The Wilo Initial JET self-priming jet pump is a high-efficiency pump designed for domestic water supply, agricultural irrigation, and small-scale industrial applications.
1. High-Efficiency Self-Priming Technology and Rapid Startup
Featuring an optimized jet system with superior self-priming capabilities, it starts quickly and primes without the need for manual filling. Its unique gas-liquid separation structure effectively expels residual air from the piping, reducing preparation time and enhancing operational efficiency.
2. Versatility Across Multiple Scenarios
Domestic Water Supply: Supports mains water boosting, rooftop tank refilling, and pressure maintenance for hot water circulation systems, effectively resolving low water pressure issues in high-rise residences.
Agricultural Irrigation: Suitable for garden sprinkler systems and greenhouse drip irrigation, providing stable water delivery from wells or storage reservoirs.
Commercial & Industrial: Meets needs such as water supply for small farms, equipment cooling circulation, and workshop cleaning; compatible with clean water and liquids containing minor impurities.
3. Energy Efficiency, Eco-friendliness, and Low-Noise Operation
Equipped with a high-efficiency permanent magnet motor and a hydrodynamic impeller, it reduces energy consumption by up to 30% compared to traditional pumps. Its enclosed structure and vibration-dampening base ensure noise levels remain below 45 dB, making it suitable for indoor installation and compliant with environmental standards.
4. Intelligent Control and Durable Design
Automatic Constant Pressure: Built-in pressure sensors and a variable frequency module adjust motor speed in real-time to maintain stable output pressure and prevent water hammer.
Protection Mechanisms: Includes dry-run protection, overheat cut-off, and anti-rust coating; core components utilize stainless steel and engineering plastics to extend service life.
Easy Maintenance: A modular design allows for quick disassembly and cleaning, while a transparent window provides a clear view of internal operations.
5. Optimized Structure and Safety Features
The compact body saves installation space, and standard threaded inlet/outlet ports support both vertical and horizontal installation. Double insulation and grounding terminals ensure electrical safety, meeting international electrical safety certification standards.
Applications
Water supply
Sprinkling
Irrigation and watering
Pumping water from wells and low-level storage tanks
Equipment/Functions
Directly flanged motor
Pressure switch
Diaphragm pressure vessel
Single-phase motor
Connection cable with plug
Thermal motor protection switch
Model code
|
Example: |
Initial Jet System 3-4-22 |
|
Initial |
Wilo Initial Line |
|
JET |
series |
|
system |
Equipped with a diaphragm pressure tank and a pressure switch. |
|
3 |
Rated flow rate Q, unit: m³/h |
|
-4 |
Water Pump Pressure Index |
|
-22 |
Water storage tank dimensions |
Technical data
Mains connection 1~230 V, 50 Hz
Max. suction lift 7 m
Max. inlet pressure 2 bar
Cut-in pressure 1.5 bar
Variable cut-out pressure
Fluid temperature +5 °C to +35 °C
Max. operating pressure 6 bar
Protection class IPX4
Discharge-side connection Rp 1
Suction-side connection G 1
Materials
Pump housing: EN-GJL 200 cast iron
Impeller: 1.4301 (AISI 304) stainless steel; except Jet 3-4: modified PPO
Shaft: C10 / AISI 304 stainless steel
Mechanical seal: Ceramic/carbon + NBR + AISI 304
Guide vane/injector made of modified PPO
Seals: NBR
Vessel: FE P04 steel
Pressure switch: CW617N brass
Scope of delivery
Pump
Connection cable (2 m) with plug
Pressure switch
Pressure gauge
Diaphragm pressure vessel (19/50 l)
Pressure hose with steel casing and screw connection
Installation and operating instructions
Accessories
Suction hose assembly