IAPMO PS 115-2019
IAPMO PS 115-2019
Hot Water On-Demand or Automatic Activated Hot Water Pumping Systemsstandard by International Association of Plumbing and Mechanical Officials, 2019
standard by International Association of Plumbing and Mechanical Officials, 2019
IAPMO PS 115-2019 covers hot water on-demand or automatic activated hot water pumping systems intended for hot to cold water distribution and specifies requirements for materials, physical characteristics, performance testing, and markings.