Flow Based Water Leak Detectors

Water leak detection made simple.

Monitor consumption and detect major water leaks with the LeakSaver alarm.  Connect to 1 or 2 water meters installed on the incoming mains water service.  We also have PIR flow control for WC areas including valve sizes between 15mm and 80mm.

Envirotech Alarms also has the unique Ydrostop water fuse, which requires no external power at all, it is a completely mechanically operated device. The Ydrostop will automatically switch off the water supply should a pipe burst or if there is continuous flow above a preset length of time.

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External yellow pipework along a stone building wall protected by Envirotech Alarms water leak detection

Flow based leak detectors

£1,898.00 (excl VAT)
£112.00 (excl VAT)
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Proud supporters of WaterAid

Envirotech Alarms are proud to play our part in helping Water Aid provide clean water to everyone, no matter where they are.

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Illustration of a LeakSaver water flow sensor installed in a street water main serving nearby properties

A suitable water leak detector can be used by designers, developers, architects and managers to demonstrate measures have been taken that ensures their building meets a certain standard.  It is used in the construction of Courts, Schools, Healthcare establishments, Industrial buildings, Multi residential blocks, Offices, Prisons, Retail, Hotels and Leisure complexes.

Included in the tea point package:

Measures the continuous flow through pulsed water meters.
Activated when the flow of water passing through the water meter is at a flow rate above a pre-set maximum for a pre-set period of time.
Able to identify different flow and therefore leakage rates.
Programmable to suit the owner/occupiers’ water consumption criteria.
Where applicable, designed to avoid false alarms caused by normal operation of large water consuming plant.

Water leak detection products

The LeakSaver product monitors the flow of water through a pipe.  The alarm panel is connected to water meters that send pulses relating to water usage, e.g. one pulse for every 10 litres of water. The panel is programmed with the expected amount of water usage, based on the type of building, the occupancy and the amount of facilities using water, if the flow of water exceeds this setting an alarm will be triggered.

The Leaksaver is a water leak detection system capable of

detecting a major water leak on the mains water supply within the building and between the building and the utilities water meter. It monitors the amount of water passing into the building over a set period of time. Should this amount be exceeded it will create an alarm. It can be used when there is external pipe work between the boundary and the building. This enables the distinction between a leak outside (usually underground) and one inside the building.

The LeakSaver can also be used for “Water Monitoring”.  A pulsed water meter is required on all mains supplies and on the supply to any building using more than 10% of the total water consumption. The LeakSaver connects to the water meter/s and to the Building Management System to monitor the amount of water used.

Key Points:

  • An alarm is raised when the flow of water exceeds a pre-set maximum for a pre-set period of time. It is able to identify different flow rates by programming high and/or low levels over different time periods. It is fully programmable to suit the users water consuming requirements and has the ability to avoid false alarms when larger volumes of water are called for.
  • The specification of a water meter on the mains water supply to each building; this includes instances where water is supplied via a borehole or other private source. Water-consuming plant or building areas, consuming 10% or more of the building’s total water demand, are either fitted with sub meters or have water monitoring equipment integral to the plant or area. Each meter (main and sub) has a pulsed output to enable connection to a Building Management System (BMS) for the monitoring of water consumption. If the site on which the building is located has an existing BMS, managed by the same occupier/owner (as the new building), the pulsed water meter(s) for the new building must be connected to the existing BMS.
  • A leak detection system which is capable of detecting a major water leak on the mains water supply within the building and between the building and the utilities water meter. The leak detection system is:

Audible when activated

  • Activated when the flow of water passing through the water meter/data logger is at a flow rate above a pre-set maximum for a pre-set period of time.
  • Able to identify different flow and therefore leakage rates, e.g. continuous, high and/or low level, over set time periods.
  • Programmable to suit the owner/occupiers’ water consumption criteria.
  • Where applicable, designed to avoid false alarms caused by normal operation of large water-consuming plant such as chillers.

A flow control device is fitted to each WC area/facility to ensure water is supplied only when needed (and therefore prevent minor water leaks):

Uses PIR (passive infrared) sensors connected to valves fitted on the main water supplies to the area. When someone enters the toilet, the PIR activates and the valves open allowing water to flow in. After the area’s been vacated the valve automatically closes, switching the water off again.

Fitting a flow control system to all WC areas in a building to minimise the impact of minor water leaks. Toilet areas that have a common water feed can be served by several PIR sensors connected to a single valve. Fitting a PIR flow control system to all your WC areas will:

1.Reduce loss of water through undetected leaks.
2.Help to prevent large scale flooding due to burst pipes or vandalism.
3.Minimise water being wasted when taps are left running.

Envirotech Alarms offer a great product at a very competitive price. We also provide a fast delivery service, usually despatching the day after receiving the order. We believe in making your life easier and keeping things simple.

Achieves flow monitoring for water leak detection.
Flush and surface mount PIR sensors available.
Multiple valves can be run from one PIR sensor.

Summary of Features:

  • Available in single or two zone versions. Single zone is used where there is no external pipe work from the boundary or the mains water supplies more than one building.
  • The two zone version is used to monitor external pipe work from the boundary as well as inside the building.
  • Alarms when the flow of water exceeds a pre-set maximum amount within a set period of time.
  • Able to identify different flow rates by programming high and low flow levels allowing for different occupancies at different times of the day.
  • The LeakSaver is fully programmable to suit the users requirements.
  • Larger volumes of water can be called for without causing a false alarm.
  • Built to a very high standard ensuring reliability and performance.

LeakSaver WDP water detection panel showing system and valve status

Water meters

Water meters for water leak detection

Buy water meters to connect to the LeakSaver alarm panel and monitor water usage.  All water meters come with factory fitted pulse readers set to 1:1, 1:10 and 1:100 pulses depending on the meter size.
 
Water meters between 15mm and 40mm come with male BSP threaded connectors, water meters 50mm and above come with PN16 flange fittings.
 
Meter Sizes: 15mm (1/2″), 20mm (3/4″), 25mm (1″), 30mm (1 1/4″), 40mm (1 1/2″), 50mm (2″), 65mm (2 1/2″), 80mm (3″), 100mm (4″), 125mm (5″), 150mm (6″), 200mm (8″). 

Meter Features

  • WRAS approved
  • Pressure range 0 to 16 bar
  • Can be mounted in any position
  • Operates with water temperature up to 30 degrees
  • Safe for use with potable drinking water

Shutoff valves for use with leak detection and monitoring systems.

Valves for water leak detection

Major leak detection: Connect a 24VDC normally closed or normally open solenoid valve directly to the LeakSaver alarm panel and switch off the mains water supply as soon as a leak has been Fitting shut off valves will save the loss of large volumes of water should a leak occur and the building is unoccupied.

Valves for automatic flow control in WCs

Connecting a brass solenoid valve to a PIR (Passive Infrared Sensor) that activates only when the facility is occupied. Can save water should there be a leak or malfunction of the plumbing equipment. The PIR acts like a switch holding the valve open for a pre-set length of time after somebody enters the room. The valve then remains open for a set length of time allowing the water to flow to the cisterns and taps. Once the room has been vacated, following a short delay, the valve will close and the water supply shut-off.

Valve Features

  • Normally open or normally closed solenoid valves for use with the Leaksaver (24VDC).
  • Normally closed solenoid valves for use with PIRs from 1/2″ to 3″ (230VAC).
  • Normally closed are WRAS approved.
  • More than one valve can be connected in parallel.

Brass normally closed solenoid valve for water shut-off

 

40mm+ WRAS-approved bulk water meter with flanged connections

 

Description

  • YdroStop flow based leak detectors work like a fuse in your plumbing system ydroteq water flow monitoring and shut off deviceto reduce the risk of serious flooding in the event that a pipe bursts or a tap is left on.
  • YdroStop shuts off the water supply if it detects persistent continuous water flow, a leak, or a burst pipe.
  • Ideal for houses, flats, holiday homes, small commercial buildings and farms.
  • When it detects a sudden pipe burst, it shuts off the water supply immediately.
  • In response to continuous water flow (leaks, taps running, etc.), YdroStop shuts off the water after a pre-set amount of time.
  • Prevents unnecessary water consumption due to leaks or open taps, saving money and helping to protect the environment.
  • Does not require electricity to operate. No need to monitor battery life or worry about power outages.