Stuart

Stuart ST 25/80-180

Domestic Circulator

The Stuart ST 25/80 circulator features the latest in high efficiency technology offering an EEI rating of just 0.20 and proportional pressure control.
For use in new systems or as a replacement unit, this cast iron circulator is suitable for domestic heating systems.

This product is an ideal replacement for:

  • Grundfos: UPS2 25-80
  • Wilo: Yonos Pico 25/1/8
  • Dab: Evotron 80/180
  • Grundfos: UPS 25/55

Key Features
  • ECM permanent magnet technology
  • Constant speed (3 settings)
  • Proportional pressure control
Technical Specification
Product Code 47075
General
Warranty 5 years
Features
Pump type Centrifugal
Fitting length 180 mm
Speed settings 3
Materials
Pump body Cast iron
Impeller Noryl
Bearings Ceramic
Performance
Maximum head - closed valve 8 metres
Maximum flow 4.5 m3/h
Maximum working pressure* 10 bar
Minimum inlet pressure 0.05 bar <70 °C (fluid temperature)
0.28 bar <90 °C (fluid temperature)
Maximum water temperature 110 °C (35 °C ambient)
100 °C (50 °C ambient)
90 °C (60 °C ambient)
80 °C (70 °C ambient)
Connections
Pump connections Rp 1¾ "
Motor
Type Canned rotor
Duty rating Continuous (S1)
Electrical
Power supply / phase / frequency 230 V a.c. / 1 / 50 Hz
Power consumption 57 Watts max
Current - full load 0.5 Amps
Fuse rating 5 Amps
Insulation class F
EEI 0.20
Efficiency 36 %
Physical
Enclosure protection IP44
Length 130 mm
Width 125 mm
Height 180 mm
Weight 2.4 Kg
GTIN 5050400470755
* The maximum pressure that can be applied to the pump under any installation conditions.
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