Understanding the difference between P-Trap and S-Trap toilet installations is essential when selecting the right toilet for your bathroom.
P-TRAP
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Toilet bowl with wall drainage
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Waste pipe goes out to the wall
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Measurement is taken from the floor to the center of the waste pipe
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Standard measurement: 180mm
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Waste pipe is connected using a pan collar
S-TRAP
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Toilet bowl with ground drainage
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Waste pipe goes through the floor
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Measurement is taken from the wall to the center of the waste pipe
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Standard measurement: 150mm to 250mm
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Waste pipe is connected using a pan collar
Please take note that the WC size is still the same, the only difference is whether the trap is positioned below or at the back.
