Description
The Grundfos UP15-18BUC7 (SKU 59896124) is a compact, high-efficiency circulator pump engineered for dependable performance in residential hydronic heating systems. Featuring a 1/25 HP motor operating on 115V single-phase power, this pump delivers quiet, consistent water circulation through 3/4″ sweat (solder) connections — making it an ideal drop-in solution for hot water heating loops, radiant floor systems, and domestic hot water recirculation applications.
Built on Grundfos’ proven UP-Series platform, the UP15-18BUC7 is designed for ease of installation and long-term reliability, with a compact footprint that fits into tight mechanical spaces. The sweat-connection design ensures a leak-free, professional-grade installation compatible with standard copper piping.
Key Features
- 1/25 HP motor for efficient, low-energy operation
- 115V single-phase power supply
- 3/4″ sweat (solder) inlet and outlet connections
- Compact, space-saving design for residential installations
- Quiet operation suitable for occupied living spaces
- Designed for hot water heating loops, radiant systems, and DHW recirculation
- Grundfos UP-Series proven reliability and durability
Specifications
- Brand: Grundfos
- Model: UP15-18BUC7
- SKU: 59896124
- Horsepower: 1/25 HP
- Voltage: 115V
- Connection Size: 3/4″
- Connection Type: Sweat (Solder)
- Application: Hydronic heating, radiant floor, DHW recirculation
Why Choose the Grundfos UP15-18BUC7?
Grundfos is a world leader in pump technology, and the UP15-18BUC7 reflects that heritage with a design built for efficiency, quiet operation, and long service life. Whether you’re replacing an aging circulator or specifying equipment for a new hydronic installation, this pump delivers the performance and reliability that HVAC professionals and homeowners depend on.
