![]() Positive or Negative Booster pump? Basically, the pumps available at booster pump supplier in UAE are divided into two main categories. First, you need to choose a positive or negative booster pump. Next, you have to choose a single impeller or a double impeller. In both cases, these decisions will be based on how your water system is set up. A positive head pump will require a gap of at least 50cm between the shower head and the bottom of the cistern. This is because this type of pump uses gravity to kickstart the impeller, ensuring that both cold and hot water can be pumped efficiently. Conversely, a negative head will be required in situations where the pump for your shower is to be set either at the same level as your cold water tank or above it, thereby enabling it to suck the water out from the tank. Single or Twin Impeller? As far as impellers go, a single impeller is only able to pump from one water supply – in most instances, this will be the hot water. Pumps of an older age are often single impeller plus negative head, a combination that is likely to result in pipe freeze during the colder months. These are best avoided if possible. Twin impellers are a more modern alternative and can pump from both the hot and cold water supplies. In an ideal scenario, pumps of this type should be located in an airing cupboard because they can be noisy. A twin impeller is recommended in most circumstances these days. However, if your water supply is consistent, which is often the case if your home is located on a hill, you could consider fitting a single impeller on your hot water supply. Regenerative or Centrifugal Booster pump? Finally, you will need to consider whether you require a regenerative or centrifugal booster pump. As the name suggests, water is moved by centrifugal force in a centrifugal pump. With a regenerative pump, the water flow follows the impeller rotation. There are pros and cons to both systems. A regenerative pump is best if you are looking for a cheaper option or plan to set your pump in an attic or loft. On the other hand, centrifugal pumps are far quieter, which could be a consideration depending on where you are planning to place it. For more info contact booster pump supplier in uae or call us at +971 4 252 2966
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