【Long service life】The UP15-18B5 circulation pump also features corrosion resistance and wear resistance, ensuring a long service life. UP B is a circulator pump with a bronze pump housing for drinking water applications, while Grundfos UP N has stainless-steel pump housing. Both variants are recommended for underfloor heating systems Bronze Circulator Pump, 1/2" Sweat, 1/25HP, 115V Specification: Material: Bronze housing for extended durability and corrosion resistance. Power: 1/25 HP 【Wide application】UP15-18B5 circulation pump can be used in hydraulic heating systems, fan coil heating, and drinking water circulation, and can be installed in various pipelines, heating, and cooling systems The Grundfos circulator pumps, Series UP, are specifically designed for heating systems.The pumps … We will reply to your message and provide a satisfactory solution in time Most importantly, it operates quietly, allowing for silent operation during nighttime circulation 1/2 Sweat UP15-18B5/LC 1-Speed Bronze Circulator Pump, 115V... 【Built-in motor protection】Our UP15-18B5 circulation pump is equipped with a motor protection device. It is an indispensable component of your hydraulic heating system or drinking water circulation system With Timer Grundfos 59896124 UP - 1/25 HP - Single-Speed - Bronze - 3/4-Inch Sweat - Check Valve Circulation Pump 【Quality after-sales service】MARGAR provides 100% satisfied customer service.