Electric Swimming Pool Thermostat SPA Hot Tub Water Heater 18KW 220V. Bullet Points: Effortless Heat Regulation: Achieve effortless temperature control with our pool heaters for inground pools. With an automatic cycle heating function, the thermostat will turn on when needed and turn off once the water temperature reaches or exceeds preset levels, simplifying heat regulation for you Revolutionary Control: Featuring a touch screen display for more accurate control, with temperature displayed visually, ensuring improved visibility and control Improved Heating Efficiency: Boasting a 304 stainless steel heating tube, our pool heaters for inground pools have wonderful thermal conductivity which helps reduce energy costs while accelerating heating time; delivering efficient heat transfer for a quick and enjoyable swim Expert Installation: Designed to be hard-wired, it is important to have a licensed electrician handle the installation process to maximize the heater’s efficiency and lifespan, ensuring safety through proper wiring in this high-powered machine Enhanced Swimming Experience: Enhance Your Swim Experience: No more chilly dips. Our pool heaters for inground pools provide a consistently warm swim that enhances your mood and makes swimming more enjoyable and comfortable Enjoy swimming all year round with our electric pool heater! Featuring an automatic cycle heating system, temperature displayed visually, and high-powered machine, accelerating heating time. Making your pool experience more enjoyable and comfortable. Specifications: Product name: pool heater thermostat Power: 18KW Voltage: two-phase voltage 220v Current: 81.8A Inlet and outlet diameter: about 1.5 inches/3.81cm Product weight: about 9kg/19.8lbs Product size: about 49x10x38cm/19.29×3.94×14.96 inches 1. Fuse protection, quick fuse in extreme situations, quickly disconnect the power supply. Anti-dry burning protection, two sets of temperature sensors monitor the temperature at all times. Water sensing system, automatic shutdown due to water shortage: the machine will not work if the water pump is not started, which can effectively prevent water shortage and irregular application from damaging the machine. Temperature limit button, with automatic shutdown when the temperature reaches the required temperature, and automatic application after the temperature drops, which can prevent damage caused by excessive temperature of the machine. Product introduction: Automatic constant temperature, heating constant temperature can be adjusted according to the required water temperature, the highest setting temperature is about 55°, safe, the machine is equipped with a water sensing device as standard, when the water pump stops or the pipeline lacks water, the machine automatically disconnects the power supply. Note: The thermostat needs to be used with a water pump of corresponding size. If the water pump and the thermostat do not match, the waterflow rate is too small, and the heating tube is dry burned and damaged. 18kw is recommended to be used with a water pump waterflow of 12 cubic meters/hour, and it is recommended to be used with a circulating water pump with a head of 14 meters to 21 meters. Packing List: 1 Pool Heater 1 Instruction Manual Note: The heating time of the pool heater depends on various factors, such as the size of the pool, the required temperature increase, the power of the pool heater, and the ambient temperature. Orders placed on weekend will be delay 1-2 days. We promise to offer the best price and high quality products. Weekend will be delayed a bit.