Drains are used for three main reasons. Firstly, drains are established to conduit wastewater away to salvage plants. Secondly, drains are used to funnel surface and rainwater to stream. Thirdly, drains are used to gather water into a repository. Drain Types Drains are a chiefly structural component in any business. Different types of drains are as follows:sewerage drainsre-circulated drainsstorm water drainsSewer drainsSewer drains are used to remove black water from the buildings. Sewer drains distracts gases that is produced by the trash. Water comes from toilets drain is named as black water. Black water contains excrement and waste matters. Gray water does not contain any excrement yet this Gray water is produced at fixtures such as shower, sink, and baths. This wastewater is deflected through water purification plants and gravity. In certain areas, cesspits or septic systems are established which is used to accumulate the sewage water. Storm water drainsThese type of drains are inducted to drain away the surplus rain water from the surface. These drains are mostly found along the sidewalks.Re-circulated drainsRe-circulated drains are commonly used in fountains and swimming pools. In Re-circulated drains, the used water is reprocessed and employed for reuse. A re-circulated drain requires various safeties measured during its installation. Suction entrapment and Duct entanglement are the main causes of mortalities with these drain types. InstallationRe-circulated drain installation is quite complex. There are many standards and regulations that need to be covered during Re-circulated drains installation.MaintenanceModern drains do not require allot of preservation and maintenance. Our company Plumber Harrow mentions few tips to certify that the drain of your home stay clear. These helpful tips provided by our company Plumbers Harrow help the homeowner to keep drain system in a good condition:Avoid flushing toilet paper or different objects down the toilet system.Carrying out seasonal maintenanceDiscarding remaining food into a waste bin“