The Potent Spa Heaters are intended for use on Spas or hot tubs having a forced water circulation system. The heater will maintain the water at any enjoyable relaxing temperature for as long as the system is on. shuts off automatically when the system is turned off or when the water drops setting level by users.
Important Note:
The water flow through the heater should be at 20 Gpm but should be not exceed 120 Gpm higher flow may damage the heater.