Rugged and Durable : It is made of polished and sanded 304 stainless steel, so it is water-resistant and has a long service life, ideal for chlorinated or saltwater pools and spas.

High Efficiency : Its 28kW power provides you with 40 GPM of pool water flow and 4.75 GPM of hot water flow. Two fluids of different starting temperatures flow through the heat exchanger. Heat is transferred from one fluid to the other.

Fast Heating : This product provides a heat output of 28K Btu/H based on a temperature difference between the incoming water and the hot water, providing immediate heating without waiting.

Durable Material : The hot tub water heater is made of premium stainless steel, strong, reliable, durable and long service life.

Thermostat Heating Speed : Thermostat heating speed is very high with stable water flow

Thermostat and Reset Switch : This thermostat has been specially designed for hot and cold bathtubs and is suitable for swimming pools with 1-2 cubic meters of water. The electric thermostat can also heat cold water, mainly for heating and for constant temperature functions

▲The heat exchanger is made of high quality stainless steel, corrosion resistant and very durable. I..