{"product_id":"taco-0034e-sf2-ecm-high-efficiency-circulator-pump-analog","title":"Taco 0034e-SF2 ECM High Efficiency Circulator Pump Analog","description":"\u003cp\u003eDesigned to keep hydronic heating and recirculation loops operating at peak efficiency, this ECM circulator delivers variable‑speed flow control while minimizing energy waste. The replacement part \u003cstrong\u003e0034e-SF2\u003c\/strong\u003e fits standard Taco pump housings and restores the original high‑efficiency performance of the system.\u003c\/p\u003e\u003cp\u003eLeveraging an electronic commutated motor (ECM), the pump automatically adjusts speed based on demand, providing constant pressure regardless of load changes. Integrated sensors monitor flow and pressure, feeding the controller to fine‑tune motor output for optimal energy use and quiet operation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e Up to 80% reduction in motor power compared to conventional pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Accuracy:\u003c\/strong\u003e Maintains target flow within ±5% tolerance across the speed range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Operation:\u003c\/strong\u003e Noise levels as low as 30 dBA at typical operating points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Cast‑iron housing with corrosion‑resistant seals for long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Sensors:\u003c\/strong\u003e Built‑in pressure and flow monitoring for intelligent speed control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential and light‑commercial hydronic heating loops, domestic hot‑water recirculation, solar‑thermal loops, radiant floor heating, and boiler plant return‑line circulation.\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":43112544927838,"sku":"0034e-SF2","price":1164.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/0034e_SF2_image_7b6344b6-f853-475d-8f06-32ee8c0447cb.png?v=1785940603","url":"https:\/\/nationalboilersupply.com\/products\/taco-0034e-sf2-ecm-high-efficiency-circulator-pump-analog","provider":"National Boiler Supply","version":"1.0","type":"link"}