Fangrui Product Details [compatible Range]he 90240 Water Heater Elements, For Eco 18, 24, 27, 36. Water Heater Elements: Rtex-18, Rtex-24, Rtex-27, Rtex-36, Retex-18, Retex-24, Retex-27, Retex-36. Rmtex-36, Rmtex-27, Rmtex-18, Rmtex-24.eemax Ha018240, Ha024240, Ha027240, Ha036240, Pr018240, Pr024240, Pr027240, Pr0362240, Eem24018, Eem24024, Eem24027, Eem24036./drakken Ahs18d, Ahs27d, Ah18ah24, Ahs24d [product Advantages]our Heating Elements A Lot Of And Maintenance Costs For Your Water Heater Heater Elements Can Effectively Solve Problems Such As Abnormal Water Pressure, Low Water Temperature, Slow Water Flow, Long Heating Time And Water Heater Not Heating. [high Quality Materials] Our Water Heater Elements Are Manufactured From High Quality Copper, , With Antioxidant Substances, Resistance And Mineral Accumulation Resistance, Higher Thermal Conductivity And Longer Life Span Of The Heating Elements Used. [easy Installation]packaged Heating Elements With Leak-proof O-ring Gasket And Screws, And Screw-in Construction