- GEBERIT Valves – world’s best!
- Concealed pan for easy cleaning
- ABS soft close seat
- Stainless steel hinges
- WELS 4 Star rated
- Available as P-Trap or S-Trap
- Dual bottom inlet
- Includes concealed floor fixing kit
An S-trap toilet features a curved waste pipe that extends down to the floor, commonly found in older homes with floor-mounted plumbing. However, it’s more susceptible to siphoning, which can cause the water seal to dry out and allow sewer gases to enter the home. A P-trap toilet, on the other hand, uses a horizontal waste arm that connects to a waste pipe in the wall. This design provides a more reliable water seal, is standard in modern construction, and is ideal for wall-hung toilets or upper floors. The key difference between the two is the pipe's exit point (floor vs. wall) and the resulting reliability of the water seal in preventing odors.
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S-Trap Toilet
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Shape: Curved like an "S," it connects to the waste pipe through the floor.
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Installation: Commonly used in ground-floor bathrooms with floor-mounted plumbing.
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Pros: A practical choice if your plumbing is already set up for a floor outlet.
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Cons: More prone to siphoning, which can cause the water seal to dry out and allow sewer gases to leak into the bathroom. Modern building codes often discourage or prohibit S-traps due to ventilation issues.
P-Trap Toilet
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Shape: Features a horizontal waste arm that curves down like a "P" and connects to the waste pipe in the wall.
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Installation: Ideal for wall-hung toilets or bathrooms with wall-mounted plumbing.
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Pros: The horizontal connection to a vent pipe ensures a more reliable water seal, making it less likely to lose its seal and preventing sewer gases from entering the home.
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Cons: If not installed properly, it can still lose its seal and allow foul gases to escape into the home.
Key Considerations When Choosing
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Plumbing Setup: The main factor is whether your bathroom’s waste outlet is in the wall (which requires a P-trap) or in the floor (which requires an S-trap).
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Building Codes: P-traps are the standard in modern construction and are more likely to meet current building codes due to their better performance in preventing sewer gas leaks.
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Odor Prevention: P-traps are more effective at preventing sewer gases from entering the home, thanks to their improved ability to maintain a secure water seal.
