Reliable replacement solution: Direct Water Full Pump Impeller is engineered to eliminate E2 errors and excessive noise, revitalizing your heating system's performance. Materials: Constructed from strong plastic with a stainless steel/ceramic shaft core, this impeller is built to withstand wear and tear for dependable service over time. Designed for performance: Rubber tips and protective rings minimize friction between motors, enhancing the efficiency of your water pumping operations. Included components: Your includes one essential rotor, making it convenient to the old impeller without hassle. Use scenarios: In a residential heating system where the pump is noisy or showing E2 errors, replacing with this impeller restores quiet operation and reliable flow. In a boiler or hot water recirculation loop where reduced flow is due to worn impellers, installing this rotor improves pumping efficiency and heating performance. For DIY maintenance or scheduled service in homes or small commercial setups to extend pump life.