WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer/birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.Booster Water Heater is for large, conveyor-type dishwashing operations. Features a burner system that utilizes both primary and secondary air for consistent ignition. Spark to light with standing pilot. Stainless steel tank. 6" Black legs. Six tube type burners. Temperature/pressure relief valve. Low-water cut-off. Available in natural or LP gas.