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Monthly Archives: December 2015

  • How to bleed a radiator in your central heating system

    If your radiators are not heating up thoroughly, it could be that they simply need bleeding. Ineffective radiators can put a strain on your central heating system, including heating pumps such as the Wilo central heating pump from Pump Sales Direct. This means it has to work harder to pump the water around your system, but your house is still not heating up correctly. Bleeding a radiator should ideally be done at the start and end of the winter and is a quick task to complete.

    Radiator Image

    Why should you bleed a radiator?

    If air gets into your heating system and becomes trapped, it can stop it working as efficiently as it should. It is generally very easy to tell whether you have air in your radiator by simply touching it when the heating is on. If it is colder at the top than it is at the bottom, your radiator probably has air in it. Air can also be generated in a heating system when the heating pump blades spin around, such as blades in the Pump Sales Direct Wilo central heating pump. The best method to rectify this is to bleed the radiators.

    How to bleed a radiator

    Bleeding a radiator is a simple DIY task; however, it can become messy and you should always have towels and a jug to hand before you start. This will help to protect the carpets from any dirty water that leaks out of the radiators.

    Turn off the heating

    The heating should be switched off before you start bleeding the radiators. This will stop any boiling water from leaking out or more air getting into the system.

    Bleed radiators in order

    It is important to bleed the radiators in the right order to be as effective as possible. In properties with two or more floors, you should start with the downstairs radiators and work from the one that is located the greatest distance from the boiler. When the radiators on the lower floor are finished, you should employ the same method with the upstairs ones.

    Radiator bleed valves

    The bleed valve is a square plug at the side of a radiator. A radiator bleed valve key, which you can purchase at any DIY store, can be used to loosen the valve. Before you loosen it, hold a cloth underneath and then begin turning it anti-clockwise. You will hear a hissing sound if any air is in the system. When the hissing stops and water comes out, you should close the valve securely.

    This process can then be repeated for all the property’s radiators to ensure they are working efficiently. By doing so, you will heat your home more efficiently and make the best use of your heating system and pump, such as those available from Pump Sales Direct.

  • What is the minimum requirement for workplace temperature?

    A productive workforce is a happy team, and so it pays to make sure their working conditions are comfortable. As an employer, it's important to ensure that the workplace is not hot and stuffy in the summer, and nor will they want to be cold or in draughty rooms in winter; 

    Frozen Office

    The Health and Safety Executive, Great Britain's independent regulator for work-related health, says that there are not actually any minimum or maximum temperatures set in law. A maximum temperature would also be difficult to impose because some people work in high temperatures, such as those found in foundries or glass works.

    Other factors such as radiant temperature, humidity and air velocity come into play.

    However, the HSE does say that the temperature in a workroom should be at least 16º or 13º if much of the work is tough and physical.

    The Workplace (Health, Safety and Welfare) Regulations 1992 says that the temperature of work areas inside buildings should be 'reasonable'. Obviously, this is going to vary depending on whether you work in an office, a warehouse, a factory, a bakery or a cold store.

    The simplest way to measure thermal comfort, according to an article on the HSE website, is to ask your employees or their safety representatives if they feel the temperature is right.

    There is a thermal comfort checklist, which you can download here that includes a range of questions such as whether the air feels warm or hot, whether the temperature changes during a normal working day and whether employees complain that the air is too dry or too humid.

    Problems can be rectified by humidifying or dehumidifying the air, increasing air movement by use of ventilation or air conditioning or restricting the amount of time that employees are working in conditions that are too hot or too cold.

    If a comfortable temperature cannot be maintained in each room because of the type of work conducted there, then local heating can be installed.

    There should also be enough space in each room for the employees and their work stations. Employers also need to make sure their heating systems do not give off dangerous or unpleasant fumes.

    Why a Grundfos Central Heating Pump Is the Right Choice

    Maintenance of the heating system is also very important, as a breakdown and lack of heating would be very unpleasant for employees while they are trying to work. Choosing a central heating pump from Pump Sales Direct means there is no downtime because we have such an extensive range.

    Obviously, in very bad weather in winter you may want to think about closing the workplace if the roads are icy or flooded or severe gales are forecast.

    Although there is no obligation to do so, you may not want to risk your employees' safety if they try to travel in extreme weather conditions.

    Some employees may be able to work from home, or you could ask them to take a holiday or make up the time later. You could also put in an extreme weather policy so workers are clear about when they are and are not expected to make the effort to get to work.

  • Top three shower pump ranges

    Shower pumps are a useful addition to domestic and some commercial settings where low water pressure is a problem. Choosing the correct shower pump is vital to ensure you get the right product for your needs and can use it to its maximum effect. If you are not sure which pump to choose, here are some of the best shower pumps from Pump Sales Direct to help you to narrow down your search.

    1. Grundfos Pumps

      Grundfos Pumps

      When you choose Grundfos pumps from Pump Sales Direct, not only have you got the biggest selection of stock in the UK at your disposal but also you can be confident that you are dealing with a brand that is both reliable and trustworthy. With a world-renowned reputation, Grundfos produces a wide range of shower pumps available in various voltages and with one or two impellers. Whether you are looking for a low voltage shower pump for a small home or you need the extra power of a high voltage pump to keep several bathrooms, a school or leisure centre showers in good working order, Grundfos produces high-performing pumps to boost water flow, whatever your requirements.

    1. Stuart Turner Pumps

      Stuart Turner Pumps

      Stuart Turner has been producing pumps for well over 100 years; therefore, if you are looking for a brand that has experience, expertise and quality under its belt, Stuart Turner shower pumps from Pump Sales Direct should be your top choice. With a wide selection of shower pumps to choose from, you should have little trouble finding what you require. The Monsoon range is a very popular and versatile choice and you will find both single and twin pumps for use in positive and negative head settings and for pumping both hot and cold water. The Showermate range is also proving to be a big hit, with the eco option being the perfect choice for positive head applications in domestic settings.

    1. Salamander Pumps
      Salamander Pumps

      A Salamander shower pump from Pump Sales Direct is the ideal choice for any household that suffers from low water pressure. The huge range of options from this UK-based brand means that you no longer have to suffer from sluggish water flow in your shower. The shower pumps from Salamander are designed to boost water pressure and are suitable for both positive and negative head setups and different bar levels. Whatever your requirements, Salamander should fit the bill perfectly.

    Shop the full range of shower pumps from Pump Sales Direct now.

  • Stuart Turner Pumps: All you need to know about the manufacturer

    Established in 1906, Stuart Turner Pumps has a long history of providing commercial and domestic pumps that are reliable and built to last. As a specialist in the pump industry, the company has a well-deserved reputation as a market leader.



    The company began making steam engines and small petrol and gas engines to drive domestic electricity generators. It continued to make various small engines for marine and military use - it built the generator plant for Shackleton’s Antarctic exploration ship ‘Endurance’ - but in the 1930s it developed and patented a frictionless seal for domestic pumps. Pumps became an increasingly important part of its business, and by the 1960s small electric pumps would become the main product of the company.

    Stuart Turner Pumps

    Through the 1970s and 1980s the company refined its range to produce pumps with improved efficiency and performance. With the beginning of the 21st century, the company moved to a new purpose-built factory, using the latest computer-controlled machine tools to produce its products. In 2010 it expanded its range with multi-stage pumps as well as entry-level domestic shower pumps. That year also saw the launch of the Flowmate brand, targeting the domestic pressure booster market.

    The company is now one of the leaders in products for solving the problem of low water pressure. The range includes the traditional PH booster pump, the Monsoon range, which offers both single and twin pumps for showers, and the Showermate, which is an eco-friendly solution designed for domestic applications. It also offers booster pumps for the latest combi boilers. You can see more details of the range on offer with data sheets for each pump on our site.

    It’s a measure of the company’s confidence in its products that the Stuart Turner Monsoon pump carries a five-year warranty. The Monsoon range is suitable for a variety of shower pump applications. The warranty also extends to the Monsoon Extra range of booster pumps, which are suitable for heavy domestic or even light industrial use.

    All Stuart Turner Pumps products are built to the toughest standards. Every pump produced is inspected to the Quality Management System BS EN ISO 9001:2008 specification and is tested before it leaves the factory, so buyers can be sure they’re getting a quality product, and they also have the extra confidence of a long guarantee to provide peace of mind.

    Shop the full range of Stuart Turner Pumps online today at Pump Sales Direct

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