Heating Chamber Residential Tankless Water Heater, GRAY, Instant Tankless Electric Hot Water ,Versatile Applications

External adjustable digital thermostatic control with LED display (+/1 degree accuracy Copper immersion two heating elements, field Serviceable.Self-modulating power control Simple installation 1/2 NPT adapters included, side 1/2 inch Compression water connections 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head 1.5 GPM Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM