The Kospel KOPPE4.M-15 three-phase instantaneous water heater heats water instantly and automatically adjusts its power using Inverter technology. The temperature can be set from 30 °C to 60 °C in 1 °C increments. Its A energy rating offers savings of up to 30% compared with mechanical instantaneous water heaters and up to 60% compared with storage water heaters. This wall-mounted unit features an LCD screen and supports remote control via a Wi-Fi app.

The display shows the water inlet and outlet temperatures, energy and water consumption, and operating power. The water heater features three temperature memory settings, scald protection, inlet and outlet water sensors, and a safety thermostat to prevent overheating. It can work with a solar water heater or heat pump and includes a flow switch, a priority switch for multiple electrical appliances, and automatic operating and fault diagnostics.

• Type: Central instantaneous water heater
• Power supply: Electric, three-phase
• Maximum power: 15 kW
• Technology: Inverter
• Maximum temperature: 60 °C
• Temperature setting range: 30–60 °C
• Temperature adjustment accuracy: 1 °C
• Energy rating: A
• App control: Wi-Fi
• Display: LCD
• Temperature memory settings: 3
• Protection: Scald protection
• Sensors: Inlet and outlet water temperature
• Safety: Overheating safety thermostat and multiple safety features
• Compatibility: Solar water heater and heat pump
• Switches: Flow and priority switches for multiple electrical appliances
• Diagnostics: Automatic operating and fault diagnostics
• Installation: Wall-mounted
• Height: 25 cm
• Width: 47.8 cm
• Depth: 9.5 cm