ENGO ETR-868 Wireless Relay Switch 230V AC DIN-Rail Receiver & Transmitter | Remote Control for Boiler, Pump, Fan or Heating Systems - Reliable 868 MHz Communication

The ENGO ETR-868 is a wireless relay switch set (receiver and transmitter) designed to provide reliable remote control of 230V appliances such as boilers, circulation pumps, fans, and electric heaters. Compact, versatile, and simple to install, it eliminates the need for additional wiring runs - making it an ideal solution for retrofit projects, extensions, or modern heating and plumbing upgrades.Built around 868 MHz wireless communication, the ETR-868 ensures stable, interference-free performance for demanding environments. The transmitter and receiver are factory-paired for easy setup, with the option to re-pair if required. Thanks to its volt-free relay output, the ETR-868 integrates seamlessly with a wide range of heating and plumbing systems.Safety and reliability are at the core of the design. The transmitter includes a built-in super-capacitor that sends an OFF signal in the event of power loss, ensuring pumps and connected appliances are never left running unattended. Rated at