{"product_id":"grundfos-magna1-25-100-variable-speed-circulating-pump","title":"Grundfos MAGNA1 25-100 Variable Speed Circulating Pump","description":"\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.55; color: #222;\"\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; margin: 0 0 1.2rem 0;\"\u003eThe Grundfos MAGNA1 25-100 is a reliable, high efficiency circulating pump designed for heating systems with variable flow requirements. Its variable speed operation automatically adjusts pump performance to help maintain effective circulation while reducing unnecessary energy consumption.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; margin: 0 0 1.5rem 0;\"\u003eWith a maximum head of 10 metres, a compact 180 mm port to port length and 1 1\/2 inch threaded connections, this single head pump is suitable for a wide range of domestic and light commercial heating installations. The straight forward controls and robust construction make it a practical choice for both home owners and heating professionals.\u003c\/p\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin: 0 0 1.5rem 0;\"\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; border-radius: 8px; padding: 1rem; color: #222;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eVariable speed control\u003c\/strong\u003e\u003cbr\u003eAdjusts pump output to suit changing heating system demand.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #f0f8f6; border: 1px solid #008377CF; border-radius: 8px; padding: 1rem; color: #222;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003e10m maximum head\u003c\/strong\u003e\u003cbr\u003eProvides dependable circulation for suitable domestic and light commercial systems.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; border-radius: 8px; padding: 1rem; color: #222;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eEnergy conscious operation\u003c\/strong\u003e\u003cbr\u003eUses only the power required for the selected operating condition.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #f0f8f6; border: 1px solid #008377CF; border-radius: 8px; padding: 1rem; color: #222;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eCompact 180 mm installation length\u003c\/strong\u003e\u003cbr\u003eDesigned to suit installations requiring a standard 180 mm pump dimension.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; border-radius: 8px; padding: 1rem; color: #222;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eSimple installation format\u003c\/strong\u003e\u003cbr\u003eFeatures G 1 1\/2 inch threaded pipe connections and a PN10 pressure rating.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #f0f8f6; border: 1px solid #008377CF; border-radius: 8px; padding: 1rem; color: #222;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eBuilt for heating systems\u003c\/strong\u003e\u003cbr\u003eSuitable for circulating water across compatible heating applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; width: 100%; border-collapse: collapse; border: 1px solid #008377CF; margin: 0 0 1.5rem 0; color: #222;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; width: 42%; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eVariable speed electronic circulating pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eGrundfos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eMAGNA1 25-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eMaximum head\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e100 dm \/ 10 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003ePower input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e9-176 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eRated voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e1 x 230 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eMains frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eMaximum current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e0.09-1.42A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003ePipe connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eG1 1\/2 inch threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003ePressure rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003ePN10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003ePort to port length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003ePumped liquid\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eLiquid temperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e-10°C to 110°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eMaximum operating pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e10 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eAmbient temperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e0°C to 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eEnclosure class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eX4D \/ IPX4D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eInsulation class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eEnergy efficiency index\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eEEI 0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003ePump housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eCast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eImpeller material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003ePES, 30% glass filled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eNet weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eApproximately 4.41 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003eCE, VDE, EAC, UKCA and additional regional approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; border: 1px solid #008377CF; padding: 0.8rem;\"\u003e5712608941870\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eSuitable Applications\u003c\/h2\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border-left: 6px solid #008377CF; border-radius: 6px; padding: 1rem; margin: 0 0 0.8rem 0;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eDomestic heating systems\u003c\/strong\u003e\u003cbr\u003eSuitable for compatible central heating and hydronic heating installations where dependable variable flow circulation is required.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #f0f8f6; border-left: 6px solid #008377CF; border-radius: 6px; padding: 1rem; margin: 0 0 0.8rem 0;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eLight commercial heating\u003c\/strong\u003e\u003cbr\u003eA practical option for suitable smaller commercial systems requiring a compact, electronically controlled circulator.\u003c\/div\u003e\n\u003cdiv style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #e5f4f1; border-left: 6px solid #008377CF; border-radius: 6px; padding: 1rem; margin: 0 0 0.8rem 0;\"\u003e\n\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf;\"\u003eReplacement pump projects\u003c\/strong\u003e\u003cbr\u003eThe 180 mm port to port length and G1 1\/2 inch connections make it suitable for compatible replacement applications.\u003c\/div\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; background-color: #008377cf; color: #fff; border-radius: 6px; padding: 1rem; margin: 1.5rem 0 0 0;\"\u003e\u003cstrong style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eInstallation note:\u003c\/strong\u003e Always confirm the required pump duty, connection size, installation length, system pressure and electrical requirements before purchase. Installation and electrical connection should be completed by a suitably qualified professional.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":65979106722141,"sku":"99221214","price":950.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/magna1-32-100-8.jpg?v=1789980211","url":"https:\/\/qualityheating.co.uk\/products\/grundfos-magna1-25-100-variable-speed-circulating-pump","provider":"AIZO Quality Heating","version":"1.0","type":"link"}