McAlpine Untrapped Gully - T150SS

The McAlpine USG1-T150SS is an untrapped gully designed for use with pumped waste systems. It feat...

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OnBuy.comMcalpine Usg1-T150ss Untrapped Gully. Tile/Grating With Removable Grid, 22Mm Horizontal Plain Outlet For Use With Pumped Waste
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eBayMcAlpine USG1-T150SS Untrapped Gully. Tile/Grating, 22mm Horiz Plain Outlet
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Product Information

Full details

The McAlpine USG1-T150SS is an untrapped gully designed for professionals installing pumped waste systems in wet rooms and shower areas. Its key benefit is providing a durable, corrosion-resistant drainage point with easy access for cleaning, particularly suitable for tiled or stone floors. A caveat is its specific use with pumped waste systems due to the untrapped design.

All features

Model Part NumberUSG1-T150SS
BrandMcAlpine

Extended Product Information

FAQs

What is an untrapped gully?

An untrapped gully does not have a water seal (like a U-bend) to prevent sewer gases from entering the room. It relies on the connected waste pump to remove water immediately, thus minimizing standing water and potential odor sources. It is crucial to use these only with appropriate pumped waste systems.

Can I use this with a standard gravity drain?

No, this gully is specifically designed for use with pumped waste systems due to its untrapped nature. It will not provide adequate protection against sewer gases if used with a gravity drainage system.

What size tile fits the grating?

The 'T150' in the product name signifies that the tile or stone insert for the grating measures 150mm x 150mm.

How often should I clean the gully?

It is recommended to remove and clean the grid at least monthly, or more frequently if the area experiences heavy use or has a lot of hair/debris, to maintain optimal drainage and hygiene.

What type of floors can this be installed in?

This gully is suitable for installation in both concrete and suspended timber floors, making it versatile for various construction types.

What material is the gully body made from?

The gully body is manufactured from high-quality ABS plastic.

Is the stainless steel tile/grating prone to rust?

The stainless steel grating is designed for durability and corrosion resistance in wet environments. However, like all stainless steel, it can be affected by harsh chemicals or prolonged exposure to certain corrosive substances. Regular cleaning helps maintain its appearance and integrity.

Troubleshooting

Gully not draining effectively

Check the connected waste pump operation. Ensure the pump is activated and functioning correctly. Remove the gully grid and clear any obstructions in the gully itself or the inlet to the pump.

Water pooling around the gully

Verify the floor has adequate falls towards the gully. Ensure the gully body is correctly sealed to the floor and waterproofing membrane. Check that the waste pump is adequately sized for the expected water volume.

Unpleasant odors

As this is an untrapped gully, odors can arise if water does not reach the pump frequently. Ensure the pump is activating as expected and clearing water promptly. Regular cleaning of the grid and gully is essential.

Grid is difficult to remove

Ensure no debris is jamming the grid. Use a flat-head screwdriver or a specialized tool in the provided slots to gently lever the grid upwards.

Pros and Cons

Pros

  • Durable and corrosion-resistant construction with stainless steel.
  • Easy to clean and maintain due to the removable grid.
  • Specifically designed for compatibility with pumped waste systems.
  • Aesthetically versatile for tiled or stone floor finishes.
  • Low overall height for minimal impact on floor build-up.

Cons

  • Untrapped design requires a pumped waste system; not suitable for gravity drainage.
  • Limited outlet size (22mm) may restrict flow rate in very high-demand situations without a suitable pump.
  • Requires careful installation to ensure proper sealing and integration with flooring.
  • ABS material, while durable, might be perceived as less premium than solid metal by some.

Setup, Compatibility & Care

Setup:

  1. Ensure the floor substrate (concrete or suspended timber) is prepared and suitable for a floor drain installation.
  2. Position the gully body, ensuring the 22mm horizontal plain outlet is oriented towards the connection point for the waste pump.
  3. Secure the gully body in place according to standard plumbing practices, ensuring a watertight seal with the surrounding floor structure and membrane.
  4. Install the tile/grating assembly, ensuring it is seated correctly and securely.

Compatibility:

  • Pumped Waste Systems Only: This gully is specifically designed for use with pumped waste systems. It is *not* suitable for gravity drainage applications.
  • Floor Types: Compatible with concrete and suspended timber floors.
  • Finishes: Accepts 150mm x 150mm tiles or stone for a customized look.

Care:

  • Regularly remove the grid to clear any debris, hair, or soap scum.
  • Clean the stainless steel grating and ABS body with a damp cloth and mild detergent. Avoid abrasive cleaners that could scratch the stainless steel finish.
  • Periodically check the connection to the waste pump system to ensure it is free from blockages.

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