3.3KW Electric Pool & Hot Tub Water Heater with Precision Thermostat — Outdoor SPA/Bath 40°C

Suitable for small swimming pools and bathtubs, this compact 3.3KW electric heater is lightweight and intended to be used with a circulation system. It includes a mechanical temperature control switch for simple, manual temperature setting so you can select the level you need. A built-in high temperature protector provides added safety and reliable operation. The heater is designed to maintain the water of a standard bathtub at a preset level of 40°C. When starting from cold water, expect the temperature to increase at about 6 ~ 8 °C / h. Note: unit must work with a circulation system for proper function.