220V 5.5KW Thermostat Electric Water Heater For Swimming Pool SPA Hot Tub

Widely used in hydrotherapy of water circulation system, hot spring, SPA, hot tub, small swimming pool, etc. Uses: Water circulatory system's hydrotherapy, hot spring, SPA, hot tub scene. Thermostat electric water heater, with water tank insides, stable performance and corrosion resistance.