Question 1 of 4
Intermediate

Which Grundfos solutions come with dry run protection features?

Question 2 of 4
Intermediate

How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?

Question 3 of 4
Intermediate

Which of the following is not a typical method used in rainwater harvesting systems?

Question 4 of 4
Intermediate

Why do some rainwater harvesting pumps make lots of noise?

Question 4 of 4
Intermediate

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1: Which Grundfos solutions come with dry run protection features?
SCALA1 and SCALA1 systems
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1: Which Grundfos solutions come with dry run protection features?
SCALA2 and SB/A pumps
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1: Which Grundfos solutions come with dry run protection features?
All of the above
2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
10-35%
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2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
40-70%
2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?
75-95%
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3: Which of the following is not a typical method used in rainwater harvesting systems?
Water is collected in a storage tank and pumped directly to points of use
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3: Which of the following is not a typical method used in rainwater harvesting systems?
Water is collected in a storage tank and fed by gravity to points of use
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3: Which of the following is not a typical method used in rainwater harvesting systems?
Water is collected from the roof guttering and pumped directly down to the points of use.
4: Why do some rainwater harvesting pumps make lots of noise?
They are built to amplify sound
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4: Why do some rainwater harvesting pumps make lots of noise?
They lack soundproofing
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4: Why do some rainwater harvesting pumps make lots of noise?
Older, outdated technology can cause vibrations in the water piping system.