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Grundfos Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, Variable, 39 ft Max. Head - Intelligent Inline Circulator Pumps
GrundfosIntelligent Inline Circulator Pumps

Grundfos Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, Variable, 39 ft Max. Head

The Grundfos Intelligent Inline Circulator Pump (SKU 3G-OTH-84740, MPN 98126831) is a standard-efficiency, variable-speed pump designed for potable water systems. It features a 5/8 hp motor, 208-230V AC nameplate…

SKU 3G-OTH-84740

Brand
Grundfos
Item
Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, Variable, 39 ft Max. Head
Category
Intelligent Inline Circulator Pumps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Grundfos
Manufacturer Part Number
98126831
Type
Cast Iron, Variable, Inline
AC
208-230V
Max. Head
39 ft
Efficiency
Standard Efficiency
System Type
Potable Water
Connection Type
Flange
Includes Volute
Volute Included
Nameplate Voltage
208-230V AC

Technical Documents

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Grundfos Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Grundfos Intelligent Inline Circulator Pump (SKU 3G-OTH-84740, MPN 98126831) is a standard-efficiency, variable-speed pump designed for potable water systems. It features a 5/8 hp motor, 208-230V AC nameplate voltage, flange connections, and a cast-iron volute, with a maximum head of 39 ft.

Frequently Asked Questions

What is the Grundfos Intelligent Inline Circulator Pump used for?

This Grundfos pump is designed for potable water systems in commercial or industrial buildings. It circulates water efficiently using a variable-speed, 5/8 hp motor with a 39 ft maximum head, ensuring consistent flow in heating or cooling loops.

What are the specifications of the Grundfos 98126831 pump?

The Grundfos 98126831 is a 5/8 hp, 208-230V AC, cast-iron inline circulator with flange connections. It delivers a 39 ft maximum head, includes a volute, and is rated for standard efficiency in potable water systems.

Where to buy the Grundfos Intelligent Inline Circulator Pump worldwide?

3G Electric supplies the Grundfos Intelligent Inline Circulator Pump worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site, ensuring you get the right pump for your potable water system.

How to install a Grundfos Intelligent Inline Circulator Pump?

Install the Grundfos pump with proper flange alignment and support for the cast-iron volute. Ensure the 208-230V AC supply matches nameplate voltage. Follow Grundfos guidelines for variable-speed setup and verify system compatibility with potable water to avoid contamination.

Used in

Common applications for Grundfos
HVAC — Grundfos SI-30 condensate pump for air-conditioning installations up to 20 kW capacity
Industrial heating — GPS130NW pressure and suction units in oil burner fuel-supply circuits
Equipment maintenance — SUNP0400 charging and washing pump for descaling boilers and industrial equipment
Fuel accounting — VZO15 and VZO20 oil meters for flow measurement and consumption monitoring in oil-supply systems
Closed-loop heating systems — Double-acting expansion tank pump for pressure regulation and thermal stability
Building services — Grundfos pump range supporting HVAC, domestic heating, and pressure-boosting applications

Grundfos Products

3G Electric supplies Grundfos intelligent inline circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Circulating Pump: 1/2 hp HP, 208-230V AC, Cast Iron, Variable, 68 gpm, 26 ft Max. Head, Inline (MPN 98126840)
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Circulating Pump: 1/2 hp HP, 208-230V AC, Cast Iron, Variable, 68 gpm, 26 ft Max. Head, Inline (MPN 98126840)
Circulating Pump: 3/8 hp HP, 208-230V AC, Cast Iron, Variable, 47 gpm, 26 ft Max. Head, Inline (MPN 98126828)
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Circulating Pump: 3/8 hp HP, 208-230V AC, Cast Iron, Variable, 47 gpm, 26 ft Max. Head, Inline (MPN 98126828)
Circulating Pump: 7/8 hp HP, 208-230V AC, Cast Iron, Variable, 62 gpm, 59 ft Max. Head, Inline (MPN 98126836)
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Circulating Pump: 7/8 hp HP, 208-230V AC, Cast Iron, Variable, 62 gpm, 59 ft Max. Head, Inline (MPN 98126836)
Circulating Pump: 1/4 hp HP, 115/230V AC, Cast Iron, Variable, 29 gpm, 33 ft Max. Head, Inline (MPN 98126824)
Grundfos
Circulating Pump: 1/4 hp HP, 115/230V AC, Cast Iron, Variable, 29 gpm, 33 ft Max. Head, Inline (MPN 98126824)
Circulating Pump: 7/8 hp HP, 208-230V AC, Cast Iron, Variable, 59 ft Max. Head, Inline (MPN 98126835)
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Circulating Pump: 7/8 hp HP, 208-230V AC, Cast Iron, Variable, 59 ft Max. Head, Inline (MPN 98126835)
Circulating Pump: 3/8 hp HP, 208-230V AC, Cast Iron, Variable, 26 ft Max. Head, Inline (MPN 98126827)
Grundfos
Circulating Pump: 3/8 hp HP, 208-230V AC, Cast Iron, Variable, 26 ft Max. Head, Inline (MPN 98126827)

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Circulating Pump: 1/4 hp HP, 115/230V AC, Cast Iron, Variable, 40 gpm, 20 ft Max. Head, Inline (MPN 98126819)
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Circulating Pump: 1/4 hp HP, 115/230V AC, Cast Iron, Variable, 40 gpm, 20 ft Max. Head, Inline (MPN 98126819)
Circulating Pump: 1/4 hp HP, 115/230V AC, Stainless Steel, Variable, 33 ft Max. Head, Inline (MPN 98126825)
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