Water Heater Compatible Models: HE 90240 water heater element can replaces 80240 heater element, fits for Ecosmart Electric Tankless Water Heater ECO 18, ECO 24, ECO 27, ECO 36;fits for IHeat/Drakken AH18 AH24 AH27 AHS18D AHS24D AHS27D; fits for Richmond RMTEX-18 RMTEX-24 RMTEX-27 RMTEX-36,fits for Rheem RTEX-18 RTEX-24 RTEX-27 RTEX-36 RETEX-18 RETEX-24 RETEX-27 RETEX-36,fits forEemax HA018240 HA024240 HA027240 HA036240 PR018240 PR024240 PR 027240 PR036240. .High Quality:HE 90240 heating elements are made of high quality brass with an antioxidant coating. They have excellent thermal conductivity, high temperature resistance, corrosion resistance and resistance to mineral build-up. .Product Introduction：HE 90240 heating element parameter is 9000W 240V，with leak-proof O-ring gasket and screws, and screw-in construction for easy installation. .Easy Installation：Individually packaged heating element and the water heater element connection structure is screw-in construction, which requires only a few minutes for routine maintenance，and the new O-ring acts as a seal. .Good After-sales Service：Please rest assured to purchase. If you have any questions, please contact us. We will reply to you in a timely manner and help you solve the problem, thank you for your support.