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 life
  • 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
Series description

Design

Self-priming water-supply unit

Application

  • Water supply
  • Sprinkling
  • Irrigation and spraying
  • Pumping water from wells and out of tanks lying at greater depths

Equipment/function

  • Directly flanged motor
  • Pressure switch
  • Diaphragm pressure vessel (with replaceable diaphragm)
  • 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
  • Max. inlet pressure of 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 IP44
  • Connection on pressure side Rp 1
  • Suction-side connection G 1

Materials

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

Delivery state

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

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 (Documents)

General overview 2019 International version

Article Number 2200591
Edition 2018
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (40 MB)

General overview 2021 International version

Article Number
Edition 2020
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (10 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)