Grundfos UPS50B-80/4, 1/2 HP, 115v, Booster Pump 96404963

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Discontinued Direct Replacement Available

Grundfos UPS50B-80/4, 1/2 HP, 115v, Booster Pump 96404963

SKU:: GNC01-0610
MPN:: 96404963
Model:: UPS50B-80/4

Grundfos 96402843, UPS 50-80/2B Circulator Pump 115V for Hot Water Recirculation

$4,553.00

In stock (2 units)

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UPS50B-80/4 wet-rotor, bronze body circulator pump with 2" flanged connection and a 3/4 HP, 115v, single phase, 1-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	96404963
Model	UPS50B-80/4
Speed Number	3
Maximum head	26.25 ft
Approvals	CCSAUS,IAPMO
Pump housing	Bronze, CuSn10
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 115 V
Current in speed 1	5.15 A
Current in speed 2	6.85 A
Current in speed 3	7.55 A
Cos phi in speed 1	0.81
Cos phi in speed 2	0.79
Cos phi	0.83
Capacitor size - run	60 µF/250 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	2.75 - 3.6 ohm
R s1	1.74 - 2.3 ohm
R s2	2.85 - 3.75 ohm
Relay	with relay
Terminal box position	1.30H
Net weight	66.8 lb
Gross weight	78.9 lb
Shipping volume	3.46 ft³

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Grundfos 96402843, UPS 50-80/2B Circulator Pump 115V for Hot Water Recirculation

$4,553.00 $6,960.00

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Grundfos UPS50B-80/4, 1/2 HP, 115v, Booster Pump 96404963

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From the Atoms & Bits Blog

Grundfos Water Pumps - Comprehensive Guide

Grundfos Circulator Pumps | 2026 tips

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