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Backflow Preventers and Systems-The Facts You Need to Know About Them

The backflow preventer systems are often necessary in a residential property especially where there is a connection in the plumbing units to an irrigation system. Quite a number of the homeowners often use extensive sprinkler systems for the sake of getting their lawns and yards irrigated. In a number of cases, there is hardly a separation that is inbuilt between the irrigation systems and the water that is used for the domestic uses in the home such as that for drinking. This is often a scenario that often leaves the potential and room for backflow, the situation where water moves back into the sprinklers.

As a matter of fact, the home will stand exposed to lots and lots of risks as a result of this given the fact that the water will often be laden with traces of contaminants such as fertilizers, pesticides and herbicides. This will essentially get to contaminate the clean water flowing in the systems and will quite prove to be a health hazard. It will be well advisable for you to have installed the backflow preventers so as to help prevent the instances of such backflows. Backflow preventers are by far and large systems of valves and they come of varied types each type ideal for a particular purpose and varied situations. It will as well be necessary to get to know just how it is that backflows occur.

The first thing that we need to mention is the fact that backflow is not a normal occurrence. In most cases, water from the suppliers, the municipal water supplier, will flow in the right direction in your sprinkler systems. However, you need to note the fact that there are a number of situations that will create the risk of the reversal of the normal flow of water. The following are some of the typical cases where you risk having the cases of reversal of the flow of water in your systems.

One case is such as where you happen to be using a nearby fire hydrant. In such cases where these are used nearby, they often cause drastic changes in the water pressure. As a result of this, after the water hydrant has been used and the water is turned back on for use, the pressure lost will be a cause for siphoning back of the water into the systems. The other cause of the cases of backflow is such as the case of breaks in the water mains supply. When such bursts get to occur in the water supply systems, they get to cause changes in the water gradients and as such these eventually get to cause the water to change its flow direction. The other cause of backflow that we will mention is where the sprinklers are so installed in a slop.

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