Xylem-Bell & Gossett 104451LF Ecocirc XL 36-45 High-Efficiency Circulator Pump 1/6 HP 115V

The Xylem-Bell & Gossett 104451LF Ecocirc XL N 36-45 is a high-efficiency wet rotor circulator pump designed for commercial and residential hydronic heating and cooling systems. This lead-free stainless steel circulator features an advanced electronically commutated motor (ECM) with permanent magnet technology, delivering superior energy efficiency and reliable performance for HVAC and plumbing applications.

Key Features:

• Lead-free stainless steel construction certified to NSF 372, ideal for potable water systems
• 1/6 HP ECM motor operating at 115V, single phase, 50/60 Hz with variable speed range of 1500-4450 RPM
• Maximum flow rate of 45 GPM with maximum head of 36 feet
• Maximum operating temperature of 230°F and maximum working pressure of 175 PSI
• Three intelligent control modes: proportional pressure, constant pressure, and constant speed
• User-friendly interface with four buttons and clear display for easy operation
• Built-in dry-run protection prevents motor damage when no water is present
• Night mode functionality for additional energy savings
• Advanced settings accessible via optional wireless or RS-485 cable connection
• Flanged connection design for secure installation

The ecocirc XL combines state-of-the-art hydraulics with advanced motor design and intelligent controls, making it ideal for hydronic systems, radiant floor heating, hot water recirculation, and chilled water applications. The pump's electronics are separated from the pump body to prevent condensation issues, ensuring worry-free operation even at temperatures as low as 14°F. For optimal performance and warranty compliance, installation of a magnetic filtration system is recommended to protect the ECM motor from debris.