Yard Gully - 450mm Diameter x 750mm Deep

Name: Yard Gully - 450mm Diameter x 750mm Deep
Brand: PBSL Group
SKU: uuzk77zu5e
Availability: InStock

This roddable yard gully features a 450mm diameter and 750mm depth. It is equipped with a 160mm sp...

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Product Information

Full details

The PBSL Group GULLY450 is a roddable yard gully designed for property owners and professional contractors seeking a lightweight, durable solution for effective surface water drainage. This unit excels in its ease of handling compared to heavy concrete alternatives and features a built-in trap to manage foul odors; however, users should note that proper installation requires a stable foundation such as a brickwork or concrete slab to ensure long-term structural integrity.

All features

Model Part Number	GULLY450
Brand	PBSL Group

Extended Product Information

FAQs

Can this gully be used with 110mm pipe?

Yes, the 160mm outlet can be reduced to 110mm using a standard pipe reducer.

Is the grate included?

The unit is designed to be installed with an iron grating, which is typically sourced separately based on load requirements.

Why is the depth 750mm?

This deep design allows for sediment settlement and ensures a more effective water trap, preventing odors from escaping.

Is it suitable for driveways?

Yes, provided it is installed with an appropriately rated load-bearing iron grating and is supported by a solid concrete surround.

What is the material composition?

The gully is constructed from lightweight, high-durability PVC, which is resistant to rot and corrosion.

Troubleshooting

Water draining slowly

Check the trap and outlet for sediment or debris blockage; perform a rodding procedure.

Unpleasant odors around the gully

Ensure the water trap has not dried out; if it has, flush the gully with water to replenish the seal.

Loose pipe connection

Verify that you are using the correct adapter (GULLYADP) for 150mm twinwall or the proper socket sizing for 160mm/110mm pipework.

Pros and Cons

Pros

Significantly lighter than concrete alternatives
Easy to install and handle
Versatile connection options for 110mm, 150mm, and 160mm systems
Integrated trap prevents foul odors
Durable, corrosion-resistant PVC material

Cons

Requires professional site preparation (brickwork/concrete slab)
Adapter required for specific 150mm twinwall connections
Deep 750mm profile requires deeper excavation

Setup, Compatibility & Care

Installation should always start with a level, load-bearing foundation.

Excavation: Dig a hole large enough to accommodate the 450mm diameter plus backfill clearance.
Foundation: Lay a concrete slab or construct a brickwork base to support the gully base.
Connection: Fit the outlet pipe. If connecting to a 150mm twinwall pipe, apply the GULLYADP adapter. Ensure seals are secure.
Surrounding: Backfill with appropriate granular material and finish with a standard iron grating.
Maintenance: Regularly lift the grating to inspect the trap for sediment build-up. Flush with water or use drainage rods if a blockage is detected.