McAlpine Shower Trap - STW6-95

The McAlpine STW6-95 is a high-capacity shower trap featuring a 50mm water seal, specifically engi...

Best current price£16.78from The Range

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The RangeMcalpine Stw6-95 50Mm Water Seal Shower Trap With Universal Outlet
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OnBuy.comMcalpine Stw6-95 50Mm Water Seal Shower Trap With Universal Outlet 5036484050601
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B&QB&Q - Stw6-95 50mm Water Seal Shower Trap With Universal Outlet
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AmazonMcAlpine 50mm Shower Trap with Universal Outlet STW6-95
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Product Information

Full details

The McAlpine STW6-95 is a high-performance shower trap designed for homeowners and professional plumbers who require a reliable solution for high-flow shower installations. It excels at managing large volumes of water while preventing sewer odors from entering the bathroom, though its robust 50mm seal depth requires sufficient clearance space beneath your shower tray or bathtub for successful installation.

All features

Model Part NumberSTW6-95
BrandMcAlpine

Extended Product Information

FAQs

Can this trap be used with 40mm pipework?

Yes, the 1.5-inch Multifit connection is compatible with most standard 40mm waste pipe systems.

How often should I clean the trap?

It is recommended to check and clean the removable grid every 3 to 6 months, or sooner if you notice drainage slowing down.

What is the primary purpose of the 50mm water seal?

The 50mm seal is a requirement for many building regulations to ensure a deeper, safer barrier against sewer odors compared to shallower traps.

Is the 95-degree bend adjustable?

The bend is supplied to assist with specific pipe orientations, but it should be fixed securely once the desired angle is achieved during installation.

Can I use this for a bathtub?

While designed for showers, it can be used for bathtubs provided there is enough depth beneath the tub to accommodate the unit.

Is the installation hardware included?

Yes, the unit comes with the 95-degree bend, BSP coupling nut, and necessary sealing components.

Troubleshooting

Slow drainage from the shower

Remove the top grid and check for hair or debris accumulation inside the trap bowl.

Foul smell coming from the drain

Ensure the water seal is full. If the shower hasn't been used in a while, the water may have evaporated; run the shower to replenish the seal.

Leaking at the pipe connection

Check that the coupling nut is tightened securely and verify that the internal rubber gasket is seated properly and not damaged.

Pros and Cons

Pros

  • Excellent flow rate capacity for power showers
  • Deep 50mm water seal prevents odors effectively
  • Easy-to-clean design with removable grid
  • Universal connectivity with 1.5-inch plumbing systems
  • Meets rigorous building regulation standards

Cons

  • Requires significant vertical clearance due to 50mm seal
  • Not suitable for shallow tray installations where space is extremely limited
  • Requires professional installation for optimal leak-free results

Setup, Compatibility & Care

Installation should occur beneath the shower tray or bathtub. Ensure the surface is level and that you have verified the depth requirements for the 50mm seal before final sealing.

  1. Ensure the 1.5-inch BSP thread is correctly seated against the tray outlet with the provided washer to prevent leaks.
  2. Utilize the Multifit connection to join the waste pipe, ensuring a secure, water-tight seal.
  3. Test the installation by pouring a bucket of water down the drain to check for leaks at the joints.

For care, periodically unscrew or lift the removable grid to clear debris. Avoid using caustic, heavy-duty chemical drain cleaners, as these can degrade the internal components over time. Instead, use a simple plastic drain snake or flush with hot, soapy water if flow begins to slow.

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