EcoSmart: ECO 36, ECO 27, and ECO 18 Eemax: HA036240, HA027240, HA018240 - PR036240, PR027240, PR018240 - EEM24036, EEM24027, EEM24018 iHeat/Drakken: AHS27D, AHS18D, AH27, AH18 Rheem: RTEX-36, RTEX-27, RTEX-18 - RETEX-36, RETEX-27, RETEX-18 Richmond: RMTEX-36, RMTEX-27, RMTEX-18 IKKY HEAT, Heating Element HE9K240VSS, 9000W-240V, Replacement Bostemp, EcoSmart, Eemax, iHeat, Rheem, Richmond Brands, Stainless Steel Material. SPECIFICATIONS: Power Rating: 9000W-240V, Voltage Rating: 208-240 Volts, Density is for high wattage, Gasket type O-Ring included, Plug type: Screw-in, Length of the entire item, from the screws at bottom of plastic plug to the end of element "U" turn: 14" inches, Length from end of brass plug with threads to end of element "U" turn: 13" inches (including the brass threads), Length of the Stainless Steel anode element material: 12 1/2" inches (NOT including the brass threads), Weight of item not including packaging: 14.2 ounces, Sheath material: Stainless Steel Material. Certifications and approvals: UL, CSA The Heating Element is Stainless Steel, A Material with a High Corrosion Resistance. Scale and corrosion are a common cause of failure for heating elements. IKKY HEAT, USA Brand.