External digital thermostatic control with LED display offering precise temperature monitoring. Features self-modulation technology to adjust power according to hot water demand. Equipped with durable copper immersion heating elements and designed for easy serviceability. Flow rate reaches up to 4.4 GPM. Installation is straightforward with 3/4 inch NPT water connections. Threaded design allows for easy replacement, complemented by a digital temperature display. Note that this product may have variations in fit, age rating, language, labeling, or instructions if sourced from abroad. A suitable adapter may be required for use. Please be aware that manufacturer warranty may not apply, but legal rights may provide additional protection.