AstralPool E-Next pH 21 salt chlorinator – 21 g/h up to 90 m³
AstralPool E-Next pH 21 salt chlorinator – 21 g/h up to 90 m³ subject to supplier availability.
Estimated delivery time: 3 to 7 business days
Description
Description
The AstralPool E-Next pH 21 combines salt electrolysis and automatic pH regulation to simplify the treatment of private pools of up to 90 m³.
It produces up to 21 g of chlorine per hour from salt dissolved in the water and automatically controls the pH using a probe and dosing pump.
A solution designed to automate two essential pool maintenance tasks: disinfection and pH balance.
Quick summary
- Chlorine production: 17–21 g/h.
- Pools of up to 90 m³ at 16–24 °C.
- Integrated automatic pH regulation.
- Control range: pH 7.0–7.8.
- Recommended salinity: 5–6 g/l.
- Dosing pump: 1.5 l/h at 1.5 bar.
AstralPool E-Next pH 21 technical features
| Feature | Specification |
|---|---|
| Reference | 74946 |
| Chlorine production | 17–21 g Cl₂/h |
| Pool · 16–24 °C | Up to 90 m³ |
| Pool · >25 °C | Up to 75 m³ |
| pH regulation | Yes, automatic |
| Power supply | 230 V AC · 50/60 Hz |
| Salinity | 5–12 g/l · recommended 5–6 g/l |
| Minimum cell flow rate | 3 m³/h |
| Hydraulic connection | PVC Ø63 mm for gluing |
| Production control | 0–100% · 3 levels |
Salt electrolysis and automatic pH regulation
Electrolysis cell
- Self-cleaning activated titanium electrodes.
- 7 electrodes.
- Polarity reversal configurable to 2 or 3 hours.
- Flow detection via gas.
- High and low salinity alarm.
- Operating temperature from 15 to 40 °C.
pH regulation
- pH measurement range: 0,0–9,9.
- Control range: 7.0–7.8 pH.
- Accuracy: ±0.1 pH.
- Automatic calibration using standard solutions.
- Peristaltic pump of 1.5 l/h.
- Dosing pressure: 1.5 bar.
AstralPool E-Next pH range comparison
| Model | Reference | Output | Pool 16–24 °C | Pool >25 °C |
|---|---|---|---|---|
| E-Next pH 7 | 74944 | 7 g/h | 30 m³ | 25 m³ |
| E-Next pH 12 | 74945 | 12 g/h | 50 m³ | 40 m³ |
| E-Next pH 21 | 74946 | 21 g/h | 90 m³ | 75 m³ |
| E-Next pH 30 | 74947 | 30 g/h | 140 m³ | 120 m³ |
| E-Next pH 40 | 74948 | 40 g/h | 180 m³ | 160 m³ |
Installation and operation
The cell is installed in the hydraulic circuit using a PVC Ø63 mm connection. The unit operates with a salt concentration of 5 to 12 g/l, with 5 to 6 g/l recommended. The pH version adds a sensor and dosing pump to automatically adjust the set value.
Frequently asked questions
Up to 90 m³ with water between 16 and 24 °C. Above 25 °C, AstralPool recommends a maximum of 75 m³.
Yes. Reference 74946 includes a pH sensor and dosing pump for automatic regulation.
It operates between 5 and 12 g/l of salt, although the manufacturer recommends operating between 5 and 6 g/l.
Yes. It has activated titanium electrodes and automatic polarity reversal to help reduce scale buildup.
