New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 1100 - PUBLIC BATHING PLACES
Part Env-Wq 1102 - DEFINITIONS
Section Env-Wq 1102.09 - Circulation system

"Circulation system" means the totality of the mechanical components including, but not limited to, pumps, hair and lint strainers, filters, valves, gauges, meters, heaters, surface skimmers, inlet/outlet fittings, and chemical feeding devices, that are a part of a system connected to a pool or spa which, when connected to each other by piping, perform as a coordinated system for purposes of maintaining pool or spa water in a clear and sanitary condition.

(See Revision Note at chapter heading for Env-Wq 1100) #8468, eff 11-1-05