Does a bathtub need a P-Trap? Yes, you should always install a P-Trap as part of the plumbing of a bathtub or any other wastewater drain system. Failure to include a P-Trap could result in foul smells, harmful gases, and small animals entering through your tub’s drain.

Do all bathtubs have a trap?

P-traps are S-shaped pipe components that keep toxic sewer gases from escaping into your residence. They are required on all plumbing fixtures, including sinks, tubs and showers. Toilets have built-in traps. … Tub and shower traps usually aren’t accessible, however, so they are designed to be permanent.

Where is the bathtub trap?

Most modern bathtubs have a p-trap, which is a curved section of piping located just below the tub’s drain. Drum traps are like a metal box or enclosure that connects to two sections of the tub’s drain pipe.