It therefore makes more sense to snake the drain line through the overflow drain, unless the clog is just below the floor drain opening. How is that the case?Īs you can see from above diagram, the overflow drain pipe is straight while the pipe from the floor drains takes a few turns. To accomplish that, a tee (T-fitting) is used to connect both the overflow drain and the tub’s floor drain.Īpart from draining excess water from the tub, the overflow drain also plays a vital role when unclogging a bathtub. To plug the drain you simply push the trip lever up and to drain the tub you pull it down.Īs I have already mentioned, the overflow drain and the tub’s main drain share the same drain line. The plunger is what seals the drain when you want to fill the tub. However, inside the vertical section of the overflow drain is an adjustable link chain which is connected to a plunger. What you will see mounted on the drain overflow cover plate is the trip mechanism. You can also convert a trip level stopper into a pop-up stopper as shown in this post. Trip-lever stoppers are what you will see in most alcove bathtubs (bathtubs installed in an alcove/3 wall of the bathroom. On the other hand, trip-lever tub stoppers are installed inside the overflow drain. Pop-up bathtub stoppers are found at the bottom of the tub screwed on the tub’s main drain. These are pop-up bathtub stoppers and trip-lever bathtub stoppers. A tub stopper is the mechanism which allows you to plug the drain and fill the tub with water. It is almost impossible to talk about a bathtub overflow drains without mentioning tub stoppers. The leak is usually caused by a worn our seal/gasket which you can easily replace on your own. Having a floor drain is one such way but be sure to first check your local plumbing codes.Ī bathtub drain overflow can leak, which is manifested by a leaking or stained ceiling of the floor below. It is however important to make sure that you have a mechanism in place to prevent flooding in the bathroom. So, are bathtub overflow drains required? Like must a bathtub have a bathtub overflow drain?Ī bathtub overflow drain is not a requirement. For a permanent solution consider installing an adjustable overflow plate. If you want to stop your bathtub overflow from draining (to have more water in the tub), seal the overflow drain opening using a bathtub overflow cover, plumber’s tape or duct tape. This prevents the tub from overflowing onto the bathroom floor.
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