R 325.2154
R 325.2154 Filter accessories.
Cite as Mich. Admin. Code R 325.2154
Rule 54. (1) A swimming pool owner shall ensure that a filter system is equipped with
valves and piping necessary to isolate the filters for maintenance and repair and to
completely drain all parts of the filter system.
(2) A swimming pool owner shall ensure that a pressure-type filter system is equipped
with a gauge to indicate the filter influent pressure and, if the filter system is lower than
the swimming pool water surface, is equipped with a gauge to measure the filter effluent
pressure.
(3) A swimming pool owner shall ensure that a pressure gauge meets all of the following
requirements:
(a) Is graduated in pounds per square inch (psi).
(b) Has an appropriate range of readings.
(c) Is a minimum of 2 inches in diameter.
(d) Is located so it can be read easily.
(4) A swimming pool owner shall ensure that a pressure filter tank has a manual air release
connected to the top of the tank, unless air can be expelled easily by another means.
(5) A swimming pool owner shall ensure that a vacuum-type filter system is equipped
with a vacuum gauge in the piping between the filter and the recirculation pump.
(6) A swimming pool owner shall ensure that the vacuum gauge meets all of the following
requirements:
(a) Is graduated in inches of mercury in 1-inch increments.
(b) Has an appropriate range of readings.
(c) Is a minimum of 2 inches in diameter.
(d) Is located so it can be read easily.