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Wilo-Star E 21 | Wilo
Your advantages
Star E 21

Your advantages

  • High-efficiency, EC Motor-driven technology
  • Differential temperature control
  • Auto mode: Automatically adjusts to the system demand
  • Three HD modes –proportional control
  • Four speed control
  • LED display and adjustment buttons for easy set-up and changes
Series description
Star E 21 Pump Curve

Application

  • Heating and cooling
  • Industrial Circulation
  • Water/Glycol concentrations up to 50%
  • Solar
  • Geothermal

Equipment/function

  • High-efficiency, EC Motor-driven technology
  • Differential temperature control
  • Auto mode: Automatically adjusts to the system demand
  • Three HD modes –proportional control
  • Four speed control
  • LED display and adjustment buttons for easy set-up and changes

Technical data

  • Fluid temperature range: 36°F to 230°F
  • Maximum operating pressure: 145 PSI (10 Bar)
  • Cast Iron HT200 pump body
  • Composite PA66+30%GF impeller
  • Ceramic shaft

Scope of delivery

  • Plastic Composite Check Valves (Included but optional)
Documents

Installation and operating instructions

Star E 21 IOM

Number of pages 10
PDF (1 MB)

General overview

Wilo Star E 21 Engineering Specification

Number of pages 4
PDF (180 KB)

Brochure

Star E 21 Brochure

Number of pages 2
PDF (682 KB)

Data sheet

Star E 21 Submittal Sheet

Number of pages 1
PDF (380 KB)
Product selection
Product descriptionPump connectionMains connectionPieces per palletMaximum operating pressure PNArticle number
Star E 21
3/4"-1.5" Two Bolt Flange
1~115 V, 60 Hz
120
145 psi
3351731