The HydroStat 3150 Universal Temperature Limit and Low Water Cut-Off for Oil Boilers is a reliable and efficient tankless water heater and boiler control system. With a 1-year warranty and compatibility with smart home systems, this product provides peace of mind and convenience for homeowners looking to maintain optimal temperatures in their heating system. Made in the United States and powered by oil, the HydroStat 3150 offers a sleek design with dimensions of 6 1/4 inches in height, 3 inches in depth, and 4 1/2 inches in width. Its functionality and durability make it a valuable addition to any home heating system.