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Monthly Archives: May 2018

  • Can a shower pump be used with a combi boiler?

    shower pumps

    At Pump Sales Direct, one of our most enduringly popular products is the shower pump. And as one of our most popular products, the burden of responsibility falls on us to provide all potential and current customers with the information with which to make a smart and informed purchase. As simple as the premise of a shower pump is - to boost the water flow emanating from a shower - there are a variety of surrounding complexities that can act as stumbling blocks for customers. One of the most prevalent of which we are going to attempt to answer today - can a shower pump be used with a combi boiler?

    What is a combi boiler?

    Combi (or combination) boilers are the culmination of a recent spate of research and investment into making a more compact, energy-efficient and cost-efficient replacement for the traditional boiler. While their comparable efficiency has made them a popular choice in recent years they still lag someway behind conventional boilers - partly because of their newness and partly because they can only service smaller properties.

    Essentially, a combi boiler is a central heating boiler and a high efficiency water heater rolled into one single compact unit. They operate at mains pressure, which means they don’t the hot and cold water tanks that typically provide for a traditional boiler - which has has advantages and disadvantages. On the one hand, they are able to provide an instant supply of temperature regulated water as and when required. On the other hand, they are only able to provide homes with a limited supply of water, meaning that combi boilers are only really sufficient for smaller properties where its capacity to provide hot water to only one source at a time isn’t an issue.

    Why can’t a shower pump be used with a combi boiler?

    Combi boilers’ reliance on mains pressure is both a blessing and a curse. While it saves space by rendering hot and cold water tanks redundant, it also negates the possibility of adding a shower pump to the system to bolster water pressure.

    What are the alternatives?

    Ideally, you made sure to check that the flow rate and capacity of your combi boiler is compatible with your shower prior to purchase. However, if you hadn’t, you may need to install an entirely new shower in order to get your water pressure up to the desired level.

    What if I don’t have a combi boiler?

    If however, you don’t have a combi boiler fitted in your home, shower booster pumps are more than capable of boosting your shower’s water pressure. Instead of being stuck with a shower that isn’t compatible with the rest of your home’s system, most traditional setups can easily be altered and adjusted for the better with the addition of a home booster pump.

    Stuart Turner shower pumps and Salamander shower pumps alike, we have a diverse range of quiet shower pumps available at Pump Sales Direct. If you have any questions or queries about any of our products, please do not hesitate to get in touch with a member our team by email or phone - or even this contact form.

  • How long do shower pumps last?

    Grundfos shower pumps

    A shower pump can have a transformative impact on the quality of the showers in your home. There can however, be an imposing number of barriers to acquiring a quality and affordable pump that perfectly services your home. A shower pump is a sizeable investment and you want to be sure that every penny that you do put towards it is worth it. Acquiring a top of the range product that services your home perfectly is essential. With this in mind, we have put together this guide that answers many of the most common questions and queries that people have when it comes to Grundfos shower pumps. There are a number of inherent factors that affect the lifespan of shower pumps but it is worth noting that there are external factors that also play a role.

    Brand name

    A well-respected and well renowned brand name is often a signifier of quality and the same is true for shower pumps. At Pump Sales Direct, you will only find products from leading manufacturers, meaning that you can rest assured that each and every purchase you make is a worthwhile investment.

    Water quality in your area

    The hardness of water is dictated by the levels of dissolved minerals that are present within it. High volumes of magnesium and calcium make hard water particularly reactive - leading to a plethora of inconvenient outcomes. Washing your hands with a combination of soap and hard water is likely to leave behind a residue of sorts. Similarly, in the presence of heat, dissolved calcium reacts to form solid carbon carbonate, which is why hard water leaves behind scale in heating equipment throughout the home. Because of this reaction, the harder the water is in your area, the quicker your shower pump is likely to deteriorate. Therefore, the lifespan of a shower pump can be reduced by the quality of your water supply.

    So, what is the average lifespan of a shower pump?

    Typically, excepting the influence of all the aforementioned factors and any other uncontrollable interruptions, you can expect a shower pump to last for somewhere around eight years. Of course, this is just a generalised observation and if you are looking for further indication of the durability of the shower pump you are buying, you are best checking the duration of the warranty that has been offered to you. A warranty more or less guarantees the product’s survival. At Pump Sales Direct, the vast majority of our shower pumps are protected by comprehensive two year warranties.

    Where to direct any further questions and queries you may have

    If you feel any of your questions have been left unanswered, or if you simply need further explanation or clarification, please do not hesitate to get in touch. Our dedicated team are ready and waiting to field any of your questions and queries. Call us on 0800 008 6405, email us or use the contact form on our website.

  • How do self-priming pumps work?

    self-priming pumps Flojet self-priming pump

    Self-priming pumps are a staple of the pumps industry.  From important environmental sustainability projects (water desalination plants) to huge commercial operations (petrochemical plants), self-priming pumps are incredibly important for many different people in many different environments. If, for whatever reason, you are not overly familiar with self-priming pumps and how they work, don’t worry. Before we get into the best ways to utilise self-priming pumps, we will first provide an explanation of exactly what self-priming pumps are and how they work.

    A self-priming pump is a form of centrifugal pump, the other of which is positive displacement pumps. Centrifugal pumps use centrifugal force to generate a pressure differential in a liquid. This pressure differential causes the liquid to move from an area of higher pressure to an area of lower pressure, allowing centrifugal pumps to pump fluids from one area to another. A (non-self-priming) centrifugal pump requires its casing to be completely submerged in liquid for it to be able to operate properly. As air is far harder to pump than liquid, the presence of air in a (non-self-priming) centrifugal pump renders it air bound. Meanwhile, a self-priming pump is able to operate in an air-water mixture by transforming this mixture into a fluid that can be pumped.

    Self-priming pumps have their in-built water reservoir to thank for this ability. The reservoir of water allows self-priming pumps to recirculate water within the pump at will, ridding the pump of the air that prevents it from operating whenever necessary. For this reason, self-priming pumps have the rare distinction of being able to turn a previously unpumpable mixture of air and water into a fluid that it can comfortably exercise control over.

    Self-priming pumps’ ability to work in a mixture of air and water makes them far more versatile than their non-self-priming counterparts, which allows them to work in a broader range of environments. In industrial chemical processes, a lot of the chemicals involved are volatile, making the ability to self-prime vital when air does seep into centrifugal pumps. Similarly, the number of air entrained liquids involved in the paper-making process makes self-priming pumps a common sight in paper mills across the world. As well as being suited to these industries, self-priming pumps are also popular in the wastewater treatment field amongst others.

    At Pump Sales Direct, we have a range of only the highest quality self-priming pumps available at the most affordable prices. If you require any more information on any of these products, please do not hesitate to contact us - one of our helpful and knowledgeable team will be on hand to help. You can get in touch by telephone, email or through this contact page.

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