Eemax EX278A Eco-Standard Temp Range Thermostat Eemax Tankless water heaters heat your water faster, heat your water with more precision, and heat your water safer Eemax water heaters are designed to reduce liming and calcification Eemax water heaters are designed and tested to last past the 10 year mark Heat water instantly where you use it, so you don't have to waste water waiting for the water to heat up Micro-processors keep the water the exact temperature with +/- 1 Degree accuracy to prevent scalding