The SECURE HFT4 is a mains operated electronic frost protection thermostat designed to ensure your plumbing and pipes remain free from ice, preventing damage and interruptions to your water supply. This device is expertly crafted to provide a reliable solution for frost protection, with a non-programmable interface that allows for straightforward operation. It features a sleek white square design that can be easily wall-mounted, measuring a compact 100mm x 100mm. The HFT4 model operates at a voltage of 230V and includes batteries for immediate setup. With its auto system switching capability, this thermostat provides a balanced and efficient approach to maintaining your home's heat and frost protection.