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2. Installing a

at the inlet and outlet of a pool's filter housing provides a means of
determining when the filter needs to be serviced.
A. strainer
B. hydro jet
C. pressure gauge
D. vacuum gauge

1 Answer

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Installing a pressure gauge at the inlet and outlet of a pool's filter housing provides a means of determining when the filter needs to be serviced.

The answer is C. pressure gauge.
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User Syed Qasim Ahmed
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