Grundfos UPS43-100F 115V 1/3 HP 3-Speed Cast Iron Flanged Circulator Pump

The Grundfos UPS43-100F (model 95906636) is a reliable cast iron circulator pump designed for hydronic heating and hot water recirculation systems. This 115-volt pump features a 1/3 horsepower motor with three adjustable speed settings, allowing you to optimize flow and energy consumption for your specific application.

Key Features:

• Three-speed operation for flexible performance adjustment
• Durable cast iron construction for long-lasting reliability
• Flanged connections for secure, easy installation
• 1/3 HP motor with 115V power supply
• Direct replacement for UP43-75F (model 52722373)
• Suitable for residential and light commercial heating systems

This UPS series pump is ideal for forced hot water heating systems, radiant floor heating, and domestic hot water recirculation applications. The three-speed motor allows you to match pump performance to system requirements while minimizing energy use. Built with Grundfos' renowned quality standards, the UPS43-100F delivers quiet, efficient operation for years of dependable service.