Brett Martin B5494 450mm Diameter Inspection Chamber Base 110mm
- Brett Martin B5494 inspection chamber base with 450mm (17.7in) diameter and five 110mm (4.3in) ring seal inlets
- Designed for secure, leak-resistant connection to 110mm drainage pipes
- Includes three socket plugs to seal unused inlets effectively
- Meets Building Regulations Part H1 when installed as specified
- Ideal for plumbers and drainage engineers needing durable, accessible inspection points
The Brett Martin B5494 450mm Inspection Chamber Base with 110mm inlets provides a reliable access point for underground drainage systems. Designed for plumbers, drainage engineers and civil contractors, this chamber base offers a secure, maintainable solution that supports compliance with Building Regulations Part H1. Please note, images are for illustration purposes only.
Application
This inspection chamber base is typically installed at low points in drainage runs to facilitate easy inspection, cleaning and maintenance of 110mm diameter pipework. Suitable for civil engineering and plumbing projects, it can be combined with riser sections to accommodate installations up to 1.2 metres deep. Its five ring seal inlets ensure a watertight connection and flexibility for multiple drainage pipe entries.
Dimension
- Overall diameter: 450mm (17.7 inches)
- Pipe inlet size: 110mm (4.3 inches) ring seal inlets (x5)
Material
- Durable, weather-resistant polypropylene for long-lasting performance
Type
- Drainage inspection chamber base
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.
