LeaksProtect ASP Black Wireless Jeweller IP65 Water Leak Detector with Instant Alarm and 5-Year Battery Life - Ajax
38254.08.BL1 # 38254 | Ajax LeaksProtect ASP white is a wireless flood detector designed to ensure immediate detection of water leaks 24/7 thanks to its four sensitive sides with multiple contacts that activate the alarm in just 0.15 seconds. Equipped with encrypted two-way Jeweler radio communication up to 1300 meters , it ensures reliable and secure transmissions. Installation is quick and easy without tools , and the compact design with IP65 protection makes it ideal even for harsh environments. It offers up to 5 years of battery life with pre-installed batteries and full management via the Ajax app for remote control and configuration. Compatible with Ajax systems, it represents an effective and intelligent solution for water damage prevention. Ajax
38254.08.BL1 | WIRELESS FLOOD DETECTOR

The LeaksProtect ASP, 38254.08.BL1, black Ajax is a professional wireless flood detector designed for immediate water leak detection 24/7 , thanks to its four sides with sensitive contacts that activate the alarm in just 0.15 seconds. It uses encrypted two-way Jeweler radio technology up to 1300 meters , ensuring reliable and secure communications. Installation is quick and tool-free , with a compact design and IP65 protection ideal even for humid environments. It offers up to 5 years of battery life with pre-installed batteries and full management via the Ajax app. Perfect for homes and professional environments, it ensures continuous protection against water damage.
Main specifications:
- 24/7 water leak detection with 0.15 second response
- 4 sides with sensitive contacts for maximum precision
- Encrypted Jeweller radio communication up to 1300 m
- Quick and easy tool-free installation
- IP65 protection for humid and harsh environments
- Up to 5 years of battery life with pre-installed batteries
- Management and configuration via Ajax app
Further details
Technical data sheet
| 38254.08.BL1 | |
| Communication | |
| Jeweler communication technology | Proprietary wired communication technology. Fiber combines the reliability of wires with the freedom of radio connection. Key features:
|
| Frequency bands | 866.0–866.5 MHz 868.0–868.6 MHz 868.7–869.2 MHz 905.0–926.5 MHz 915.85–926.5 MHz 921.0–922.0 MHz Depends on the sales region. |
| Maximum effective radiated power (ERP) | up to 20 mW Automatic power control to reduce power consumption and radio interference. |
| Radio signal modulation | GFSK |
| Radio communication range | up to 1,300 m Between the device and a hub (or a range extender) in an open space. |
| Encrypted communication | All stored and transmitted data are protected by block encryption featuring a dynamic key. |
| Radio frequency hopping | To prevent radio interference and jamming. |
| Key features | |
| Always active | Detects water leaks 24/7/365 |
| First flooding signs detection | All four sides of the device have contact pairs. LeaksProtect Jeweler detects the first signs of flooding as soon as water reaches at least one of them. |
| Detection time | within 0.15 s The detector sends an alarm as soon as it becomes wet on either side. |
| Tool-free installation | Place LeaksProtect Jeweler on the floor under a washing machine, dishwasher, bathtub, or heating radiator. |
| Remote control and configuration | via Ajax apps Ajax apps provide information about the device, including current state (leakage detection), battery charge status, and communication with a hub. |
| LED indication | The LED is placed under the Ajax logo on the enclosure and reports the detector's states. |
| Automation scenarios | LeaksProtect Jeweler can activate various automation scenarios. For example, it can trigger the WaterStop Jeweler shutoff valve to turn off the water supply in case of flooding. |
| Recommendations | The device is designed for indoor use only. |
| Sabotage protection | |
| Tamper alarm | Notifications on attempts to violate the enclosure integrity. |
| Protection against forgery | devices authentication |
| Communication loss detection | after 36 s Detection time depends on the Jeweler or Jeweller/Fibra settings. |
| Power Supply | |
| Battery | 2 × AAA Pre-installed. |
| Type | Type C |
| Calculated battery life | up to 5 years |
| Detector's operating voltage range | 2.1−3.3 V⎓ |
| Detector's nominal operating voltage | 3 V⎓ |
| Quiescent device's current consumption at nominal voltage | 14 mA |
| Maximum device's current consumption at nominal voltage | 33 mA |
| Full battery capacity | 1,000 mAh |
| Low battery voltage | 2.5 V⎓ |
| Low battery recovery voltage | 2.7 V⎓ |
| End-of-life battery voltage | 2.1 V⎓ Device is switched off. |
| End-of-life battery capacity | 100 mAh |
| Manufacturer | Huiderui Energizer |
| Enclosure | |
| Color | Black |
| Dimension | 56 × 56 × 14 mm |
| Weight | 40 g |
| Operating temperature range | from 0°C to +50°C |
| Operating humidity | up to 100% |
| Casing protection class | IP65 |
| Complete set | LeaksProtect Jeweler 2 AAA batteries (pre-installed) Quick start guide |
| Warranty | 24 months |



