Jet HWJ-203-EM-50/2-2 (1~230 V)
| Hydraulic data | |
|---|---|
| Maximum operating pressure PN | 6 bar |
| Discharge port | Rp 1 |
| Min. fluid temperature Tmin | 5 °C |
| Max. fluid temperature Tmax | 35 °C |
| Min. ambient temperature Tmin | 3 °C |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Mains connection | 1~230 V, 50 Hz |
| Rated power P2 | 0.75 kW |
| Rated current IN | 4.9 A |
| Rated speed n | 2900 1/min |
| Power factor cos φ100 | 0.98 |
| Insulation class | B |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel |
| Shaft | Stainless steel |
| Shaft seal | CVPFF |
| Gasket material | NBR |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | Rp 1 |
| Pipe connection on the discharge side DNd | Rp 1 |
Jet HWJ 50 L 203 (1~230 V)
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | Jet HWJ-203-EM-50/2-2 (1~230 V) |
| Article number | 4265554 |
| EAN number | 4062679371870 |
| Colour | Green/silver/brass |
| Minimum order quantity | 1 |
| Date of sales availability | 2024-03-31 |
| Previous model article number | 2549383 |
| Previous model designation | Jet HWJ 50 L 203 (1~230 V) |
| Packaging | |
|---|---|
| Packaging type | Cardboard box |
| Packaging property | Sales packaging |
| Pieces per pallet | 6 |
| Number per layer | 3 |
| Dimension, weight | |
|---|---|
| Length with packaging | 725 mm |
| Length L | 645 mm |
| Height with packaging | 735 mm |
| Height H | 658 mm |
| Width with packaging | 430 mm |
| Width W | 370 mm |
| Gross weight, approx. m | 18.8 kg |
| Net weight, approx. m | 17.4 kg |
Centrifugal pump system with horizontal suction and vertical pressure port, consisting of:
Self-priming, single-stage jet pump with continuous motor pump shaft and direction of bidirectional mechanical seal. Directly flanged AC or three-phase motor with built-in thermal motor protection switch and condenser for AC version.
Pump control by means of control kit with diaphragm pressure vessel, pressure switch and pressure gauge (0 – 6 bar).
The pressure tank is equipped with a robust replaceable membrane made from the high performance material EPDM.
All parts that come into contact with the fluid are corrosion-proof.
Pump system ready for connection, pre-assembled and wired with 2 m cable and mains plug. Ideally suited for use in garden and hobby areas. Connection via terminal box for three-phase version.
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel |
| Shaft | Stainless steel |
| Shaft seal | CVPFF |
| Gasket material | NBR |
| Operating Data | |
|---|---|
| Min. fluid temperature Tmin | 5 °C |
| Max. fluid temperature Tmax | 35 °C |
| Gross volume of the diaphragm expansion tank V | 50 l |
| Maximum operating pressure p | 10.0 bar |
| Discharge port | Rp 1 |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Electromagnetic compatibility | EN 61000-6-1, -2, -3, -4 |
| Rated current IN | 4.9 A |
| Power factor cos φ100 | 0.98 |
| Rated speed n | 2900 1/min |
| Mains connection | 1~230 V, 50 Hz |
| Insulation class | B |
| Rated power P2 | 0.75 kW |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | Rp 1 |
| Pipe connection on the discharge side DNd | Rp 1 |
| Ordering information | |
|---|---|
| Net weight, approx. m | 17.4 kg |
| Brand | Wilo |
| Product description | Jet HWJ-203-EM-50/2-2 (1~230 V) |
| Article number | 4265554 |
Installation and operating instructions
Wilo-HiMulti 3 H... Wilo-HMHI, Wilo-Jet HWJ
| Article Number | 2544452 |
| Edition | 1807 |
| Number of pages | 100 |
| Language | de, en, fr, nl, ru |
PDF (10 MB)Wilo-Jet-WJ
| Article Number | 2050754 |
| Edition | 2017-08 |
| Number of pages | 68 |
| Language | cs, de, el, en, es, fr, it, nl, ru, tr |
PDF (2 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (327 KB)In inlet mode (2) | |||
Ball valve with lever for easy and safe installation. Certified suitability in accordance with CE for drinking water applications (e.g. in accordance with DIN 1988). Ball valves DVGW-certified up to Rp 2. Scope of delivery
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Kit is comprised of 2 union nuts and 2 threaded nozzles made of brass and 2 seals. For valves with flat-sealing male thread. | |||
In suction mode (1) | |||
Ball valve with lever for easy and safe installation. Certified suitability in accordance with CE for drinking water applications (e.g. in accordance with DIN 1988). Ball valves DVGW-certified up to Rp 2. Scope of delivery
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In suction mode with floating intake (8) | |||
Ball valve with lever for easy and safe installation. Certified suitability in accordance with CE for drinking water applications (e.g. in accordance with DIN 1988). Ball valves DVGW-certified up to Rp 2. Scope of delivery
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Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
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Suction/pressure hose 1¼" SE, PN 10, 10.0 m (cpl.) | 2025976 | ||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
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Suction/pressure hose 1¼" SE, PN 10, 15.0 m (cpl.) | 2025977 | ||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
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Suction/pressure hose 1¼" SE, PN 10, 3.0 m (cpl.) | 2025974 | ||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
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Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
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Floating coarse suction filter for water extraction close to the surface of prefiltered rain water. Connection R 1¼” via customer-provided suction-proof hose connection to the pump used. Filter type GR: Coarse suction filter with non-return valve, mesh width 1.8 mm Note Suitable for applications in domestic water supply for all pump types with a rated volume flow of approx. 3 m3/h. Scope of delivery
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Floating fine suction filter for water extraction close to the surface with prefiltered rain water for the protection of the downstream rainwater supply system. Version with hose connection nozzle R 1¼”. Filter type FR: Fine suction filter with non-return valve, mesh width 1.2 mm Note Suitable for applications in domestic water supply for all pump types with a rated volume flow of approx. 3 m3/h. Only for well pre-filtered rainwater without coarse constituents. The quantity of coarse constituents has a direct influence on the frequency of filter cleaning. Check filter regularly for dirt! Scope of delivery
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In suction mode with suction hose (3) | |||
Ball valve with lever for easy and safe installation. Certified suitability in accordance with CE for drinking water applications (e.g. in accordance with DIN 1988). Ball valves DVGW-certified up to Rp 2. Scope of delivery
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Suction hose kit for use in the domestic water supply. Scope of delivery
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Suction hose kit for use in the domestic water supply. Scope of delivery
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Fittings (1) | |||
Ball valve with lever for easy and safe installation. Certified suitability in accordance with CE for drinking water applications (e.g. in accordance with DIN 1988). Ball valves DVGW-certified up to Rp 2. Scope of delivery
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Hoses / hose joints (7) | |||
Suction hose kit for use in the domestic water supply. Scope of delivery
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Suction hose kit for use in the domestic water supply. Scope of delivery
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Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
| |||
Suction/pressure hose 1¼" SE, PN 10, 3.0 m (cpl.) | 2025974 | ||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
| |||
Suction/pressure hose 1¼" SE, PN 10, 5.0 m (cpl.) | 2025975 | ||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
| |||
Suction/pressure hose 1¼" SE, PN 10, 10.0 m (cpl.) | 2025976 | ||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
| |||
Suction-resistant and pressure-resistant hose for vacuum-tight connection of pump suction port and floating extractor. Scope of delivery
| |||
Suction filter (4) | |||
Floating coarse suction filter for water extraction close to the surface of prefiltered rain water. Connection R 1¼” via customer-provided suction-proof hose connection to the pump used. Filter type G: Coarse suction filter without non-return valve, mesh width 1.8 mm Note Suitable for applications in domestic water supply for all pump types with a rated volume flow of approx. 3 m3/h. Scope of delivery
| |||
Floating coarse suction filter for water extraction close to the surface of prefiltered rain water. Connection R 1¼” via customer-provided suction-proof hose connection to the pump used. Filter type GR: Coarse suction filter with non-return valve, mesh width 1.8 mm Note Suitable for applications in domestic water supply for all pump types with a rated volume flow of approx. 3 m3/h. Scope of delivery
| |||
Floating fine suction filter for water extraction close to the surface with prefiltered rain water for the protection of the downstream rainwater supply system. Version with hose connection nozzle R 1¼”. Filter type F: Fine suction filter without non-return valve, mesh width 1.2 mm Note Suitable for applications in domestic water supply for all pump types with a rated volume flow of approx. 3 m3/h. Only for well pre-filtered rainwater without coarse constituents. The quantity of coarse constituents has a direct influence on the frequency of filter cleaning. Check filter regularly for dirt! Scope of delivery
| |||
Floating fine suction filter for water extraction close to the surface with prefiltered rain water for the protection of the downstream rainwater supply system. Version with hose connection nozzle R 1¼”. Filter type FR: Fine suction filter with non-return valve, mesh width 1.2 mm Note Suitable for applications in domestic water supply for all pump types with a rated volume flow of approx. 3 m3/h. Only for well pre-filtered rainwater without coarse constituents. The quantity of coarse constituents has a direct influence on the frequency of filter cleaning. Check filter regularly for dirt! Scope of delivery
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Valves/accessories (1) | |||
Kit is comprised of 2 union nuts and 2 threaded nozzles made of brass and 2 seals. For valves with flat-sealing male thread. | |||
Level control (12) | |||
As a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WA65 with 10 m cable | 503211893 | ||
As a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WA65 with 20 m cable | 2004431 | ||
As a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WA65 with 30 m cable | 2004432 | ||
As a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WA KR1 S with 5 m cable | 6082806 | ||
As a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WA KR1 S with 10 m cable | 6082807 | ||
As a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WA65 (PSN-X) with 20 m cable | 6088843 | ||
As a signal transmitter for the system switching, depending on the fill level of an open tank or a cistern. Switching points: up ON/down OFF with switching contacts NO/COM/NC | |||
Float switch WA65 (PSN-X) with 10 m cable | 6088844 | ||
As a signal transmitter for the system switching, depending on the fill level of an open tank or a cistern. Switching points: up ON/down OFF with switching contacts NO/COM/NC | |||
As a signal transmitter for the system switching, depending on the fill level of an open tank or a cistern. Switching points: up ON/down OFF with switching contacts NO/COM/NC | |||
Small EK switchgear complete with float switch wired for ready-to-plug consumer (1~230 V, 50 Hz) to 1 kW rated power. The float switch functions as a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Float switch WAEK 65, 10 m cable | 2005516 | ||
Small EK switchgear complete with float switch wired for ready-to-plug consumer (1~230 V, 50 Hz) to 1 kW rated power. The float switch functions as a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
Small EK switchgear complete with float switch wired for ready-to-plug consumer (1~230 V, 50 Hz) to 1 kW rated power. The float switch functions as a signal transmitter for the system switching, depending on the level of an open container or a cistern. Switching points: up ON / down OFF | |||
With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
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 Wilo-Live Assistant | Wilo-Live Assistant Service | 2216415 | |
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Service Package M FWJ/HiMulti 3-5 | 2219675 | ||
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Optional add-on services:
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Service Package S FWJ/HiMulti 3-5 | 2219646 | ||
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Optional add-on services:
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 Supervision | Supervision FWJ/HiMulti 3-5 | 2219328 | |
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 Commissioning | Commissioning FWJ/HiMulti 3-5 | 2219394 | |
For perfect functioning of the pump(s) / system(s), it is recommended to have the commissioning carried out by the works' own WILO SE Customer Service Department. Optimum setting and efficient operation of the system are ensured as a result. Commissioning is comprised of the following points:
The price for commissioning only applies to system(s) which have been installed in accordance with the installation and operating instructions and state-of-the-art technology. No costs for any materials which may be required are included. | |||
 Maintenance | Maintenance BASIC FWJ/HiMulti 3-5 | 2219534 | |
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Maintenance COMFORT FWJ/HiMulti 3-5 | 2219496 | ||
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Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
Maintenance PREMIUM FWJ/HiMulti 3-5 | 2219549 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
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 Energy Solutions | Energy Solutions FWJ/HiMulti 3-5 | 2219293 | |
Wilo Service offers a proactive support to point out possible energy savings. Our service creates an overview of all installed assets to show how the energy consumption of pumps or systems can be reduced. We offer targeted consultancy and analysis, including the involvement of subsidies as well as comprehensive support around the changeover to high-efficiency technologies. Wilo-Energy solution includes:
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