Two parallel plumbing systems run in your house simultaneously: one brings the fresh water into your house. The second subsystem drains wastewater out of your house. This drainage system consists of three parts - drain, waste and vent - and is therefore known as the DWV system.

Drain lines collect water from various fixtures. Waste lines carry toilet waste. Vent pipes, which protrude from the roof, allow harmful sewer gases to evaporate, thereby relieving pressure from the drain pipes and enabling waste to flow properly. With the fixtures functioning as their starting point, drain and waste lines slant downwards and wastewater is carried by gravity. The final destination of drain and waste lines is the main sewer line which carries waste matter to a septic tank or to a sewage facility.

There are other ways, besides vents, to remove dangerous gases from your house. A second device, the trap, does a similar job. It is a curved section of the drainpipe located next to each fixture. Some of the water flowing through a fixture goes no further than the trap, thus functioning as a seal against odors that might otherwise enter through the pipes.

Drainpipes are typically made of cast iron, plastic, and sometimes of copper. Drainpipes are larger than water pipes -- diameters range from 4 to 10 cm. -- to reduce the chances of clogs or blockages. The size of the toilet drainpipe is usually 10 cm, the size of the shower drains are 5 cm; and the drainpipe size for sinks and bathtubs are 4-5 cm.

Plumbing Expert Tip

Use drain strainers to catch hair, lint and other debris. You must clean the strainers routinely, making sure the debris does not fall into the drain.

Drain clogs do sometimes occur. To clean out a clog you can start by accessing the traps through their clean-out valves, thus removing common blockages like grease or hair.

Every waste line should contain clean-out valves, from which your skilled New Jersey plumber will be able to clear the pipe. If the clog is impossible to get rid off, call your plumber and he will clean and remove the clog with his drain cleaning equipment. Sewer tapes, plungers, plumber's snakes, and toilet augers are some of the types of apparatuses used for clearing clogged drains. As part of preventive maintenance, you can have your drain pipes cleaned regularly by your New Jersey Plumber, and thus ensure they do not clog.

For additional drain cleaning tips and drain related information contact your New Jersey Plumber.

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