Description
The Grundfos UPS15-42F (SKU 59896180) is a high-quality, cast iron, three-speed wet-rotor circulator pump engineered for dependable performance in residential and light commercial hydronic heating systems. With its compact design and robust cast iron construction, this circulator delivers consistent flow and long-lasting durability in a wide range of hot water heating applications.
Key Features
- Three selectable speed settings for precise flow control and system optimization
- Cast iron (CI) body construction for strength and corrosion resistance in hydronic systems
- 1/25 HP motor rated at 230V for efficient, low-energy operation
- Wet-rotor design — water-lubricated bearings eliminate the need for external lubrication and reduce maintenance requirements
- Compact, in-line installation for easy integration into existing piping
- Quiet operation suitable for residential and light commercial environments
- Designed for use with hot water heating systems, radiant floor heating, and hydronic distribution loops
Specifications
- Brand: Grundfos
- Model: UPS15-42F
- SKU: 59896180
- Horsepower: 1/25 HP
- Voltage: 230V
- Speeds: 3
- Body Material: Cast Iron
- Pump Type: Wet-Rotor Circulator
- Application: Hydronic Heating / Hot Water Circulation
Why Choose Grundfos?
Grundfos is a globally recognized leader in pump technology, trusted by HVAC professionals for precision engineering, energy efficiency, and long service life. The UPS15-42F upholds that tradition, offering reliable hydronic circulation with minimal maintenance and straightforward installation.







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