Grundfos 96439644 UP 43-70 F is a single-speed wet-rotor in-line circulator pump with a cast iron housing and stainless steel impeller. It delivers a maximum head of 70 dm (23 ft) and operates on 115/230V single-phase power at 60 Hz. The pump features DIN flanged connections with a port-to-port length of 216 mm, internal thermal protection, and a maximum operating pressure of 10 bar (145 PSI). Suitable for closed-loop hydronic heating and chilled water systems.

Approvals

CCSAUS

Built-in motor protection

CONTACT

Capacitor size - run

30 µF/400 V

Connect code

F

Cos phi

0.95

Current in speed 3

3.4/1.8 A

Density

983.2 kg/m³

Density (lb/ftBi)

61.35

Enclosure class (IEC 34-5)

X4D

Impeller

Stainless steel

Insulation class (IEC 85)

F

Liquid temperature range (°C)

-10 - 110

Mains frequency

60 Hz

Max ambient temperature (F)

104

Max. power input

400 W

Maximum ambient temperature (°C)

40

Maximum head

70 dm

Maximum operating pressure (bar)

10

Model

A

Pipe connection

GF 40/43

Port-to-port length

216 mm

Pressure rating for connection

PN 10

Product name

UP 43-70 F

Product no

96439644

Pump housing

Cast iron

Pumped liquid

Water

Rated voltage

1 x 115-230 V

Relay

without relay

Selected liquid temperature (°C)

60

Speed no

1

Temperature range (F)

14 - 230

Terminal box position

1.30H

Thermal protec

internal

Type of connection

DIN