Grundfos UPS 25-80 (130) Light Commercial Heating Pump Circulator, 230v. The UPS 25-80 is a three-speed circulator which is used primarily for one and two-pipe heating systems. The pump is details are : Ceramic shaft and radial bearings Carbon axial bearing Stainless steel rotor can and bearing plate Corrosion-resistant impeller Cast iron pump housing This pump has 130mm port to port dimensions and requires 1.5 inch fittings. Note: Fittings are not supplied with the pump but are available as an optional extra MPN: Grundfos UPS 25-80 Grundfos UPS 25-80: Grundfos UPS 25-80 NOTE: DUE TO RECENT LEGISLATION CHANGES, THIS PUMP IS ONLY SUITABLE AS A DIRECT REPLACEMENT WITHIN AN EXISTING SYSTEM. This product is only suitable as a replacement for a NON-ERP pump. For new installations or replacements of an ERP pump, an ERP rated pump must be fitted.