The Grundfos UPS 15-50 N 230v Hot Water Circulator Service Pump is a high-quality heating system component designed for use with boilers. With a tank capacity of 185115 and a power source of a heat pump, this pump efficiently circulates hot water throughout your heating system. The bronze-coloured pump features stainless steel tank lining, ensuring durability and resistance to corrosion. Operating at 230V, this Grundfos pump is a reliable and efficient choice for maintaining and improving your home heating system.