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Wilo-Jet HWJ | Wilo
Your advantages
Wilo-Jet HWJ

Your advantages

  • Ideal for outdoor applications (hobby, garden)
  • Rust-free stainless steel prevents corrosion, even with prolonged service periods
  • Reduction of switch-on frequency and avoidance of fluid hammer, thanks to diaphragm pressure vessel with 20/50 l capacity
  • Electrical and hydraulic connections already in place, quick and safe to install

Recommended services

Series description
Jet-HWJ

Design

Self-priming water-supply unit

Application

  • Water supply
  • Sprinkling
  • Irrigation and spraying
  • Pumping water from wells and out of low-lying tanks

Equipment/function

  • Directly flanged motor
  • Pressure switch
  • Diaphragm pressure vessel
  • for use with single-phase motor
    • Connection cable with plug
    • Thermal motor protection switch

Typekey

Example:

HWJ 20 L 202 EM

H

System consisting of a pump with diaphragm pressure vessel

WJ

Wilo jet pumps

20 L

Tank size

2

Nominal flow rate Q in m³/h at optimum efficiency

03

Index for pump pressureVersion 03 with higher pressure than version 02(no indication of number of impellers!)

EM

Single-phase current, 1~230 V, 50 Hz

Technical data

  • Mains connection 1~230 V, 50 Hz
  • Suction head max. 8 m
  • Inlet pressure max. 1 bar
  • Start-up pressure 1.5 bar
  • Variable switch-off pressure
  • Fluid temperature +5 °C to +35 °C
  • Max. operating pressure 6 bar
  • Protection class IP 44
  • Connection on pressure side Rp 1
  • Suction-side connection G 1

Materials

  • Pump housing stainless steel 1.4301
  • Impeller made of 1.4301 stainless steel
  • Shaft made of 1.4005 stainless steel
  • Mechanical seal made of carbon/ceramic
  • Stage chambers made of Noryl
  • Diffuser/injector made of Noryl
  • Seal made of NBR

Scope of delivery

  • Pump
  • Pressure switch
  • Pressure gauge
  • Diaphragm pressure vessel (20/50 l)
  • Pressure hose with steel casing and screwed connection
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-HiMulti 3 H... Wilo-HMHI, Wilo-Jet HWJ

Article Number 2544452
Edition 1807
Page format 209.9 x 297.0 mm
Number of pages 100
PDF (10 MB)

Wilo-Jet-WJ

Article Number 2050754
Edition 2017-08
Page format 209.9 x 297.0 mm
Number of pages 68
PDF (2 MB)

General overview

General Overview 2022 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 78
PDF (38 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)