Section R. 325.2145 - Recirculation pumpsRule 45.
(1) A swimming pool owner shall ensure that a recirculation system is equipped with a single pump that has a sufficient capacity for recirculating the swimming pool volume of water within the time period required in R 325.2136 and for providing flow adequate for cleaning the filters.(2) A swimming pool owner shall ensure that the pump and motor meet all of the following requirements: (a) Are capable of continuous operation.(b) Are self-priming if the pump or suction piping is above the swimming pool water level.(c) Are manufactured of materials suitable for continuous exposure to water and normal concentrations of pool treatment chemicals.(d) Are securely mounted to prevent strain on the piping.(e) Are equipped with an emergency shutoff device.(3) A swimming pool owner shall install a gauge to measure the pump discharge pressure.(4) If the water is pumped from the swimming pool to the filters, a swimming pool owner shall provide a strainer on the suction side of the pump and shall ensure that the strainer meets all of the following requirements: (a) Is corrosion-resistant, readily removable, and easily cleanable.(b) Is equipped with valves to permit removal of the strainer basket without water flowing through the chamber.(c) Is provided with a spare strainer basket .(5) A swimming pool owner shall not install a timer to control the operation of the recirculation pump.Mich. Admin. Code R. 325.2145
1979 AC; 1983 AACS; 2001 AACS