Grundfos 59896118 Pump

UP15-18B5 1/25hp 1/2"swt 230v

Grundfos 59896118 UP15-18B5 Circulator Pump – 1/25 HP, 230V, Bronze Housing

The Grundfos 59896118 UP15-18B5 Circulator Pump is a premium, high-efficiency OEM pump engineered for reliable performance in residential and light commercial hot water circulation systems. Designed with a durable bronze housing and advanced materials, this pump ensures long-lasting operation, corrosion resistance, and superior hydraulic performance.

Product Overview:
The Grundfos UP15-18B5 (Part No. 59896118) is a single-speed, 230V circulator pump with a 1/25 HP motor and a 1/2" sweat connection, delivering a rated flow of 4.93 GPM and a maximum head of 13.78 ft. It’s UL and CSA approved, guaranteeing compliance with rigorous safety and performance standards.

Key Features:

• Genuine Grundfos OEM Pump: Ensures precise fit, compatibility, and reliability.

• Durable Bronze Construction: Made from CuZn16Si4-C (ASTM B584 C87500) for corrosion resistance and long service life.

• High Performance: Rated flow up to 4.93 GPM and maximum head of 13.78 ft for efficient circulation.

• Quiet and Efficient Operation: Designed for smooth, energy-efficient performance with minimal noise.

• Versatile Application: Ideal for hot water recirculation, hydronic heating, and potable water systems.

Technical Specifications:

• Model: UP15-18B5

• Part Number: 59896118

• Voltage: 1 x 230V

• Power Input: 90W

• Current: 0.4A

• Speed: 1

• Horsepower: 1/25 HP

• Frequency: 60 Hz

• Maximum Operating Pressure: 145 psi (PN 10)

• Max Ambient Temperature: 104°F

• Max Liquid Temperature: 230°F

• Pump Housing Material: Bronze (CuZn16Si4-C)

• Impeller Material: Composite PES + 30% GF

• Connection Type: 1/2" Internal Sweat

• Port-to-Port Length: 5 inches

• Approvals: UL, CSA

• Weight: Net 4.71 lb / Gross 5.23 lb

• Country of Origin: USA

Applications:

• Domestic hot water recirculation

• Hydronic heating systems

• Cooling and air conditioning systems

• Potable water applications

Why Choose Grundfos:
Grundfos is a global leader in high-efficiency pump technology, known for reliability, innovation, and quality. The Grundfos 59896118 UP15-18B5 ensures consistent water circulation and long-term energy savings for both residential and commercial systems.

Optimize your hydronic or hot water system with the Grundfos 59896118 UP15-18B5 Circulator Pump — the trusted OEM solution for performance, durability, and efficiency.

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