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Pump replacement offers chance to benefit from variable-speed operation
Published: March 2011
The most important question to ask when a pump needs to be replaced is is there an opportunity to replace with a variable-speed option that will work only as hard as its needs to — according to Grundfos — and giving the potential to save up to 80% of the energy that would be required by a fixed-speed counterpart. Grundfos’s advice is that there are several points that should be considered. • Is the pump correctly sized for the current duty requirement? • Has the building undergone any change of use since the pump was fitted? • What solution would mean least pipe-work modification? • How important is service access? For more information on this story, click here: April 2011, 84 Related articles: 
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