Online Jacuzzi heater to keep the water in tub warm to 40 degree C. Glass wool insulated Stainless steel tank with immersion heater in housing and stainless steel enclosure with temperature controller. Can be installed in new as well as existing Jacuzzi. FEATURES : High flow heater housing Full Range Thermostat High Temperature and High Pressure Protection Weather tight construction Heater On/off indication Electronic Control Panel Available in 220V / 415 V