AJAX LeaksProtect Wireless Water Leak Detector
Catch a leak before it becomes a flood. The Ajax LeakProtect detects water in under 0.15 seconds and alerts your phone instantly. It sits flat on the floor, needs no tools, and runs for up to 5 years on its pre-installed batteries. It works with any Ajax hub. Pair it with a WaterStop valve, and it can shut off your water automatically.
AJAX LeaksProtect – Smart Wireless Water Leak Detector
Small leaks cause big damage
A slow drip under the sink can ruin cabinets, floors, and walls before you notice it. The Ajax LeaksProtect spots water the moment it appears. It alerts you through the Ajax app, wherever you are.
How it works
The detector has contact points on all four sides. If water touches any one of them, it raises the alarm in under 0.15 seconds. When the area dries, the app tells you the leak has stopped. A small LED under the Ajax logo shows the detector’s status.
Place it and forget it
- No tools needed. Just set it on the floor.
- Slim design. At 14 mm high, it fits under washing machines, dishwashers, baths, radiators, and sinks.
- Long battery life. Two AAA batteries come pre-installed and last up to 5 years.
- Moisture-ready. The IP65 rating protects it from dust and water.
Go further with automation
Link it with the Ajax WaterStop shut-off valve. A leak can then close your water supply automatically. This is ideal for homes, rental properties and offices that are empty for days at a time.
Secure and reliable
The detector uses encrypted Jeweller radio, with tamper alerts and device authentication. If it loses contact with the hub, you are notified within 36 seconds.
Ideal for
Kitchens, bathrooms, laundry rooms, water heater areas, server rooms, shops, offices and holiday homes.
Please note: An Ajax hub is required. The detector is for indoor use only.
Key Features
- Fast detection. Reacts in less than 0.15 seconds.
- Four-sided sensing. Contacts on all four sides catch water from any direction.
- Dry-out alert. You are told when the leak has stopped.
- Instant app alerts. Push notifications, with battery and signal status in the Ajax app.
- Up to 5 years of battery life. Two AAA batteries are pre-installed.
- Long wireless range. Up to 1,300 m from the hub in open space.
- Tool-free installation. Place it on the floor and pair it.
- Ultra-slim body. Only 14 mm thick, and it weighs just 41 g.
- IP65 protection. Resists dust and water jets.
- WaterStop compatible. Enables automatic water shut-off scenarios.
- Encrypted and tamper-protected. Block encryption with a dynamic key.
- Two colours. Available in white or black.
Technical Specifications
| Specification | Detail |
|---|---|
| Brand / Model | Ajax Systems – LeaksProtect Jeweller |
| Type | Wireless water leak detector |
| Detection time | Under 0.15 seconds |
| Sensing contacts | Contacts on all 4 sides |
| Wireless protocol | Jeweller (two-way, encrypted, frequency hopping) |
| Radio range | Up to 1,300 m (open space, to hub or range extender) |
| Maximum radiated power | Up to 20 mW |
| Modulation | GFSK |
| Encryption | Block cipher with dynamic key |
| Connection-loss detection | 36 seconds |
| Battery | 2 × AAA, pre-installed |
| Battery life | Up to 5 years |
| Operating voltage | 2.1–3.3 V |
| Dimensions | 62 × 62 × 14 mm (earlier units: 59 × 59 × 14 mm) |
| Weight | 41 g |
| Protection class | IP65 |
| Operating temperature | 0 °C to +50 °C |
| Humidity | Up to 100% |
| Max detectors per system | Up to 200 |
| Compatibility | Ajax hubs and range extenders (check the Ajax compatibility tool for your hub model) |
| Colours | White, Black |
| Warranty | 24 months, Ajax standard |
| In the box | LeaksProtect detector, 2 × AAA batteries (pre-installed), quick start guide |
