Section R. 325.2154 - Filter accessoriesRule 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.Mich. Admin. Code R. 325.2154
1979 AC; 1983 AACS; 2001 AACS