The Grundfos UPS3 15-50/65 130, a circulation pump in the latest Grundfos Alpha series, has been designed for domestic heating systems, central heating, and underfloor heating. By means of the latest technologies, this circulation pump saves considerably more energy than the older Grundfos models. The central heating pump has a user-friendly operating panel with one button to operate the entire device. Contents of the kit * Grundfos UPS3 15-50/65 130 Circulation Pump * two gaskets (rubber rings) * Manual Replacing your old circulation pump / central heating pump Because of its identical size, your old circulation pump can easily be replaced by a new one. Any handyman can do this, because all you need are water pump pliers; view our video. You can easily find your old pump in the replacement table.