Electric water heater for spas with unique and proven spiral heating element in titanium which creates turbulence in the water flow. It provides outstanding efficiency and extended service life by counteracting mineral deposits on the heater. • Easy installation, fully equipped and pre-wired• Robust, durable construction• Ultra-reliable flow switch allows safe operation• Temperature thermostat and overheating sensor• Compact, durable design• Analogue control with 1.2°C differential• Titanium flow tube and titanium heating element suitable for salt water• Can be floor or vertically wall mounted• Vortex, long life, stay clean heating element technology• 100% efficiency throughout the product life• Silent operation The water heater can be mounted on the floor or vertically on the wall. Ultra-reliable flow switch provides safe operation all the way down to 1,000 liters per hour. User-friendly operation via the analog thermostat, which can be easily set to the desired temperature with a precision of 1.2 oC. The heater must be installed by a professional installer who is qualified for hydrotherapeutic bathing installations. Power supply V/Hz: 220-230 / 50-60Power output kW: 3Phases: 1Min. flow rate requirement m3/h: 1Max. flow rate capacity m3/h: 17Heating element: grade 1 titaniumFlow tube: grade 1 titaniumFlow switch: Gold tipped reed switch with titanium fulcrum pinProtection grade: IP44Max working pressure, bar: 4Mounting: floor and wallCurrent, A: 13Water connections: 1.5” BSP female thread supplied with 1½” / 50mm stepped ABS unions forrigid pipe and 1½” / 1¼” stepped hose tails for flexible pipe