Grundfos UPMS 20-78 Circulator Pump – OEM Outdoor Wood Boiler – WoodMaster
Grundfos UPMS 20-78 F ECM Circulator – p/n 5800056. The Grundfos UPMS 20-78 F is a high-efficiency ECM variable-speed circulator built for demanding hydronic and outdoor wood boiler systems. The Taco 011 earned its reputation by moving a lot of water — and it still does.