Drainage involves the natural or artificial removal of any sub-surface water from a space. Water supply, on the other hand, involves ensuring that residential, commercial and public spaces have a clean, safe and regular supply of water, usually via pipes and pumps.

Functional, safe and reliable Drainage and Water Supply systems are essential elements in any environment including hotels, residential and commercial properties, schools, shops, and gyms.

Through SpecifiedBy, you can search the market place and compare an extensive range of Drainage and Water Supply products and components including above and below ground drainage systems, plumbing fittings, waste water treatments and water supplies.

Compare products from a number of the UK’s leading manufacturers including Durapipe, Dutypoint Systems, FloPlast and Flexseal.

Fastflow Stainless Steel Roof and Gutter Drain Cover (Square)

Rooflock
A corrosion resistant 304 stainless steel drain cover for use in a wide range of roof and gutter drains from 50mm 180mm diameter. Size: 210mm x 210mm x 40mm Product Code FW SS LG 210 x 210 x 40mm...

Fastflow Aluminium Rainwater Outlets for Flat Roofing

Rooflock
Fastflow Aluminium rainwater outlets for flat roofing are very robust and compatible with torch-on SBS bitumen membranes and liquid applied roofing systems. With high flow rates, this outlet system is suitable for both refurbishment and new-build roofing pr...

TEMPOCHASSE direct flush valve with push-button (ref.760000)

Delabie
Exposed time flow, push-button flush valve for direct flush: Time flow ~7 sec. Vacuum breaker. Chrome-plated solid brass body and push-button. Shockproof mechanism. In-line inlet M1 1/4". 10-year warranty. Advantages Direct flush : no stagnant water Chrome-pla...

AquaDrain T+ - capillary passive drainage mat

BAL Adhesives
High performance capillary passive surface drainage system for direct point adhesion of slabs, natural stone, 20mm porcelain and other outdoor coverings on balconies, terraces and roof terraces. Available in 8mm and 16mm thickness, AquaDrain® T+ ensures ra...

GPD-1000 - SmartDrain

Manthorpe Building Products Ltd
The SmartDrain is an easy and effective way of removing unwanted standing water into a domestic drain. Suitable for most common paving types. The Manthorpe SmartDrain is an easy and effective way of removing unwanted standing water into a domestic drain. ...

Elastaseal HD Gutter System

Tor Coatings
The Elastaseal HD gutter system provides long term waterproofing to all types of roof gutters. It offers up to 10 or 20 years of protection, depending on the system specified. Typical System A) Surface Primer is applied B) Elastaseal embedment coa...

DX4H-WK ECOMULTI - HIGH FLOW, 4 Chemical Selector 14L/min. White/Grey

JDS Products Ltd
2 versions: Low-flow (4L/min) and High-flow (14L/min)Flexible configuration enabling chemical concentrates to be conveniently delivered from side or bottom inletsPatented dilution technology offering precise dilution ratios (click for image)Intuitive 4 dial pr...

DX4L-WK ECOMULTI - LOW FLOW, 4 Chemical selector 4L/min. White/Grey + Bottle Shelf

JDS Products Ltd
2 versions: Low-flow (4L/min) and High-flow (14L/min)Flexible configuration enabling chemical concentrates to be conveniently delivered from side or bottom inletsPatented dilution technology offering precise dilution ratios (click for image)Intuitive 4 dial pr...

Fastflow Sealed Titan Hercules Roof Aluminium Outlet

Rooflock
The Fastflow Sealed Titan Hercules Roof Outlet incorporates the patented seal to provide the mechanical watertight connection, and features a 445mm diameter flange which gives excellent coverage over old outlets. The depressed sump area facilitates maximum wa...

TEMPOSTOP 1/2" exposed in-line urinal (ref.777000)

Delabie
Exposed time flow urinal valve: For standard, siphon action, or stall urinals. Time flow ~3 sec. Flow rate pre-set at 0.15 l/sec. at 3 bar, can be adjusted. Chrome-plated solid brass body M1/2". Wall plate. Straight for in-line inlet. 10-year warranty. Advanta...
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Did you know that the Length for products within the Drainage & Water Supply category, can range from 1.8 mm to 20000 mm and the average is 643 mm?

Half Height Blank IPS Duct Panel Set (BLNKIPS)

Commercial Washrooms Ltd
Integrated Plumbing Systems (IPS) offer a complete solution for projects where concealed plumbing and services are required. With a simple five step installation it is easy to specify and install and can save up to 20% in cost when compared to traditional m...

USG1 White Top- For Pump use only

On The Level Showers Ltd
Shallow untrapped shower gully. Only use with shower pump. Available in white, black or stainless steel finishes....

Fastflow Stainless Rainwater Outlet - SBS Flange

Rooflock
Fastflow Stainless rainwater outlets are designed for both new build or refurbishment applications. Manufactured from 0.7mm stainless steel with a bonded flange of sanded torch-on SBS bitumen. No leafguard included. See leafguard options are available. ...

Contractor MFC Full Height Blank IPS Duct Panel and Frame Set (ContractorBLNKIPS)

Commercial Washrooms Ltd
Our Contractor MFC Toilet blank duct panel sets are the ultimate solution for a fast delivery, low cost, no nonsense washroom wall paneling or duct set solution. For an installer who requires size flexibility and 'off the shelf' availability, this is the id...

GPDST-JU-6 - SlotDrain

Manthorpe Building Products Ltd
The SlotDrain Junction Unit is to create 90º corners, T-junction or cross junction within the SlotDrain system, it also doubles as a means of access for rodding and cleaning. The SlotDrain Junction Unit (GPDST-JU) is made up of 3 components; a channel base...

Foul V3 Sump Pump

Delta Membrane Systems Limited
A packaged pump station designed to collect foul water from basements and ground floor extensions where other facilities in the property discharge via gravity. A typical application would be the collection and discharge of foul water from a basement fitted wit...

Full Height Blank IPS Duct Panel Set (FHBLNKIPS)

Commercial Washrooms Ltd
Integrated Plumbing Systems (IPS) offer a complete solution for projects where concealed plumbing and services are required. With a simple five step installation it is easy to specify and install and can save up to 20% in cost when compared to traditional m...

Dual V3 Sump Pump

Delta Membrane Systems Limited
A packaged pump station designed to collect ground water that enters your basement via perimeter channel or 110mm pipes and / or clear opening to the top of the chamber. This chamber can also collect grey water from showers, washing machines, dish washers and...

Ex-stock Boiler Pipe Casing

Encasement
Our 'Ex-stock' pipe casings range can be used above or below the boiler, providing a simple, quick and cost effective solution for concealing gas and central heating pipe work as well as flues. Manufactured from lightweight and durable 5mm thick plywood, the ...

TEMPOSTOP shower valve, time flow recessed (ref. 749628)

Delabie
Recessed time flow shower valve : Recessing depth between 25 to 40mm . Polished satin stainless steel wall plate 160 x 160mm. TEMPOSTOP F1/2" time flow valve for mixed water supply. Time flow ~30 sec. Flow rate 12 lpm at 3 bar, can be adjusted. Solid brass bod...
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Did you know that the most common Material(s) for products within the Drainage & Water Supply category are Brass , Stainless Steel and Aluminium?'

Zylo Pipe Boxing, Pipe Casings, Boiler Casing and Skirting Covers

BSMW Products Limited
Zylo preformed pipe boxing products are a design registered and patented range of building encasement systems designed and manufactured by BSMW Products Ltd who are the leading innovators within the pipe boxing industry for over 25 years. BSMW are the only...
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