This pump is a GRUNDFOS UPS 25-60 180 Inline Circulating Pump, Cast Iron Construction for Heating & Cooling Applications. 32mm Ports,180mm between centres.
Requires Unions see below.
The Grundfos UPS 25-60 has Cast Iron Construction for Heating & Cooling Applications. 25mm Ports, 180mm between centres.
GRUNDFOS UPS 25-60 can be used in both open and closed systems. UPS pumps are of the canned-rotor type, i.e. pump and motor form an integral unit without a shaft seal and with only two gaskets for sealing. The bearings are lubricated by the pumped liquid.