Question 1 of 4
Intermediate

What is the purpose of household rainwater harvesting?

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How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?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 Grundfos solutions come with dry run protection features?

Question 4 of 4
Intermediate

Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?

Question 4 of 4
Intermediate

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1: What is the purpose of household rainwater harvesting?
To collect and reuse rainwater in domestic applications like flushing toilets, watering gardens or washsing clothes.
1: What is the purpose of household rainwater harvesting?
To collect and reuse rainwater in domestic applications like drinking water and showering.
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1: What is the purpose of household rainwater harvesting?
To collect and reuse rainwater in commercial applications like fire spinkler systems.
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2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?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2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?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2: How much more energy can older, outdated pumps consume when compared to newer, energy efficeint models?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 Grundfos solutions come with dry run protection features?
SCALA1 and SCALA1 systems
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3: Which Grundfos solutions come with dry run protection features?
SCALA2 and SB/A pumps
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3: Which Grundfos solutions come with dry run protection features?
All of the above
4: Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?
Incorrect pipe dimensioning
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4: Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?
Poor pump control
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4: Which of the following is not a common cause of insufficient water pressure in rainwater harvesting system pumps?
Oversized pump