Lowara submersible clear water pump DOC3/A with float
Lowara DOC 3/A Single-Phase Submersible Pump (0.25 kW) with Float Switch
Reliability and Power for your Drainage:
Model: Lowara DOC 3/A (Code 107540000)
Power: 0.25 kW / 0.33 HP (Single-phase 220V)
Max flow rate: Up to 135 l/min
Max head: Up to 7 m
Solids Passage: Up to 10 mm (Clear/lightly dirty water)
Materials: Pump body in anti-corrosion AISI 304 stainless steel
Operation: Automatic with integrated wire float
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Tired of flooded cellars and complicated decanting? The solution is Lowara DOC 3/A.
Problem: A sudden storm or leak can turn your garage or utility room into a swimming pool, forcing you to resort to tiring and ineffective manual interventions. You need a reliable , compact , automatic drainage solution.
Solution: The Lowara DOC 3/A submersible electric pump is designed to solve exactly this problem. With its 0.25 kW power and ultra-lightweight , corrosion-resistant stainless steel design, it's the perfect ally for emergencies and the ongoing drainage of confined spaces.
Why choose DOC 3/A:
Instant Response: Thanks to the integrated float switch , the pump activates and deactivates automatically. Forget about worry: drainage starts as soon as the water level rises.
Professional Performance in a Compact Format: Despite its small size, it guarantees a flow rate of up to $135 \text{ l/min}$ , ideal for quickly emptying collection pits, rainwater tanks and underground spaces.
Guaranteed Durability: The AISI 304 stainless steel body and motor casing ensure superior resistance to oxidation and wear, extending the useful life of your pump.
Easy Installation: Ready to use, single-phase (220V) with cable and plug. Install in minutes, for both fixed and mobile use.
⚠️ Compatibility Notice
IMPORTANT: Pumpable Water and Solids
The Lowara DOC 3/A is optimised for the drainage of clear or slightly dirty water.
✅ Ideal for: Rainwater, seepage, domestic washing waste, transfer from tanks.
🚫 NOT Suitable for: Wastewater with fibrous matter, sewage, liquids with coarse sand or solids greater than 10 mm . For these applications, consider the DOC VX (Vortex) series.
❓ FAQ (3 Frequently Asked Questions)
Q: Can the pump completely drain a flooded cellar?
A: The DOC 3/A can suck up to a very low residual level (a few millimeters). For complete drainage, we recommend purchasing specific pumps with low suction.
Q: What is the minimum and maximum float activation level?
A: The activation and deactivation levels are manually adjustable by adjusting the length of the float cable. Generally, it activates when the water raises the float and deactivates when the level drops to the preset minimum, ensuring fully automatic operation.
Q: Can the DOC 3/A be used to pump water from a very deep well?
A: This pump is classified as a "drainage pump" and has a maximum immersion depth of 5 m and a maximum head of 7 m . It is not recommended for artesian or very deep wells.
| ELECTRIC PUMP DATA | |
| Model | DOC3/A |
| Code | 107540000 |
| MOTOR | |
| Diet | Single-phase 1 x 230V |
| Insulation class | B (130°C) |
| Degree of protection | IPX8 |
| TECHNICAL DATA | |
| Diving depth | 5 m |
| Free passage: | 10 mm |
| Max liquid temperature | 40°C |
| MATERIALS | |
| Pump body | Stainless steel |
| Impeller | Noryl® |
| Elastomers | NBR |
| Mechanical seal | No. 3 lip seals |
| HYDRAULIC PERFORMANCE | ||
| Connections sent | P kW | Weight Kg |
| Rp1¼ | 0.25 | 4 |
| m3/h | 0 | 3 | 4.5 | 6 | 7.5 | 8.1 | 10.5 | 13.5 |
| l/min | 0 | 50 | 75 | 100 | 125 | 135 | 175 | 225 |
| H | 6.9 | 5.6 | 4.7 | 3.7 | 2.5 | 2 |
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