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Building water management
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Building water management for collection, control, treatment and distribution in commercial, public and residential projects. Rainwater harvesting, attenuation and SUDS. Roof and surface drainage channels, gutters and downpipes. Pumps, booster sets and pressure control. Storage tanks, separators and treatment. Pipework, valves and meters. Leak detection, backflow prevention and greywater recycling.
Building water management - helping you find the best solution for your project.

Delta Bespoke 800 Series Dual V6 (800.1750) pumping station
The heavy-duty Delta Bespoke 800 Series – Dual V6 (800.1750) packaged pumping station is specifically designed to collect ground and surface water from basements, below-ground structures. Typical applications include Type C cavity-drained waterproofing solutions and / or surface water from roofs, buried roofs, terraces and patios (subject to- PRODUCT
Delta Membrane Systems
Delta HLA Plus - high water level alarm and monitoring systems
Delta HLA Plus is a sleek and dependable high-water level alarm, perfectly engineered for real-time monitoring of pumping stations. It is dedicated to safeguarding properties offering live, in-depth data on all pumping station activities. It's not just about monitoring; it's about proactively reducing risks
AS+ acoustic soil and waste pipes for low noise drainage
Wavin AS+ drainage pipes are designed to reduce noise levels in soil and waste systems in commercial, educational and residential buildings. Optimal noise reduction is achieved by the high mass and wall thickness of the pipes, together with the low elastic-modulus of the flexible PP material and specially designed brackets
Delta High Level Alarms
Delta high level alarms provide independent warning of high water levels in sump chambers and packaged pump stations. They activate an audible and visual alert if water rises above the normal operating level, typically due to pump failure or power issues. All models include internal battery backup and are designed for use with Delta sump pumps and- PRODUCT
Delta Membrane Systems
Delta Battery Backups
Delta battery backups are designed to provide uninterrupted power to submersible sump pumps during mains power failure. They automatically switch to battery power, ensuring continued operation of drainage systems and helping to prevent flooding. All units operate with 230 VAC single-phase supply and are compatible with Delta sump pumps and- PRODUCT
Delta Membrane Systems
Delta Battery Backup V4/6 Plus for sump pumps - DMS E027
The Delta Battery Backup V4/6 Plus is specifically designed for basement drainage systems (submersible pumps/sump pumps) when there is a loss of mains power. The Delta Battery Backup Plus will keep submersible pumps running during a power outage, ensuring pumps are continuously running, keeping structures dry. The Delta Battery Backup V4/6 Plus- PRODUCT
Delta Membrane Systems
Delta Battery Backup V3 Plus for sump pumps - DMS E023
The Delta Battery Backup V3 Plus is specifically designed for basement drainage systems (submersible pumps/sump pumps) when there is a loss of mains power. The Delta Battery Backup Plus will keep submersible pumps running during a power outage, ensuring pumps are continuously running, keeping structures dry. The Delta Battery Backup V3 Plus- PRODUCT
Delta Membrane Systems
Delta HLA Plus Intelligent - Groundwater - high water level alarm
The Delta HLA Plus Intelligent is supplied with a Delta Level Float and is compatible with all Delta V3, V4 and V6 groundwater / surface water pumping stations. It can also be retrofitted to any existing groundwater / surface water pumping station. Delta HLA Plus Intelligent is a highly advanced high water level alarm monitoring system. The Delta- PRODUCT
Delta Membrane Systems
Basement drainage protection
Cavity Drain Systems generally require a collection sump + pump to manage the collection and discharge of ground and/or foul water. This automatically manages the evacuation of water ingress and requires mains power to operate. High level water alarm and monitoring system which will alert a home owner when there is a potential fault or service- PRODUCT
Delta Membrane Systems
Delta Smart High Level Alarms
Delta HLA Plus is an advanced smart high-water level alarm and monitoring system that provides real-time tracking, notifications, and data logging for pumping stations. It delivers audible and visual alerts plus remote monitoring via the Delta Pumps app, enabling proactive management of basement drainage systems. All models include lithium-ion
800 Series Bespoke Packaged Pumping Station
The robust and reliable Delta Bespoke 800 Series – Packaged Pumping Station has been specifically designed to collect ground and surface water from basements, below ground structures. The Delta Bespoke 800 Series of Package Pumping Station are available in depths from 1250mm to 2000mm and with varying pumping capabilities from the Delta Single V3- PRODUCT
Delta Membrane Systems
Delta Bespoke 800 Series Dual V4 (800.1500) pumping station
Delta Bespoke 800 Series Dual V4 (800.1500) offers a higher discharge head to the Delta Dual V3 range. Typical applications include (but are not limited to) Type C cavity-drained waterproofing solutions and / or surface water from roofs, buried roofs, terraces and patios (subject to selection criteria). System includes: a polyethylene chamber, 1- PRODUCT
Delta Membrane Systems
Delta Bespoke 800 Series Dual V3 (800.1500) pumping station
The robust and reliable Delta Bespoke 800 Series – Dual V3 (800.1500) Packaged Pumping Station has been specifically designed to collect ground and surface water from basements, below ground structures. The Delta Bespoke 800 Series of Package Pumping Station are available in depths from 1250mm to 2000mm and with varying pumping capabilities from- PRODUCT
Delta Membrane Systems
800 Series Dual V3 Foul (800.2000) packaged pumping station
The robust and reliable Delta Bespoke 800 Series – Dual V3 Foul (800.2000) Packaged Pumping Station has been specifically designed to collect foul and/or grey water from basements, below ground structures and ground floor extensions or where foul water cannot be drained by gravity. For kitchen applications we recommend fitting a grease trap prior- PRODUCT
Delta Membrane Systems
Wavin solvent waste and traps
Solvent Waste and Traps is a range of waste, trap, overflow, and condensate systems for industrial and commercial plumbing. Connects with Wavin Osma Solvent PVC-U Soil and Wavin AS Acoustic soil systems. Trap system is manufactured in polyethylene. PVC-C solvent weld waste is available for interior and exterior use. Overflow system is manufactured
Submersible Sump Pumps for below ground applications
Sump pumps are submersible electric pumps for water removal from below-ground structures such as basements, cellars, and drainage sumps. The range covers groundwater, surface water, foul water, and grey water applications. All models operate on 230 VAC single-phase supply and are designed for use within Type C cavity drainage waterproofing systems
Delta Bespoke 800 Series Dual V6 (800.1500) pumping station
Delta Bespoke 800 Series – Dual V6 (800.1500) offers a higher discharge head to the Delta Dual V3 and Dual V4 range. Typical applications include (but are not limited to) Type C, Cavity Drained Waterproofing solutions and/or surface water from roofs, buried roofs, terraces and patios (subject to selection criteria). Delta Bespoke 800 Series – Dual
Delta Bespoke 800 Series Dual V6 (800.2000) pumping station
The heavy-duty Delta Bespoke 800 Series – Dual V6 (800.2000) Packaged Pumping Station has been specifically designed to collect ground and surface water from basements, below ground structures. Typical applications include Type C, Cavity Drained Waterproofing solutions and/or surface water from roofs, buried roofs, terraces and patios (subject to- PRODUCT
Delta Membrane Systems
Conceala 3 Flush Buttons
Contemporary designed pneumatic dual flush push buttons to complement our Conceala 2 cisterns: modern design; dual flush; pneumatic action; 33mm maximum wall thickness; to complement Conceala 2 cisterns. chrome (AA) / Stainless Steel Finish; chrome plated; 0.13Kg
Delta Dual V4 packaged pumping station
The Delta Dual V4 packaged pump station has been designed specifically to work in unity with the Delta cavity drained system (Type C waterproofing) to collect groundwater via a perimeter channel or modular drainage. Delta Dual V4 is suitable for collecting groundwater from a 150m² basement that requires a head height of up to 8m. It is capable of- PRODUCT
Delta Membrane Systems
800 Series Dual V3 Foul (800.1250) packaged pumping station
The robust and reliable Delta Bespoke 800 Series – Dual V3 Foul (800.1250) Packaged Pumping Station has been specifically designed to collect foul and/or grey water from basements, below ground structures and ground floor extensions or where foul water cannot be drained by gravity. For kitchen applications we recommend fitting a grease trap prior- PRODUCT
Delta Membrane Systems
Delta HLA Plus - Groundwater - high water level alarm
The Delta HLA Plus smart high water level alarm and monitoring system is capable of delivering real-time monitoring and notification services for ground and surface water pumping stations. For all important or time-sensitive notifications, the Delta HLA Plus allows homeowners, property owners, facilities managers or keyholders to engage in
Delta V3 Foul Battery Backup for sump pumps - DMS E030
The Delta Battery Backup Foul V3 is specifically to provide power to one Delta Foul V3 Packaged Pumping Stations or a Delta Single Foul 800 Packaged Pumping Station when there is a loss of mains power. The Delta Battery Backup Foul V3 will keep submersible pumps running during this power outage, so that you can continue to use your appliances. The- PRODUCT
Delta Membrane Systems
Delta HLA high water level alarms for basement sumps and pumps
Delta’s High Water Level Alarm (HLA) sounds an alarm when water levels rise to a high point within the pump chamber in cavity drained protection / below-ground waterproofing projects. They can be used with a Delta Type C, Cavity Drain Protection system or as standalone units: loud 85dB alarm; an internal battery ensures continuous protection in- PRODUCT
Delta Membrane Systems

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