Grundfos UP43-75BF 1/6 HP Bronze Circulator Pump 115V Flanged

The Grundfos UP43-75BF (Model 52722370) is a reliable single-speed circulator pump designed for residential and light commercial hydronic heating systems. This compact circulator features a durable bronze body construction with flanged connections for easy installation and maintenance.

Key Specifications:

• Power: 1/6 HP motor operating on 115V single-phase electrical supply
• Construction: Bronze pump body with flanged connections for secure, leak-free mounting
• Speed: Single-speed operation for consistent, reliable circulation
• Temperature Range: Suitable for heating system fluids up to 230°F
• Connection Size: Standard flanged connections for easy integration
• Max Head: Approximately 25 feet
• Flow Rate: Up to 75 GPM depending on system head pressure

Features & Benefits:

• Bronze construction provides excellent corrosion resistance for long service life
• Flanged design allows for quick pump removal without draining the entire system
• Compact footprint fits in tight mechanical spaces
• Permanently lubricated motor requires minimal maintenance
• Quiet operation for residential applications
• Built-in thermal overload protection prevents motor damage

Ideal for closed-loop hydronic heating systems, radiant floor heating, baseboard systems, and hot water recirculation applications. The UP43-75BF delivers dependable performance with Grundfos's reputation for quality and reliability.