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OnBuy.com£103.55Visit shop Mcalpine Usg3ss-Sl-Nsc Untrapped Gully, Clamp Ring And Cover Plate, 1½" Horizontal Outlet 5036484044396
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The McAlpine USG3SS-SL-NSC is designed for plumbers and builders installing drainage in wet rooms or shower areas, offering a durable and easily maintained floor gully. Its key benefit is the robust construction and straightforward installation with a removable grate for cleaning. A significant consideration is its untrapped design, which requires proper room ventilation to prevent odors from the drainage system entering the living space. This product features a 1.5" horizontal outlet, stainless steel lid, and is manufactured from corrosion-resistant ABS.
| Model Part Number | USG3SS-SL-NSC |
|---|---|
| Brand | McAlpine |
An untrapped gully means it does not have a built-in water seal (trap) to prevent sewer gases from entering the room. This relies on proper room ventilation to manage potential odors.
While designed for wet rooms, it can be used in a standard shower tray if the tray has a suitable floor outlet. However, its untrapped nature still requires good ventilation.
Wipe with a damp cloth and mild soapy water. For tougher grime, a non-abrasive cleaner specifically for stainless steel can be used. Rinse and dry thoroughly.
The clamp ring secures the gully firmly within the floor structure, providing stability and supporting the surrounding flooring material, such as tiles.
This specific model, USG3SS-SL-NSC, features a stainless steel lid. McAlpine offers similar gullies with white plastic or chrome-plated brass cover plates.
No, the 'NSC' in the product code signifies that it is non-vented, meaning it does not include an anti-siphon trap.
It is suitable for both concrete and suspended timber floors.
Remove the grate and check for blockages such as hair or debris in the waste trap. Clean thoroughly.
Ensure the room has adequate ventilation. While this is an untrapped gully, persistent odors may indicate a plumbing issue elsewhere or insufficient air circulation.
Check the integrity of the seal between the gully and the floor, and ensure the surrounding tiles are properly sloped towards the gully.
Confirm the size of your existing pipework. Use the provided 2" x 1.5" socket reducer if your pipe is 2" and the gully outlet is 1.5", or consider appropriate adapters if your pipe size differs.
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