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The McAlpine STW6-R 50mm Water Seal Resealing Shower Trap is designed for plumbers and homeowners looking to efficiently connect a shower waste to a drainage system. Its key benefit is a 50mm resealing water seal that effectively prevents foul odors from entering living spaces, enhanced by a multifit outlet for versatile pipe connections and an easy-clean removable grid. A potential caveat is that its shallower water seal, while space-saving, may increase the risk of blockages compared to deeper seals if not properly maintained.
| Model Part Number | STW6-R |
|---|---|
| Brand | McAlpine |
A resealing trap has an internal mechanism, often a membrane, that creates a seal to prevent odors from escaping, even if there isn't a constant flow of water to maintain a traditional water seal. This is especially useful in infrequently used bathrooms or where water pressure might be low.
The STW6-R features a shallower 50mm water seal, which allows it to be fitted into shower trays with less vertical space underneath. This is beneficial for installations with limited clearance.
It is recommended to clean the removable grid at least once a month, or more frequently if you notice slow drainage or if long hair and soap scum are common in your household.
Yes, the multifit outlet is designed to connect to various pipe sizes, typically including 40mm. You may need to ensure a secure fit depending on whether it's a push-fit or solvent weld connection.
The trap features a 1.5" BSP thread for connecting to the included 95° bend.
It is suitable for standard shower trays with a 50mm waste outlet. For specific systems like power showers with very high flow rates, ensure the trap's capacity meets the demand, although this model is generally robust for typical use.
Ensure the resealing mechanism is functioning correctly. If the shower is rarely used, run water through the trap periodically to maintain the seal. Check for any excessive ventilation near the drain that might be siphoning the trap.
Remove and clean the debris grid thoroughly. Check the waste pipe connected to the trap for any blockages. Ensure the 95° bend is not obstructed.
Verify the water seal is present. Clean the removable grid and the trap body. If odors persist, ensure the trap is correctly installed and sealed to the waste pipe, and consider using a drain cleaner designed to eliminate organic matter.
Ensure you are using the correct type of pipe (e.g., push-fit or solvent weld) and the appropriate adapter if needed for your specific waste pipe system. Check that the pipe ends are clean and cut squarely.
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