How Does a Bathtub Overflow Drain Work?

bathtub waste and overflow

If you’ve ever faced a plumbing issue due to bathtub waste and overflow, then you know how disastrous it can be. From damaging your home to make a mess to clean up. However, various devices are used to prevent an overflow from happening.

In our showers, it includes a special drain known as an overflow drain. Overflow drain is mostly used in various facilities like warehouses, manufacturing facilities and the places where it’s important to monitor the level of water.

In most of the houses, an overflow drain is inserted to prevent water from spilling out of the faucet which is left on the level of water in the tub it gets full before you get in.

Working of Bathtub Overflow

When you close the drain of your bathroom sink and fill up the sink at the level of the overflow hole, then the water began draining into the overflow opening and down the drain. It helps to prevent the water from spoiling over the top of the basin, but generally, sink overflow holes are small so they may not prevent an overflow for very long.

If the faucet run with full flow, overflow fitting on a tub is a great way to prevent water from overflowing from the tub drain opening. Read More: Why You Should Go Choose Sensor Soap Dispenser?

Improving Drainage System

In basins, the sink overflow allows the air to enter the drain pipe via the overflow channel. So, when there is enough water in the basin to completely cover the drain opening, the drain can’t get any air through the water and this creates a suction effect that reduces the water flow that going down the drain.

But with the help of overflow feeding air to the drainpipe, the suction effect is reduced and the water drains faster. Perhaps, the sinks don’t have overflow opening and commonly send up bubble as they drain that typically drain slower.

What are the different types of bathtub drain stoppers?

There are the two most common types of overflow drains that you can use for your home. The first is Integral Overflow, and the second is Traditional Overflow. The traditional overflow comprises a hole that is cut into the side of the bathtub. This allows the water flow to collect inside and on the outer walls to drain.

The integral overflow fixes inside the tub to let the excess water drain that allows water that is collected inside and on the outer walls to drain. Generally, the drain is built into the walls that make it less noticeable.

This drain is built into the bathtub’s inner walls, which makes it less prominent. Whether you choose the integral overflow or the traditional one, make sure that it works perfectly in your bathroom.

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