Simplify your drainage layout with the versatile 4All Drainage Channel Quad Box. This multi-functional inspection chamber offers a cost-effective and corrosion-proof solution for changing direction, connecting multiple runs, or gaining access to your 4All system.
Designed for A15 pedestrian areas, this box features a robust polypropylene body and a high-strength, rust-free black plastic lid. It provides essential access for maintenance while maintaining a clean, uniform look that blends with the standard 4All channels.
Key Features:
4-Way Functionality: Use as a straight inline connector, a 90-degree corner, a T-junction, or a simple end point, thanks to knockouts on all four sides.
A15 EN1433 Certified: Rated for foot traffic, patios, garden paths, and light domestic use (up to 1.5 tonnes).
Durable Plastic Lid: A black, flush-fitting grate that is 100% rust-proof and safe for use around pools or coastal areas.
Easy Access: The removable lid creates an inspection point for clearing blockages or connecting to underground pipes.
Modular & Compatible: Works seamlessly with all standard 4All 1-metre channel lengths.
Technical Specifications:
Product Code: 30MHCCH018
Dimensions: Compatible with standard 130mm wide channels (Approximate dimensions: 130mm W x 130mm L x 130mm H)
Material: Full Polypropylene (Body & Lid)
Load Class: A15 (1.5 Tonnes)
Standard: EN1433 approved
TJ’s Tip:
For maximum stability and to ensure the A15 rating holds up, always bed the entire quad box unit in a concrete or mortar base during installation. Only use a hole saw to remove the knockout points you need for your specific layout; leave unused points intact for a watertight seal.
* Effective from 3 December 2025 * Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.
Zone Indicator:
To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:
Types of goods
Available zones
Descriptions
Small & light items
All Zone area
Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors)
Large and bulky items Extra Large items
Zone 1 & 2 only
Wet & hazardous bagged, items over 20Kg weight & oversized; Euronics white goods, TVs of all sizes.
Large Paint items (6L / 6L+)
Zone 1 only
Large hazardous items (6L+) - available for collection
Available zones
Indicator
Descriptions
All zone area
This icon with all zone area in green, indicates this items can be shipped to all Zone.
Zone 1 & 2 only
Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2
Zone 1 only
Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only.
Old Appliance Collection:
When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.
At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within 30 days of delivery.
This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.
Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.