Description
The Grundfos UPS43-100F (SKU 95906636) is a robust, single-speed cast iron circulator pump engineered for residential and light commercial hydronic heating systems. Built on Grundfos’s trusted UPS series platform, this pump delivers consistent, dependable flow to keep hot water moving efficiently through boilers, radiant floor systems, and baseboard heating loops.
Key Features
- Cast iron (CI) pump body for long-lasting durability in hydronic applications
- 115V single-phase power supply for easy integration with standard residential electrical systems
- Single-speed operation for straightforward, reliable performance
- Compact, inline design simplifies installation in tight mechanical spaces
- Permanently lubricated, maintenance-free motor — no routine oiling required
- Quiet operation suitable for residential environments
- Flanged connections for secure, leak-free piping hookup
Typical Applications
- Residential and light commercial hot water heating systems
- Hydronic baseboard and radiator loops
- Radiant floor heating distribution
- Boiler circulation and zone pumping
Why Choose Grundfos?
Grundfos is a globally recognized leader in pump technology, known for engineering products that combine energy efficiency, reliability, and ease of installation. The UPS43-100F continues that tradition, offering HVAC professionals a circulator pump they can count on season after season.
Product Specifications
- SKU: 95906636
- Model: UPS43-100F
- Voltage: 115V
- Body Material: Cast Iron (CI)
- Brand: Grundfos









