{"product_id":"grundfos-magna1-32-60-cast-iron-variable-speed-circulator-pump-heat-pump-systems-composite-impeller","title":"Grundfos MAGNA1 32-60 Cast Iron Variable Speed Circulator Pump for Heat Pump Systems with Composite Impeller","description":"\u003cp\u003eCombining 2-inch threaded ports with variable-speed control, the Grundfos MAGNA1 32-60 circulator pump serves ground-source heat pump circuits, underfloor manifold systems, and radiator zones. Its integrated inverter continuously optimizes pump speed based on circuit demand.\u003c\/p\u003e\n\u003cp\u003eThe casing is cast from EN-GJL-200 iron with a 180 mm port-to-port dimension, housing a precision composite impeller and canned rotor assembly. Rated for 10 bar system pressure, the pump operates across liquid temperatures from -10°C to 110°C, weighing 4.61 kg.\u003c\/p\u003e\n\u003cp\u003eA 1-phase 230-240 V ECM motor has a maximum power input (P1) of 9 W to 111 W with electrical input power (P1) operating from 9 W to a peak of 111 W at 0.90 A maximum current. Output metrics yield a flow rate of 4.79 m³\/h (80 L\/Min) with a maximum head of 6 m through 2 inch threaded pipe ports.\u003c\/p\u003e\n\u003cp\u003eThe push-button control panel provides quick selection of nine operational modes covering proportional pressure, constant pressure, and fixed speed curves. The unit holds an EEI rating of 0.20, IPX4D ingress protection, Class F insulation, and an integrated fault signal relay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectronically commutated motor achieves an Energy Efficiency Index (EEI) of 0.20\u003c\/li\u003e\n\u003cli\u003eNine control modes adapt output for radiator heating and underfloor circuits\u003c\/li\u003e\n\u003cli\u003eSelf-adjusting power consumption ranges from 9 W to 111 W according to system load\u003c\/li\u003e\n\u003cli\u003eCast iron EN-GJL-200 housing built for 10 bar maximum system pressure\u003c\/li\u003e\n\u003cli\u003eComposite impeller construction resists chemical corrosion in glycol mixtures\u003c\/li\u003e\n\u003cli\u003eExternal digital start\/stop input and fault alarm relay output for automation\u003c\/li\u003e\n\u003cli\u003e180 mm port-to-port dimension with 2 inch external threaded connections\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":51139441492215,"sku":"99221234","price":1794.27,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-magna1-32-60-cast-iron-variable-speed-circulator-pump-heat-pump-systems-composite-impeller.png?v=1789019348","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-magna1-32-60-cast-iron-variable-speed-circulator-pump-heat-pump-systems-composite-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}