How Waste Traps, P Traps, Bottle Traps and U Bends Work
How do Waste Traps Work? A waste trap uses a water barrier to stop the foul smelling gas and odour from a foul drain from entering a room. ... Once loose grip hold of the screw connector on the base of the sink drain and unscrew this. Hold it vertical and then empty the contents into the bowl/container;
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