HEATING High efficiency: Small circulation
minute of the day and every heating and cooling system in our housing stock requires a pump to help circulate the water to bring warmth and comfort to every room in the places where we live. Every home has at least one. Small circulating pumps are a key component of all wet heating systems in the UK. They perform as standalone pumps or integrated in combi and system boilers and they keep the water circulating in and air conditioning units too. They are responsible for a much higher percentage of household electricity usage than many realise which is why old uncontrolled pumps were targeted by EU legislation as a way of
V
ast amounts of water, grey water and sewage need moving every
In or out of the EU, the current European Directives still have to be complied with until the separation from Europe becomes a reality.
reducing residential energy usage.
The ErP legislation saw new demands on new pumps being installed and then in equipment that had an integrated pump as part of the technology. There were a the merchants shelves before the end of 2012 of course, but at a far higher price ones. It was clear that many were voting with their wallets. However obvious it was that they offered an immediate contribution to lower electricity bills, the higher purchase price was an obstacle that many were not prepared to vault. It would
take legislation before these seen as a realistic option. From January 2013 high demanded by EU Legislation and as 2013 unfolded and availability of anything other options. Now, three years are being bought in their thousands.
At pump manufacturer Wilo, Gary Wheatley, Training and Technical Manager Wilo UK says he believes the brand’s strength lies in its huge R&D programme that sees it constantly developing
and improving the ease and speed of installation. “Wilo’s series of glandless pumps - Wilo-Yonos PICO, Wilo-Stratos PICO and Wilo-Stratos – are seeing increasing popularity across the board. They are relevant for nearly all applications for heating, air-conditioning and cooling in the building services area,” he says.
BMJ November 2016
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at
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