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Grundfos CUE External Frequency Converters

Grundfos CUE External Frequency Converters are advanced variable frequency drives designed to provide precise speed control for a wide range of Grundfos pumps that lack integrated drives. By adjusting pump speed to match system demand, they enhance energy efficiency and optimize performance across various applications.

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Grundfos CUE External Frequency Converters
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Grundfos 96422776, CU 300 Elunit American Communication System
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Grundfos 99616632, CUE SmartFlo 15
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Grundfos 99616634, CUE SmartFlo 30
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Grundfos 99616635, CUE SmartFlo 50
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Grundfos 92588566, CUE SmartFlo 75
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Grundfos 99616633, CUE SmartFlo 20
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Grundfos 96002457, CU 212.230.1 for LCD107 Variable Frequency Drive
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Grundfos 99616701, CUE 3x200-240V IP55 15kW DC Variable Frequency Drive
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Grundfos 99616701, CUE 3x200-240V IP55 15kW DC Variable Frequency Drive
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Grundfos 99660290, CUE 3x200-240V IP55 2.2kW DC Variable Frequency Drive
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Grundfos 99660290, CUE 3x200-240V IP55 2.2kW DC Variable Frequency Drive
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Grundfos 96438895, CU301 MKII Constant Pressure Kit with Sensor
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Grundfos 96438895, CU301 MKII Constant Pressure Kit with Sensor
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Grundfos 99616720, CUE 3X380-500V IP20 30kW VFD Variable Frequency Drive
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Grundfos 99616720, CUE 3X380-500V IP20 30kW VFD Variable Frequency Drive
$5,421.95 $6,434.00
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Grundfos 99616698, CUE 3X200-240V IP55 5.5KW DC Variable Frequency Drive
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Grundfos 99616698, CUE 3X200-240V IP55 5.5KW DC Variable Frequency Drive
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Grundfos 99660295, CUE 3x380-500V IP55 2.2kW DC Variable Frequency Drive
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Grundfos 99660295, CUE 3x380-500V IP55 2.2kW DC Variable Frequency Drive
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Documentation & Resources

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Grundfos Water Pumps - Comprehensive Guide

Grundfos Water Pumps - Comprehensive Guide

Published: Jan 08, 2026By: Lucas Gasparotto

Discover Grundfos water pump models, learn about their benefits, technical details, main applications, controls, arrangement tips, and let Liberty ...
Several Grundfos Circulators Pumps

Grundfos Circulator Pumps | 2026 tips

Published: Feb 09, 2026By: Lucas Gasparotto

Grundfos circulator pumps are a trusted choice for water systems. With proper setup and routine care, these pumps deliver quiet operation and optim...
Grundfos Well Submersible pumps

Grundfos Well Submersible pumps - Parts and components explained

Published: Mar 05, 2026By: Lucas Gasparotto

Learn how Well Pump components, including motors and impellers, work together to provide a reliable water supply solution. This breakdown article o...
Grundfos CR Series

Grundfos CR Series Explained: Differences Between CR, CRE, CRI, CRIE, CRN, CRNE, CRNE-HS & CRN-SF

Published: Apr 02, 2026By: Lucas Gasparotto

Comparing the full Grundfos CR series of vertical inline multistage centrifugal pumps. If you want to know about their construction materials and i...
What Is a Pump Stack Chamber

What Is a Pump Stack Chamber?

Published: Apr 30, 2026By: Lucas Gasparotto

Multistage inline pumps build pressure through a stacked internal assembly of impellers, diffuser bowls, and intermediate chambers. This arrangemen...
Grundfos KP and KPV Series: When to Use Split Case Pumps

Grundfos KP and KPV Series: When to Use Split Case Pumps

Published: Jun 04, 2026By: Lucas Gasparotto

Learn when to use a horizontal split case pump, how split case pumps work, and why Grundfos KP models are a trusted choice for HVAC, municipal wate...
Triple Duty Valve

What is a Triple Duty Valve?

Updated on: Aug 13, 2026By: Laura Eck

Triple duty valves combine three different types of valves typically on the discharge side of a hydronic pump system – a shut-off valve, check valv...

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