The PowerSMART SV2 spa control sets a new standard in equipment levels for small to medium sized spas. Designed for operating 1 or 2 pump* spas the SV2 features Smart Variable Heater technology with Dynamic Thermal Tuning, a complete heat pump interface for cost effective heating and cooling of your spa, PowerSAVE technology for lower daily operating costs as well as a host of industry leading features and flexible configuration options.