We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Grundfos Circulating Pump: 3/4 hp HP, 115/230V AC, Cast Iron, 1, 15 ft Max. Head - General-Purpose Inline Circulator Pumps
GrundfosGeneral-Purpose Inline Circulator Pumps

Grundfos Circulating Pump: 3/4 hp HP, 115/230V AC, Cast Iron, 1, 15 ft Max. Head

The GRUNDFOS Circulating Pump (3/4 hp HP, MPN 96633591) is a general-purpose inline circulator pump designed for potable water systems. It features a standard-efficiency motor with a nameplate voltage of 115/230V AC…

SKU 3G-OTH-84553

Brand
Grundfos
Item
Circulating Pump: 3/4 hp HP, 115/230V AC, Cast Iron, 1, 15 ft Max. Head
Category
General-Purpose Inline Circulator Pumps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Grundfos
Manufacturer Part Number
96633591
Type
Cast Iron, 1, 9 7/8 in Face to Face
AC
115/230V
Max. Head
15 ft
Efficiency
Standard Efficiency
System Type
Potable Water
Connection Type
Flange
Includes Volute
Volute Included
Nameplate Voltage
115/230V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The GRUNDFOS Circulating Pump (3/4 hp HP, MPN 96633591) is a general-purpose inline circulator pump designed for potable water systems. It features a standard-efficiency motor with a nameplate voltage of 115/230V AC, flange connections, and an included volute. The pump delivers a maximum head of 15 ft with a face-to-face dimension of 9 7/8 in, and is constructed with a cast iron volute.

Frequently Asked Questions

What is the Grundfos 96633591 circulating pump used for?

The Grundfos 96633591 is a general-purpose inline circulator pump designed for potable water systems. It moves water in closed-loop heating or recirculation applications, such as residential or light commercial hydronic systems. Its cast iron volute and flange connections suit standard plumbing installations.

What are the specifications of the Grundfos 96633591 pump?

The Grundfos 96633591 is a 3/4 hp circulating pump with a nameplate voltage of 115/230V AC. It has a maximum head of 15 ft, a face-to-face dimension of 9 7/8 in, and flange connections. The cast iron volute is included, and the pump is rated for standard efficiency in potable water systems.

Where to buy the Grundfos 96633591 pump worldwide?

You can source the Grundfos 96633591 circulating pump through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Grundfos parts to procurement teams globally.

How to install a Grundfos inline circulator pump?

Install the Grundfos 96633591 pump with the shaft horizontal and the electrical box accessible. Use flange gaskets and bolts to connect to matching pipe flanges. Wire the motor for 115V or 230V AC per the nameplate. Ensure the system is flushed before startup. Always follow Grundfos installation manuals for torque and alignment.

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 general-purpose inline circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, 3, 57 ft Max. Head, 11 7/8 in Face to Face (MPN 96654375)
Grundfos
Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, 3, 57 ft Max. Head, 11 7/8 in Face to Face (MPN 96654375)
Circulating Pump: 3/4 hp HP, 115/230V AC, Cast Iron, 1, 23 ft Max. Head, 8 9/16 in Face to Face (MPN 96439644)
Grundfos
Circulating Pump: 3/4 hp HP, 115/230V AC, Cast Iron, 1, 23 ft Max. Head, 8 9/16 in Face to Face (MPN 96439644)
Circulating Pump: 5/8 hp HP, 115V AC, Cast Iron, 3, 26 ft Max. Head, 13 1/2 in Face to Face, Inline (MPN 96402762)
Grundfos
Circulating Pump: 5/8 hp HP, 115V AC, Cast Iron, 3, 26 ft Max. Head, 13 1/2 in Face to Face, Inline (MPN 96402762)
Circulating Pump: 7/8 hp HP, 115V AC, Cast Iron, 3, 19 ft Max. Head, 11 7/8 in Face to Face, Inline (MPN 96654373)
Grundfos
Circulating Pump: 7/8 hp HP, 115V AC, Cast Iron, 3, 19 ft Max. Head, 11 7/8 in Face to Face, Inline (MPN 96654373)
Circulating Pump: 1/8 hp HP, 115V AC, Cast Iron, 1, 14 gpm, 19 ft Max. Head, 6 1/2 in Face to Face (MPN 92603106)
Grundfos
Circulating Pump: 1/8 hp HP, 115V AC, Cast Iron, 1, 14 gpm, 19 ft Max. Head, 6 1/2 in Face to Face (MPN 92603106)
Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, 3, 26 ft Max. Head, 11 1/2 in Face to Face (MPN 96402838)
Grundfos
Circulating Pump: 5/8 hp HP, 208-230V AC, Cast Iron, 3, 26 ft Max. Head, 11 1/2 in Face to Face (MPN 96402838)

More from Grundfos

View all Grundfos parts
Circulating Pump: 3/4 hp HP, 115V AC, Cast Iron, 3, 53 ft Max. Head, 11 1/2 in Face to Face, Inline (MPN 96402782)
Grundfos
Circulating Pump: 3/4 hp HP, 115V AC, Cast Iron, 3, 53 ft Max. Head, 11 1/2 in Face to Face, Inline (MPN 96402782)
Circulating Pump: 2 1/8 hp HP, 208-230V AC, Cast Iron, 3, 53 ft Max. Head, 19 in Face to Face (MPN 96402920)
Grundfos
Circulating Pump: 2 1/8 hp HP, 208-230V AC, Cast Iron, 3, 53 ft Max. Head, 19 in Face to Face (MPN 96402920)
Circulating Pump: 5/8 hp HP, 230V AC, Cast Iron, 3, 26 ft Max. Head, 13 1/2 in Face to Face, Inline (MPN 96402763)
Grundfos
Circulating Pump: 5/8 hp HP, 230V AC, Cast Iron, 3, 26 ft Max. Head, 13 1/2 in Face to Face, Inline (MPN 96402763)
Hydronic Circulating Pump: 3/4 hp HP, 115V AC, Cast Iron, 3, 76 gpm, 46 ft Max. Head, Inline (MPN 96402730)
Grundfos
Hydronic Circulating Pump: 3/4 hp HP, 115V AC, Cast Iron, 3, 76 gpm, 46 ft Max. Head, Inline (MPN 96402730)
Circulating Pump: 1/2 hp HP, 208-230V AC, Cast Iron, 3, 26 ft Max. Head, 13 1/2 in Face to Face (MPN 96402764)
Grundfos
Circulating Pump: 1/2 hp HP, 208-230V AC, Cast Iron, 3, 26 ft Max. Head, 13 1/2 in Face to Face (MPN 96402764)
Circulating Pump: 1 51/125 hp HP, 230V AC, Cast Iron, 3, 23 ft Max. Head, 14 1/4 in Face to Face (MPN 96654378)
Grundfos
Circulating Pump: 1 51/125 hp HP, 230V AC, Cast Iron, 3, 23 ft Max. Head, 14 1/4 in Face to Face (MPN 96654378)
Circulating Pump: 3/4 hp HP, 208-230V AC, Cast Iron, 3, 26 ft Max. Head, 19 in Face to Face, Inline (MPN 96402908)
Grundfos
Circulating Pump: 3/4 hp HP, 208-230V AC, Cast Iron, 3, 26 ft Max. Head, 19 in Face to Face, Inline (MPN 96402908)
Circulating Pump: 1 37/50 hp HP, 460V AC, Cast Iron, 2, 53 ft Max. Head, 14 in Face to Face, Inline (MPN 96402861)
Grundfos
Circulating Pump: 1 37/50 hp HP, 460V AC, Cast Iron, 2, 53 ft Max. Head, 14 in Face to Face, Inline (MPN 96402861)