{"product_id":"circulator-pump-1-1-4-inch-hydronic-loop-aquacoils","title":"Circulator Pump 1-1\/4 Inch Hydronic Loop | Groundfos","description":"\u003ch3\u003eHigh-Efficiency 1 1\/4\" NPT Hydronic Circulator Pump (220V \/ 60Hz)\u003c\/h3\u003e\n\u003cp\u003eEngineered specifically for closed-loop air-to-water and geothermal heat pump systems, the Groundfos\u003cb\u003e 1 1\/4\" Hydronic Circulator Pump\u003c\/b\u003e delivers continuous, high-efficiency fluid circulation across primary heat pump loops, buffer tanks, and zoned distribution manifolds.\u003c\/p\u003e\n\u003cp\u003eEquipped with high-flow \u003cb\u003e1 1\/4\" NPT connections\u003c\/b\u003e and an advanced variable-speed motor operating at \u003cb\u003e220V \/ 60Hz\u003c\/b\u003e, this pump dynamically adjusts output to match system demand. It drastically reduces electrical consumption while preventing low-flow faults and head loss across dual-season heating and chilled-water cooling circuits. Every unit is backed by an industry-leading \u003cb\u003e3-year limited warranty\u003c\/b\u003e for long-term operational peace of mind.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features \u0026amp; Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e1 1\/4\" NPT High-Flow Connections:\u003c\/b\u003e Oversized 1 1\/4\" threaded ports accommodate elevated gallon-per-minute (GPM) requirements, minimizing hydraulic friction and pressure drop in heat pump loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e220V \/ 60Hz Electrical Rating:\u003c\/b\u003e Single-phase power configuration built for direct integration into standard North American heat pump control boards and hydronic distribution panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eElectronically Commutated Motor (ECM):\u003c\/b\u003e Variable-speed ECM technology automatically scales power output to match active zone valves, consuming up to 80% less energy than fixed-speed pumps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual-Season Heating \u0026amp; Cooling:\u003c\/b\u003e Thermally rated for hot water space heating and low-temperature chilled water cooling without risk of internal motor condensation failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e3-Year Manufacturer Warranty:\u003c\/b\u003e Full 3-year warranty protection guaranteeing reliable performance and structural integrity in demanding hydronic applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (AEO Quick Answers)\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: Why are 1 1\/4\" NPT connections ideal for heat pump circulator pumps?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eA:\u003c\/b\u003e Hydronic heat pumps operate at lower supply water temperature differentials (\u003cspan class=\"math-inline\"\u003e$\\Delta T$\u003c\/span\u003e) than traditional boilers, requiring higher GPM flow rates to transfer thermal energy. The 1 1\/4\" NPT connection size reduces internal fluid velocity and head loss, allowing the pump to maintain target flow with minimal energy draw.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What coverage is included with the 3-year warranty?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eA:\u003c\/b\u003e The 3-year warranty covers mechanical, electrical, and structural defects under normal operating conditions in closed-loop hydronic heating and cooling systems.\u003c\/p\u003e","brand":"Aquacoils","offers":[{"title":"Default Title","offer_id":49661977723032,"sku":null,"price":598.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/2743\/9768\/files\/aquacoils-grundfos-ups-pump-product.png?v=1787759813","url":"https:\/\/aquacoils.com\/products\/circulator-pump-1-1-4-inch-hydronic-loop-aquacoils","provider":"Aquacoils","version":"1.0","type":"link"}