate | |
| pH Control | Built-in premium pH sensor and peristaltic acid dosing pump for automatic pH regulation | |
| Cell lifespan | Up to 15,000 hours (depends on water chemistry and care) | |
| Power supply | 196 W / 110–240 VAC / 50–60 Hz | |
| Nominal output amps | 5.0 A | 7.2 A |
| Protection index | IP43 | |
| Min. flow rate | 80 Lpm | |
| Max pressure in the cell | 2.75 bar | |
| Operating water temperature | 10°C – 40°C | |
| Warranty | 3 years (3 years or 6000 running hours, whichever comes first.) 2 years on pH and ORP sensors 1 year on peristaltic pump, tubing, injector valve, and accessories | |
| Control unit dimensions | H 364mm × W 315mm × D 96mm | |
| Cell dimensions | H 155mm × W 320mm × D 110mm | |
Easy Installation & Maintenance
- Simple Setup: Installs horizontally with correct flow orientation (cell inlet near the electrical lead). Fits 40mm or 50mm PVC pipes.
- Low Maintenance: Automatic self-cleaning reduces calcium build-up. For periodic manual cleaning, use Salt Chlorinator Cell Cleaner or a safe 1:10 hydrochloric acid solution. Refer to the user manual for full instructions.
- Water Chemistry Matters: Maintaining proper chemical balance is essential to protect the chlorinator cell and maintain warranty coverage.
| Parameter | Australian Standard | Ideal Range | How to Increase | How to Decrease | Testing Frequency (Peak Season) |
|---|---|---|---|---|---|
| Free Chlorine (ppm) | 1 – 3 | 1 – 3 | Add chlorine or increase equipment output | N/A | Weekly |
| pH | 7.2 – 7.8 | 7.4 | Add buffer or soda ash (sodium carbonate) | Add muriatic acid | Weekly |
| Total Alkalinity (ppm) | 60 – 200 | 80 – 140 | Add sodium bicarbonate | Add muriatic or dry acid | Weekly |
| Calcium Hardness (ppm) | 100 – 400*** | 90 – 300 | Add calcium chloride | Partially drain and refill pool* | Weekly |
| Cyanuric Acid (ppm) | up to 50 | up to 50 | Add cyanuric acid | Partially drain and refill pool* | Weekly |
| Salt Level (ppm) | 4000 – 7000 | 4000 at 27ºC | Add salt or minerals** | Partially drain and refill pool* | Monthly |
| Metal | N/A | < 0.10 ppm | N/A | Use 'Metal Remover' | Monthly |
* Fill pool with water from the mains water supply. Do not use rain water or well water.
** Do not add salt directly into the skimmer. Do not initiate electrolysis until salt has fully dissolved.
*** Reading is True Calcium Hardness, not Total Hardness.
- Winterising Tips: In colder months (<18°C), reduce chlorinator output and use the Zodiac Winteriser Pool Pack to prevent algae, clarify water, and protect the cell. For passive winterising, power down and fully drain the system.
In The Box – Complete eXO iQ pH Large System
Salt Chlorinator System
- a. Controller
- b. Temperature Sensor (R0823900)
- Wall Mount Support (R0821100)
- c. Wall Mount Bracket
- d. Wall Mount Screws Ø7 mm (X2)
- e. Wall Mount Anchor (X2)
- f. Electrolytic Cell (W197441)
- g. Unions (X2) (R0738200)
- h. Glue on Adapter (X2) (R0738300)
- i. Adapter O-Rings (X2) (R0737700)
- j. Pipe Reducer - White (X2) (R0770300)
- k. Zip Ties (X7) - (not shown)
Water Care pH Link Module
- a. pH Link Module
- b. POD Housing Upper
- c. POD Housing Lower
- d. 40 mm Pipe Adapter
- e. POD Cap
- f. Cap Plug (x2)
- g. pH Injector Valve
- h. Hole Saw and Hex Key
- i. Compression Fitting
- j. Ceramic Weight
- k. 6 mm Tube (5 m)
- l. Acid Cap – 5 L
- m. Acid Cap – 15/20 L
- n. Locking Collar
- o. Locking Collar Tool
- p. pH Sensor
- r. Sensor Holder
- pH Buffer Solutions:
pH 4 (x3), pH 7 (x3) – not shown
Trusted Australian Excellence
Zodiac is a name trusted by thousands of Australian pool owners. Known for innovation, reliability, and long-term value, Zodiac chlorinators are designed for tough Aussie conditions. The eXO iQ delivers smart automation, premium features, and long-life performance – all in one streamlined unit. It's the ideal solution for pool owners who want more control, less maintenance, and water that’s always ready to enjoy.
Frequently Asked Questions:
How do I know if my Wi-Fi signal is strong enough for installation?
Use a free Wi-Fi signal strength app on your smartphone. Stand exactly where the chlorinator will be installed and check for stable signal quality. If the signal is weak, consider installing a Wi-Fi extender near the equipment area.
Can I use mobile data (3G/4G/5G) to control the chlorinator?
Yes. Once your eXO iQ is connected to your home Wi-Fi, the iAquaLink app will work whether your phone is connected via Wi-Fi or mobile data.
What should I do if pairing fails or takes too long?
Double-check the Wi-Fi password and press the pairing button again. If the connection still fails, restart both the chlorinator and your Wi-Fi router. You can also install a Wi-Fi repeater to improve signal strength. For assistance, contact our support team.
What if I change Internet providers or replace my modem?
If your Wi-Fi name or password changes, you’ll need to re-pair your chlorinator with the new network. Follow the same steps as the initial setup in the manual or app.
What does the pH sensor do?
The eXO iQ pH model continuously monitors the water’s acidity (pH level) and automatically doses liquid acid as needed using a peristaltic pump. This helps maintain perfect balance, reducing manual testing and dosing.
Why is my chlorinator displaying a "No Flow" error?
This warning appears when insufficient water flow is detected. Check that the pump is running, clean your filter and skimmer, and ensure bypass valves are open. After resolving the issue, hold the OK button for 4 seconds to clear the message.
What does the "Check Output" warning mean?
This typically indicates a loose connection or worn-out cell. Turn off the power, check all wires and the cell plug, and clean the cell if it’s calcified. If the error persists, the cell may need replacement.
Why am I seeing a "Low Conductivity" message?
It usually means salt levels are below 4000 ppm or the cell is calcified. Use a test strip or bring a sample to your local pool shop. Add salt if needed and clean the cell to restore proper conductivity.
Why is "Overheat" showing on the screen?
This message means the internal temperature of the control unit has exceeded 85–90°C. To protect internal components, output is reduced or paused until the unit cools.
Solution: If the unit is installed outdoors, provide shade or relocate it out of direct sunlight. Chlorination will resume automatically when temperatures drop below 78°C. No manual action is required unless the issue persists repeatedly.
Why does it say "Low Water Temp" and stop chlorinating?
Chlorination is paused when the water temperature drops below 10°C. This protects the cell from unnecessary wear in cold conditions.
Solution: Chlorination will automatically resume in Low Mode between 10–15°C, and at full output above 15°C. No action is needed unless the sensor is faulty.
What does the "pH Low" message mean?
This message appears when the system detects that the pH level has dropped below 5, or if the pH sensor is disconnected, dirty, or not calibrated.
Solution: Use a test strip or photometer to verify the actual pH. Check the sensor wiring at the control box and POD, clean and recalibrate the sensor, and ensure your alkalinity is within range. If issues persist, the sensor may need to be replaced.
Why is the system flashing "pH Dosing Stop"?
This warning indicates that the system has dosed acid for 5 hours without reaching the desired pH setpoint. It may also be caused by a dirty or faulty sensor, an empty acid container, or a priming issue with the dosing pump.
Solution: Check the pH level manually, inspect the acid container and tubing, clean and recalibrate the sensor, and test the peristaltic pump if needed. If alkalinity is too high, consult a pool specialist to safely lower it.
No chlorine is being produced, but there’s no error message. Why?
This may happen during a reverse cycle (self-cleaning), when chlorination is paused, or if the output setting is low.
Solution: Wait a few minutes and observe the unit. If still uncertain, increase output to 100% temporarily and watch for bubble production in the cell. If no activity is visible after several minutes, check the cell connection or contact our service team.
| SKU | WW000186PH |
|---|---|
| GTIN | 9343609037994 |
| Barcode | WW000186PH |
| Package Length | Power pack: 34 cm, RP Cell: 34 cm |
| Package Width | Power pack: 12 cm, RP Cell: 13 cm |
| Package Height | Power pack: 39 cm, RP Cell: 18 cm |
| Brand | Zodiac |
| Model | WW000186PH - eXO LARGE-pH iQ - Includes pH Sensor |
| Product Type | Pool Chlorinator |
| Shipping Type | Standard |
| Warranty | 3 Years |
| Self Cleaning | Yes |
| Chlorine Gas Output | 35 grams per hour |
| Pool Size | Up to 100,000L |
| Battery Backup | Yes |
| Time Clock | Yes |
| Min/Max Salt levels | Minimum 3,300ppm, Recommended 4,000ppm |
| Plumbing | 40/50mm |
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.