Brett Martin B2800 280mm Inspection Chamber Base
- Brett Martin B2800 inspection chamber base, 280mm diameter with 205mm invert depth
- Three 110mm ring seal inlets: one main channel plus two at 45° angles for flexible pipe connections
- Includes two removable socket plugs to seal off unused inlets
- Designed for shallow inspection chambers up to 600mm depth, meeting Building Regulations Part H1
- Watertight push-fit design compatible with 280mm risers such as the B2801
The Brett Martin B2800 280mm Inspection Chamber Base is a sturdy and practical solution for plumbers, drainage engineers, and civil contractors needing reliable shallow drainage access. Its robust design ensures a watertight seal while simplifying installation, making it a trusted choice for inspection chamber foundations.
Application
This chamber base is ideal for shallow drainage systems up to 600mm deep, providing accessible maintenance points in underground drainage runs. It works well with 280mm risers like the B2801 and matching lids, suitable for both surface water and foul water drainage. The three 110mm ring seal inlets offer versatile connection options, accommodating mainline and angled pipework to fit site requirements.
Dimension
- Diameter: 280mm (11")
- Invert depth: 205mm (8")
- Installation depth up to 600mm (24") when used with compatible risers and lids
Material
- Durable, weather-resistant plastic constructed for long-lasting, watertight performance
Type
- Drainage inspection chamber base
Please note: This product includes removable socket plugs for unused inlets and is designed for use with compatible 280mm risers and lids. Images are for illustration purposes only.
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £10 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £20 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.
