Is a pump needed under the sink?

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juleb

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Currently doing a small kitchen reno. Will a water trap system under the sink work properly without a water pump?
 

Diehard

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Sorry but I don't quite get what you are talking about.

Typical kitchen sink requires a water seal p-trap that is installed meeting requirements of plumbing code.
There are many minor variations depending on the specific requirements.
For example, single basin or 2 basins, with or without disposal unit, piped vent or Air Admittance Valve(AAV). And/or other unusual situations.

Why are you asking about a water pump? Do you have some type of odd arrangement to prevent the typical drain and vent requirements?
 
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