Only found in the Uno version of the Steel model, prior to ca. 2016, this heating element is held to the boiler with the two fixing nuts and sealed with two o-rings (not included). Espresso Parts Guarantee: We guarantee a full refund or replacement of all defective products at no additional cost to you. Most electrical items have specified limited warranties. If an electrical device fails to function due to manufacturers defect, Espresso Parts will repair or replace the device (TBD). *Important Note: All Special Order Items as well as Equipment, Electrical Items (scales, heating elements, switches, flowmeters, vibratory pumps, thermostats, etc.), Pump Heads, Solenoids, Custom Work and Books are NOT eligible for return. All sales are final on this merchandise. Learn more on our return policy page. If you have any questions or need assistance we have an awesome customer support team that would love to help you! Please call us! 1-800-459-5594 or email: info@espressoparts.com