Swimming pool and spa heater electric. Note:this item only support 220v. This thermostat is designed specifically for the hot tub, the thermostat is. Installed in the pipeline jacuzzi. When adding hot water bath, start the. Pump, the thermostat automatically heat insulation work, so the water. Temperature bath maintained at 39 degrees celsius, give your jacuzzi to. Create a more comfortable environment. The initial set temperature settings: coasts equipped with ultra-high. Temperature protection thermostat switch, thermostat to limit overheating. And protect users against danger, however, users should be done after the. Installation is complete, the first under the premise of safety checks to. Ensure that the operation of the thermostat’s normal function, by using the. Tub filled with water to a suitable level and start the system automatically. Checks and let the system run until the thermostat temperature stabilized at. The highest level and display lights go out, use an accurate thermometer to. Measure the water temperature should be at 40 °c. Coasts thermostat operation is fully automated, clockwise, the heating is. On, indicator light, temperature reaches a preset temperature, will that temperature. The thermostat can be maintained within a temperature not exceeding 40 °c. If cold water is started, will be 6 8 °c / h elevated. Automatic heating: thermostat will first reach the preset temperature, then stop working until the temperature dropped a few degrees, the. Thermostat automatically turns on. Ultra-high temperature (over 49 °c), ultra-high temperature switch will. Automatically trip (power off). Coasts thermostat outlet to the bath tub in the middle of the pipe or valve. Or check valve can not be installed. 1 x 220v 3kw spa heater. We have always been trying to provide the best service and reliable. Products for every customer, however, accident may happen sometimes, please. Others country 10-20 business. Please kindly check if you can do the. Damaged or that are not under normal operating conditions as a result of.The item “Swimming Pool and SPA Heater Electric Heating Thermostat 3KW 220V” is in sale since Thursday, April 09, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Parts & Maintenance\Pool Heaters & Solar Panels”. The seller is “function-e.mall” and is located in Shenzhen. This item can be shipped worldwide.