Jeweller Communication Technology

• Proprietary wireless technology for event transmission
• Two-way communication
• Protection against device spoofing
• Block encryption with floating key
• Instant notifications
• Remote configuration via Ajax apps

Radio Specifications

• Frequency bands (region dependent):
• 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
• Maximum ERP: up to 20 mW
• Automatic power adjustment
• Modulation: GFSK
• Communication range: up to 1,100 m (without obstacles)
• Frequency hopping for anti-jamming protection
• Encrypted communication using block encryption with floating key

Shutoff Valve

• Valve type: 1" (DN25) RuB valve
• Application:
• Water supply systems
• Heating systems
• Operating fluid:
• Hot water
• Cold water
• Non-aggressive liquids
• Material: Brass
• Connection type:
• BSP parallel thread
• Female-to-female
• EN 10226-1 / ISO 228 compliant
• Thread size: 1" (DN25, 25 mm)
• Operating fluid temperature: -20°C to +170°C
• Operating pressure: up to 10 bar

Electric Actuator

• Function: Opens and closes the valve
• Torque: up to 8.5 N·m
• Shut-off speed: up to 7 seconds
• Manual control button included
• Remote control via Ajax apps

Mounting System

• ISO 5211 compliant mounting platform
• Lever for manual water shutoff
• Two locking options:
• Standard locker (pre-installed)
• Anti-sabotage locker
• Tool-free installation
• 4 possible actuator mounting positions
• Actuator can be replaced without removing the valve

Control & Monitoring

• Valve status monitoring (open/closed)
• Battery status monitoring
• External power status monitoring
• Communication status monitoring
• LED status indication

Automation Scenarios

• Alarm-triggered actions
• Security mode change reactions
• Scheduled actions
• Temperature-based scenarios
• Humidity-based scenarios
• CO₂ level scenarios
• Activation via Ajax Button
• Activation via Ajax LightSwitch

Safety & Notifications

• Overheating notification above +60°C
• Notification when temperature returns to normal
• Indoor use only

Sabotage Protection

• Device authentication
• Protection against spoofing
• Communication failure detection: from 36 seconds
• Tampering alarm
• Anti-sabotage mounting option

Power Supply

• Batteries:
• 4 × CR123A (pre-installed)
• Battery life up to 3 years
• Optional external power:
• 7.5–14 V DC, 1.8 A minimum
• Recommended: 9–12 V DC, 2 A
• Batteries act as backup when external power is connected

Dimensions

Complete Unit (Valve + Actuator)

• 104.5 × 159 × 70 mm
• Weight: 1336 g

Electric Actuator

• 93 × 70 × 95 mm
• Weight: 536 g

Shutoff Valve

• 90 × 41 mm
• Weight: 800 g

Environmental Specifications

• Operating temperature: 0°C to +60°C
• Operating humidity: up to 95%

Available Colours

• Black
• White

Package Contents

• Ajax WaterStop Jeweller
• 4 × CR123A batteries (pre-installed)
• DN25 (1") RuB valve
• 2 actuator locking clips (standard and anti-sabotage)
• Sealing nut
• Quick start guide

1. Datasheet - AJAX WATERSTOP 1INCH