VR15 Viridian web-enabled, high-efficiency, wet-rotor, variable-speed commercial pump for chilled and hot water applications. This pump features a 115/240v ECM motor that fluctuates between .027 and .680 HP as needed, and a 1-1/2" flanged connection. Viridian pumps allow settings and pump access to be done over an internet connection making installation, setup, and service easy.