{"product_id":"grundfos-magna1-40-40-f-cast-iron-variable-speed-circulator-pump-heating-surfaces-composite-impeller","title":"Grundfos MAGNA1 40-40 F Cast Iron Variable Speed Circulator Pump for Heating Surfaces with Composite Impeller","description":"\u003cp\u003eSized with a 40 mm nominal bore, the Grundfos MAGNA1 40-40 F circulator pump provides electronically controlled variable flow for commercial fan coil headers, radiant cooling circuits, and secondary heating loops. Its integrated frequency converter automatically adjusts speed based on circuit demand.\u003c\/p\u003e\n\u003cp\u003eAn EN-GJL-200 cast iron pump housing with a 220 mm port-to-port dimension encases a composite impeller and maintenance-free canned rotor. Built for 10 bar working pressure, it handles circulating temperatures from -10°C to 110°C, with an overall net weight of 9.57 kg.\u003c\/p\u003e\n\u003cp\u003eDriven by a permanent magnet ECM motor with a maximum power input (P1) of 12 W to 90 W, electrical power input (P1) modulates between 12 W and 90 W with a maximum current draw of 0.72 A on a 1 x 230-240 V supply. Hydraulic performance produces up to 7.35 m³\/h (122 L\/Min) against a maximum head of 2.529 m through DN 40 DIN flanged ports.\u003c\/p\u003e\n\u003cp\u003eControl options encompass three proportional pressure curves, three constant pressure curves, and three fixed speeds. The unit achieves an EEI rating of 0.20, incorporates Class F insulation with an IPX4D enclosure, and provides digital run\/stop and fault relay contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDN 40 four-bolt flange connections conform to EN 1092-2 commercial piping standards\u003c\/li\u003e\n\u003cli\u003ePermanent magnet motor technology achieves an Energy Efficiency Index (EEI) of 0.20\u003c\/li\u003e\n\u003cli\u003eOperating power self-adjusts between 12 W and 90 W according to circuit valve status\u003c\/li\u003e\n\u003cli\u003eCast iron EN-GJL-200 housing rated for 10 bar maximum operational pressure\u003c\/li\u003e\n\u003cli\u003eComposite impeller provides chemical durability in treated water and glycol\u003c\/li\u003e\n\u003cli\u003eDigital start\/stop input and fault alarm relay output serve building control systems\u003c\/li\u003e\n\u003cli\u003eCompact 220 mm port-to-port dimension fits standard commercial plant manifolds\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":51139451486455,"sku":"99221291","price":2106.72,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-magna1-40-40-f-cast-iron-variable-speed-circulator-pump-heating-surfaces-composite-impeller.png?v=1789019362","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-magna1-40-40-f-cast-iron-variable-speed-circulator-pump-heating-surfaces-composite-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}