Grundfos UPS50-80/4, 1/2 HP, 230v, Booster Pump 96404959

Roll over image to zoom in Click on image to zoom

Discontinued Direct Replacement Available

Grundfos UPS50-80/4, 1/2 HP, 230v, Booster Pump 96404959

SKU:: GNC01-0595
MPN:: 96404959
Model:: UPS50-80/4

Grundfos 96402836, UPS50 80/2 F Circulator Pump for Hot Water

$2,731.00

In stock (1 unit)

View Replacement

UPS50-80/4 wet-rotor, cast iron circulator pump with 2" flanged connection and a 3/4 HP, 230v, three phase, 3-speed motor for hydronic heating and cooling in closed loop systems. It has a flow range of 20-180 GPM and a head range of 1-62 feet. Flange gaskets are included, but flanges are sold separately. Grundfos UPS Series pumps feature a 3-speed motor, which allow the user to adjust the pump speed to fit their specific application. Ceramic bearings ensure years of quiet, trouble-free operation and quick connect terminals provide easy installation.

Manufacturer	Grundfos
Part Number	96404959
Model	UPS50-80/4
Speed Number	3
Maximum head	26.25 ft
Approvals	CCSAUS
Pump housing	Cast iron, EN 1561 EN-GJL-250, ASTM 35 B - 40 B
Impeller	Stainless steel, EN 1.4301, AISI 304
Range of ambient temperature	32 .. 104 °F
Maximum operating pressure	145.04 psi
Type of connection	DIN
Pipe connection	GF 50
Pressure rating for connection	PN 10
Port-to-port length	11 1/2 in
Connect code	F
Pumped liquid	Water
Liquid temperature range	14 .. 248 °F
Selected liquid temperature	140 °F
Density	61.35 lb/ft³
Power input in speed 1	0.6437 HP
Power input in speed 2	620 W
Max. power input	720 W
Main frequency	60 Hz
Rated voltage	1 x 230 V
Current in speed 1	2.6 A
Current in speed 2	3.4 A
Current in speed 3	3.8 A
Cos phi in speed 1	0.81
Cos phi in speed 2	0.79
Cos phi	0.83
Capacitor size - run	16 µF/400 V
Number of poles	4
Enclosure class (IEC 34-5)	X4D
Insulation class (IEC 85)	H
Built-in motor protection	CONTACT
Thermal protec	internal
R a	5.5 - 7.25 ohm
R s1	2.65 - 3.5 ohm
R s2	4.95 - 6.5 ohm
Relay	with relay
Terminal box position	1.30H
Net weight	62.1 lb
Gross weight	66.5 lb
Shipping volume	3.46 ft³

Large UPS, UPS

QUICK FACT SHEET, Large Circulating Pumps (Data Sheet)

VersaFlo® 3-Speed Circulator Pumps

THE QUIET REVOLUTION, GRUNDFOS LARGE WET ROTOR CIRCULATORS, UPS Series 200 (Product brochure)

UP Series 200 (I & O instructions)

UPS Series 200 (I & O instructions)

DBS, GRUNDFOS RESIDENTIAL BUILDINGS (Product brochure)

Get It All with Grundfos Plumbing, ONE PARTNER ALL the PUMPS (Product brochure)

Grundfos has a wide range of products, pump solutions, and services for all applications. Grundfos' energy-efficient pumps provide comfort and move water, wastewater, and industrial liquids all over the world.

From the Atoms & Bits Blog

Grundfos Water Pumps - Comprehensive Guide

Published: Jan 08, 2026 By: Lucas Gasparotto

Discover Grundfos water pump models, learn about their benefits, technical details, main applications, controls, arrangement tips, and let Liberty Supply help you choose the ideal Grundfos pump today.

Grundfos Circulator Pumps | 2026 tips

Published: Feb 09, 2026 By: Lucas Gasparotto

Grundfos circulator pumps are a trusted choice for water systems. With proper setup and routine care, these pumps deliver quiet operation and optimized energy use. This guide highlights key checks ...

Save 44%

Grundfos

Grundfos 96402836, UPS50 80/2 F Circulator Pump for Hot Water

$2,731.00 $4,175.00

Add to cart for your price

Recover password

Grundfos UPS50-80/4, 1/2 HP, 230v, Booster Pump 96404959

Description

Specifications

Documents

About Grundfos

From the Atoms & Bits Blog

Grundfos Water Pumps - Comprehensive Guide

Grundfos Circulator Pumps | 2026 tips

Alternate Items

You May Also Like

Recently Viewed