Key Features

  • Detects even the smallest water leaks and automatically closes the valve
  • Audible alarm to alert users of detected leaks
  • Easy installation: place ball valve inline and brass contacts on the lowest floor point
  • Low battery warning alarm with automatic valve closure if batteries not replaced within 8 hours
  • Moisture-proof controller to extend battery life
  • Long Battery Life Over 12 months

Standalone Water Leak Detector & Valve 2+ Year Battery Life

★★★★★ 5.0 / 5 (1 review)

£94.87 incl. VAT £79.06 ex. VAT

-34% Was £143.75 incl. VAT

Brand: Connexion

Model: ABVMSA

Stock: 20 in stock

Read Full Description

Description

Water Leak Detection System with Controller & WRAS Ball Valve – ABVMSA


Protect your property with this intelligent water leak detection system. The ABVMSA detects the slightest leak and automatically powers the ball valve to close while sounding an alarm. Simple to install, it provides 24/7 peace of mind by monitoring potential water hazards at home, offices, or commercial spaces.

Key Features

Detects even the smallest water leaks and automatically closes the valve
Battery Powered - Simple Installation
Audible alarm to alert users of detected leaks
Easy installation: place ball valve inline and brass contacts on the lowest floor point
Low battery warning alarm with automatic valve closure if batteries not replaced within 8 hours
Moisture-proof controller to extend battery life
Supplied with Varta 1.5V AA Long Life 100% low use batteries (≥ 12+ months life expectancy)

Controller Specifications

Buttons: Power ON/OFF, Valve Open, Valve Closed
LED indicators for power and valve position
Low battery alarm (supplied with 2x Varta 1.5 V LR6 AA Alkaline Long Life batteries, lasting ≥12 months)
Cable: 1.75 m with waterproof connector (connects controller to valve)
Power consumption:
Switched OFF: 2.1 µA
Monitoring: 6.7 µA
Valve moving: 220 µ

Actuator Specifications

Cycle life: 100,000 open/close operations
Power when moving: 300 mA; Monitoring: 0.015 mA
Open/Close time: 5 seconds
Protection: IP67
Voltage: 3 V DC
Includes visual position indication

Ball Valve Specifications

WRAS approved (Certificate No: 251015016)
Port size: 1/2, 3/4 or 1"  BSP (option NPT thread)
Bore: 15 mm, 20mm & 25mm
Body: 304 stainless steel
Pressure: 0–10 Bar
Seals: PTFE + EPDM (WRAS Approved)
Media: Water only
Temperature: -15°C to +100°C

User Operation & LED Indicators

Power ON/OFF button + LED 1
Valve Open button + LED 2 (Green flashes while opening)
Valve Closed LED 3
LED 1+2+3 flash when valve is open and system in leak-detection mode
Automatic valve closure and alarm if low battery not replaced within 8 hours


Installation Summary

Install ball valve where water leak is a concern
Insert AA batteries into controller and connect cables
Place brass contacts on the floor at the lowest point
Press Power ON/OFF – LED 1 and Valve Closed LED 3 will light
Press Valve Open – LED 2 flashes green while valve opens
System enters leak detection mode with LED indicators active

Applications

Domestic and commercial water leak protection
HVAC systems
Solar water heating systems
Grey water and rainwater systems
Anywhere continuous water monitoring and automatic shut-off is required
View Technical Specification

Technical Specification

Brand: Connexion

Model: ABVMSA

Width: 70.00 mm

Height: 20.00 mm

Depth: 85.00 mm

Weight: 0.50 kg

Valve / Product Type: Ball Valve, Motor Actuated Valves, Leak Detection

Body Material: Stainless Steel

Voltage: 3vDC

Port Size: 1/2 thread, 3/4 thread, 1 thread

Function: Power Open/Power Close

Operation: Direct Acting

Pressure: 0.02 Bar (20 mBar), 0.1 Bar (100 mBar), 0.2 Bar (200 mBar), 0.3 Bar (300 mBar), 0.4 Bar (400 mBar), 0.5 Bar (500 mBar), 0.6 Bar (600 mbar), 0.7 Bar (700 mBar), 0.8 Bar (800 mBar), 1 Bar, 1.2 Bar, 1.3 Bar, 1.4 Bar, 1.5 Bar, 1.6 Bar, 2 Bar, 2.5 Bar, 3 Bar, 3.5 Bar, 4 Bar, 4.5 Bar, 5 Bar, 5.5 Bar, 6 Bar, 6.5 Bar, 7 Bar, 7.5 Bar, 8 Bar, 8.5 Bar, 9 Bar, 10 Bar

Seals: EPDM

Approvals:: IP67, WRAS

Media: Water

Options required: Anti Water Hammer, Manual Override, Position indication Visual

Orifice: 15mm

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Reviews

★★★★★5.0 / 5 1 reviews

★★★★★ Verified Purchase

Good product , easy to install and no problems with setting up

Reviewed on 21/05/2025 by Lewis O - Sawbridgeworth, United Kingdom