Looking for a reliable replacement for your Grundfos domestic heating pump? The DUCA APE Pump is here to save the day! Compatible with 230V systems, this pump is a perfect substitute for the Grundfos UPM3 25-80 130 and UPS3 15-50/65 models. Say goodbye to your heating woes and enjoy a seamless, hassle-free operation with the DUCA APE Pump.