{"product_id":"taco-121-cast-iron-three-piece-circulating-pump-1-4-hp","title":"Taco 121 Cast Iron Three Piece Circulating Pump 1\/4 HP","description":"\u003cp\u003eEfficiently manage your hydronic heating or chilled water system with the high-performance \u003cstrong\u003e121\u003c\/strong\u003e three-piece circulator by Taco. This professional-grade pump is designed to provide consistent, reliable flow across a wide variety of residential and commercial applications, ensuring your system operates at peak capacity.\u003c\/p\u003e\u003cp\u003eThe three-piece design utilizes a robust motor assembly, flexible coupling, and circulator pump to reduce noise and vibration during operation. By isolating the pump's rotating components, the system achieves a longer service life and easier maintenance for mechanical systems that demand dependable thermal regulation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Circulation:\u003c\/strong\u003e Engineered for steady water movement in both heated and chilled hydronic circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhisper-Quiet Operation:\u003c\/strong\u003e Three-piece architecture minimizes noise transmission throughout building loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Cast iron casing provides excellent thermal conductivity and structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Reliability:\u003c\/strong\u003e Manufactured to high standards for long-term endurance in demanding solar and HVAC environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial hydronic heating systems, residential zone pumping, chilled water loops, and solar thermal energy transfer installations.\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":43124352188510,"sku":"121","price":1888.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/121_image_30a366a6-da76-44ba-b720-532a8c7c13d9.png?v=1786034901","url":"https:\/\/nationalboilersupply.com\/products\/taco-121-cast-iron-three-piece-circulating-pump-1-4-hp","provider":"National Boiler Supply","version":"1.0","type":"link"}