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Inspection Chambers

PBSL drainage systems offer a wide range of inspection chamber options, available as either complete chambers or as individual components to assemble the chamber yourself.

Inspection generally chambers come in two diameters, 300mm and 450mm, and both are available with either fixed or flexible inlets.

An inspection chamber itself is comprised of a base, sectional risers with a seal, and a manhole cover. Risers may be cut to size as required.

PBSL drainage systems offer a wide range of inspection chamber options, available as either complete chambers or as individual components to assemble the chamber yourself. Inspection generally chambers come in two diameters, 300mm and 450mm, and both are available with either fixed or flexible inlets. An inspection chamber itself is comprised of a base, sectional risers with a seal, and a manhole cover. Risers may be cut to size as required. Read more about Inspection Chambers

300mm Mini Inspection Chamber Complete Set

300mm Mini Inspection Chamber Complete Set

From 10 reviews

Code: D300MH1 Size: 300mm Diameter Brand: FloPlast & ClarkDrain

£44.03 ex.VAT
£44.03 ex.VAT
From 10 reviews

300mm Mini Inspection Chamber Set Block Paving

300mm Mini Inspection Chamber Set Block Paving

Code: M300MH2 Size: 300mm Diameter Brand: FloPlast & ClarkDrain

£71.18 ex.VAT
£71.18 ex.VAT

300mm Mini Inspection Chamber Complete Set Double Sealed

300mm Mini Inspection Chamber Complete Set Double Sealed

From 1 reviews

Code: DMH3005 Size: 300mm Diameter Brand: FloPlast & ClarkDrain

£60.87 ex.VAT
£60.87 ex.VAT
From 1 reviews

300mm Mini Inspection Chamber Complete Set Internal Use

300mm Mini Inspection Chamber Complete Set Internal Use

Code: D300MH3 Size: 300mm Diameter Brand: FloPlast & ClarkDrain

£92.83 ex.VAT
£92.83 ex.VAT

300mm Mini Inspection Chamber Complete Set Level Invert

300mm Mini Inspection Chamber Complete Set Level Invert

From 3 reviews

Code: D300MH5 Size: 320mm Diameter Brand: ClarkDrain

£49.04 ex.VAT
£49.04 ex.VAT
From 3 reviews

450mm Inspection Chamber Complete Set With 46mm Deep Block Pavior Cover

450mm Inspection Chamber Complete Set With 46mm Deep Block Pavior Cover

From 2 reviews

Code: D450MH5 Size: 450mm Diameter Brand: FloPlast & ClarkDrain

£94.45 ex.VAT
£94.45 ex.VAT
From 2 reviews

450mm Inspection Chamber Complete Set With Polyprop Cover - For 110mm Drainage

450mm Inspection Chamber Complete Set With Polyprop Cover - For 110mm Drainage

From 13 reviews

Code: 450MH1 Size: 450mm Diameter Brand: FloPlast & ClarkDrain

£53.08 ex.VAT
£53.08 ex.VAT
From 13 reviews

450mm Inspection Chamber Complete Set With Square Cover

450mm Inspection Chamber Complete Set With Square Cover

From 2 reviews

Code: D450MH3 Size: 450mm Diameter Brand: FloPlast & ClarkDrain

£98.02 ex.VAT
£98.02 ex.VAT
From 2 reviews

300mm Inspection Chamber Base 3 Fixed Inlets

300mm Inspection Chamber Base 3 Fixed Inlets

From 1 reviews

Code: D810 Size: 300mm Diameter Brand: FloPlast

£13.36 ex.VAT
£13.36 ex.VAT
From 1 reviews

300mm Inspection Chamber Base 3 Inlets (Adjustable) 45 Degree

300mm Inspection Chamber Base 3 Inlets (Adjustable) 45 Degree

From 1 reviews

Code: D801 Size: 300mm Diameter Brand: FloPlast

£26.74 ex.VAT
£26.74 ex.VAT
From 1 reviews

300mm Inspection Chamber Base 3 Inlets (Adjustable) 90 Degree

300mm Inspection Chamber Base 3 Inlets (Adjustable) 90 Degree

From 1 reviews

Code: D802 Size: 300mm Brand: FloPlast

£30.77 ex.VAT
£30.77 ex.VAT
From 1 reviews

300mm Inspection Chamber Base 5 Inlets (Adjustable) 45 Degree

300mm Inspection Chamber Base 5 Inlets (Adjustable) 45 Degree

Code: D800 Size: 300mm Diameter Brand: FloPlast

£34.50 ex.VAT
£34.50 ex.VAT

Inspection Chamber Riser 300mm x 100mm

Inspection Chamber Riser 300mm x 100mm

From 3 reviews

Code: D820 Size: 300mm Diameter Brand: FloPlast

£7.97 ex.VAT
£7.97 ex.VAT
From 3 reviews

Inspection Chamber Riser 300mm x 200mm

Inspection Chamber Riser 300mm x 200mm

From 2 reviews

Code: D822 Size: 300mm Diameter Brand: FloPlast

£14.79 ex.VAT
£14.79 ex.VAT
From 2 reviews

250mm Level Invert Inspection Chamber Base and Riser (One-piece)

250mm Level Invert Inspection Chamber Base and Riser (One-piece)

Code: UCC7 Size: 250mm Diameter Brand: Marley Plumbing & Drainage

£45.55 ex.VAT
£45.55 ex.VAT

450mm Inspection Chamber Base

450mm Inspection Chamber Base

Code: D910 Size: 450mm Diameter Brand: FloPlast

£37.56 ex.VAT
£37.56 ex.VAT

450mm Inspection Chamber Base With 160mm Inlets and Outlets

450mm Inspection Chamber Base With 160mm Inlets and Outlets

Code: 6D900 Size: 160mm Brand: FloPlast

£40.12 ex.VAT
£40.12 ex.VAT

450mm Inspection Chamber Riser (235mm High)

450mm Inspection Chamber Riser (235mm High)

From 5 reviews

Code: D916 Size: 450mm Diameter Brand: FloPlast

£25.32 ex.VAT
£25.32 ex.VAT
From 5 reviews

Inspection Chamber Blanking Plug

Inspection Chamber Blanking Plug

Code: CD454 Size: 110mm Brand: ClarkDrain

£2.92 ex.VAT
£2.92 ex.VAT

Circular Inspection Chamber Reducing Ring

Circular Inspection Chamber Reducing Ring

Code: CLKS499 Size: 450mm Diameter Brand: ClarkDrain

£20.92 ex.VAT
£20.92 ex.VAT

Yard Gully 300mm x 600mm

Yard Gully 300mm x 600mm

From 1 reviews

Code: GULLY300 Size: 300mm Diameter Brand: PBSL Group

£42.51 ex.VAT
£42.51 ex.VAT
From 1 reviews

Yard Gully 450mm x 750mm

Yard Gully 450mm x 750mm

Code: GULLY450 Size: 450mm Diameter Brand: PBSL Group

£56.53 ex.VAT
£56.53 ex.VAT

Yard Gully 450mm x 900mm

Yard Gully 450mm x 900mm

Code: GULLY450X900 Size: 450mm Diameter Brand: PBSL Group

£60.06 ex.VAT
£60.06 ex.VAT

300mm Yard Gully Set With Silt Bucket and Ductile Iron Grating 12.5 Tonne

300mm Yard Gully Set With Silt Bucket and Ductile Iron Grating 12.5 Tonne

From 1 reviews

Code: GULLYSET Size: 300mm Diameter Brand: PBSL Group

£127.20 ex.VAT
£127.20 ex.VAT
From 1 reviews

Guides & Reviews

Top Tips For Buying Drainage Online

Top Tips For Buying Drainage Online

This helpful article gives tips on purchasing drainage materials, from selecting suppliers to comparing prices and checking your list.

Inspection Chambers - The Options Available

Inspection Chambers - The Options Available

This is short video gives an overview of the factors to consider when buying from our wide range of Inspection Chambers.

Comparing PVC Drainage to Other Materials

Comparing PVC Drainage to Other Materials

Not sure whether to install clay or PVC pipes? Read on to learn about the differences between the two systems.

Channel Drainage Garage Packs

Channel Drainage Garage Packs

An overview of our handy Channel Drain Garage Pack - all the parts you need to install channel drainage in front of a standard garage.

Drain Odours - The Main Causes and Cures

Drain Odours - The Main Causes and Cures

There are few things more unpalatable than drain odours – especially inside a house. This article explains how to solve the problem.

Stormsaver Rainwater Harvesting System

Stormsaver Rainwater Harvesting System

Take a look at the innovative Stormsaver Rainwater Harvesting System from Floplast - available from Drainage Sales.

Land Drain System Maintenance

Land Drain System Maintenance

Click here for help and advice on keeping your Land Drains in top condition, and steps to take if they do become blocked.

An Overview of the Channel Drainage System

An Overview of the Channel Drainage System

Learn about the basics of the Domestic Channel Drainage system, including how to join lengths and corners.

Tips for Keeping Household Drains Clear

Tips for Keeping Household Drains Clear

Drainage Sales gives a few hints and tips on how to avoid blocked drains in this short video - click here to see it!

Top Tips for Using Underground Ducting

Top Tips for Using Underground Ducting

A few tips to help you choose and install your Underground Ducting correctly.

Installation & Maintenance

How to Join Underground Drainage Pipes

How to Join Underground Drainage Pipes

A quick Drainage Sales tutorial covering the basics of cutting, chamfering and joining Underground Drainage Pipes.

Underground Drainage Installation

Underground Drainage Installation

This informative video from FloPlast covers all the basics of Underground Drainage Installation, from planning to final implementation.

Ground Guard Installation Sheet

Ground Guard Installation Sheet

Take a look at an instruction leaflet for installing Ground Guard with both soil and gravel surfaces, also available to download.

Land Drains - Connecting Land Drains Together

Land Drains - Connecting Land Drains Together

If you have a large area to drain, you may need to join two or more land drains together. Take a look at our video to find out how.

Using Chambers at a change of direction

Using Chambers at a change of direction

Most people get this wrong! Watch this short video to make sure that your chamber bases are correctly laid out.

Gullies - How, why and where to use them

Gullies - How, why and where to use them

Confused by the wide variety of Gullies available? This video explains the key differences between the different options.

A Guide to Channel Drainage Installation

A Guide to Channel Drainage Installation

A handy Infographic that explains the component parts of the channel drainage system along with an installation guide.

Land Drains - Overview, Layout & Installation

Land Drains - Overview, Layout & Installation

An extended overview of Land Drains, including types of Land Drain, function, layout planning and some helpful installation tips.

Channel Drain Installation Instructions PDF

Channel Drain Installation Instructions PDF

Click here for a link to download our detailed step-by-step PDF installation guide for Channel Drainage Installation.

Channel Drainage Installation - Key Points

Channel Drainage Installation - Key Points

Need a quick reminder? A few key points to bear in mind when installing your Channel Drainage system.

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