Grundfos Pumps UP43-75BF Circulator Pump

The UP43-75BF Circulator Pump by Grundfos delivers dependable, energy-efficient circulation for heating systems, hot domestic water, cooling, and air conditioning applications. This 1/6 HP, 115V AC pump features a durable bronze casing, ceramic shaft, and a closed PES impeller for reliable performance across a wide temperature range.

Flow ranges from 0 to 45 GPM with a discharge head up to 10.2 ft, making it suitable for residential and light commercial duties. End connections are Flanged x Flanged, simplifying installation in standard piping runs.

• Flow: 0–45 GPM
• Discharge head: 0–10.2 ft
• Casing: bronze; Shaft: ceramic; Impeller: closed PES
• End connections: Flanged x Flanged
• Motor: 1/6 HP, 115 V AC, 60 Hz, 1-phase; 2-pole PSC
• Temperature range: 36–230°F
• Max pressure: 145 PSI
• Includes carbon thrust bearing; stainless steel rotor can and bearing plate; corrosion-resistant construction
• Applications: heating systems, hot domestic water, cooling and air conditioning
• Warranty: 24 months from delivery; CSA and UL listed

Designed for longevity in demanding environments, this Grundfos pump combines robust materials with efficient operation to reduce energy use and maintenance for heating, domestic water, and cooling systems.