HW 900 Niro - Water pump EINHELL - Free user manual and instructions
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| Product type | Clear water pump |
| Brand | Einhell |
| Model | HW 900 Niro |
| Rated power | 900 W |
| Voltage | 230 V ~ 50 Hz |
| Max flow rate | 5 000 l/h |
| Max delivery head | 45 m |
| Max suction depth | 8 m |
| Delivery connection | 1" (25,4 mm) |
| Suction connection | 1" (25,4 mm) |
| Body material | Stainless steel (Nirosta) |
| Motor type | Asynchronous motor |
| Protection class | IPX4 |
| Max fluid temperature | 35 °C |
| Cable length | 10 m |
| Dimensions (LxWxH) | 32 x 20 x 35 cm |
| Weight | 8,5 kg |
| Features | Integrated filter, non-return valve, automatic switch |
| Maintenance | Clean the filter regularly, drain in winter |
| Safety | Thermal protection, automatic shutdown in case of overheating |
| Spare parts | Available on the Einhell website (seals, valve, impeller) |
| Repairability | Repairability index 8,6/10 |
| Warranty | 2 years (according to conditions) |
Frequently Asked Questions - HW 900 Niro EINHELL
How to prime the HW 900 Niro pump?
Fill the pump body with water through the delivery port before starting. Priming is essential to avoid dry running, which could damage the pump.
Can the pump be used with salt water?
No, the HW 900 Niro pump is designed only for clear water. Salt water or water containing corrosive impurities can damage the seals and motor.
What is the maximum suction depth?
The maximum suction depth is 8 meters. Beyond that, the pump may not function properly due to atmospheric pressure.
How to descale the pump?
Use a descaler suitable for pumps (citric acid or specific product). Circulate the solution in the pump for 15 minutes, then rinse thoroughly with clear water.
What to do if the pump does not start?
First check the power supply and circuit breaker. Make sure the water level is sufficient and the pump is properly primed. If the problem persists, the thermal protector may have tripped; wait for the pump to cool down.
Can the pump be left outdoors?
The pump is rated IPX4, splash-proof but not submersible. It is advisable to protect it from rain and frost. In winter, drain it and store it indoors.
What hose diameter to use?
Use a hose with a diameter of 1 inch (25.4 mm) for suction and delivery connections. A smaller hose would reduce flow and could cause pressure losses.
The pump makes an abnormal noise, what to do?
Abnormal noise may be due to cavitation (lack of water) or air in the piping. Check the tightness of connections and priming. If the noise persists, inspect the impeller for any debris.
Where to find spare parts?
Spare parts (seals, valve, impeller) are available on the official Einhell website or from authorized dealers. Have the model number HW 900 Niro ready when ordering.
What is the maximum delivery pressure?
The maximum delivery head is 45 meters, which corresponds to a pressure of about 4.5 bars. The actual pressure depends on the flow rate and actual height.
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USER MANUAL HW 900 Niro EINHELL
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Product information
Brand : EINHELL
Model : HW 900 Niro
Category : Water pump