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The ATMAN AT-103 Water Pump (1,300 L/H) H120 cm is a precise and quiet submersible pump for indoor growing . It offers a flow rate of 1,300 L/h , a head of 120 cm , and a power consumption of 25 W. The integrated flow regulator allows you to adjust the flow for uniform watering of your indoor plants .

The ATMAN AT-103 Water Pump (1,300 L/H) H120 cm stands out for its balance between hydraulic performance and energy efficiency. Its submersible design operates inside the tank to minimize noise and cavitation, propelling the nutrient solution towards drippers, rings, or a small lance.
The electromagnetic unit delivers 1,300 liters/hour with 25 watts , enough for cabinets and work tables that require frequent and controlled shifts.
The 1.2 m lift height compensates for common level differences between tank and table, as well as small losses due to filters and distributors.
The integrated flow regulator allows the flow to be adapted to rooting, growth or maintenance phases, avoiding peaks that could unbalance the distribution.
Compact dimensions 8 × 9.5 × 6 cm facilitate mounting in mixing tanks and auxiliary buckets; the intake grid helps to contain particles, maintaining flow continuity.
Quick maintenance: simple opening, impeller rinsing, and closing. Stable operation to keep nutrients moving, improve oxygenation through agitation, and ensure even watering in any indoor irrigation system .
In indoor cultivation , consistent watering promotes vigor and uniformity. The ATMAN AT-103 Water Pump (1,300 L/H) H120 cm feeds micro-drip lines and small manifolds with a regular flow rate. The 1,300 L/h flow rate maintains a homogeneous mix within the reservoir, reduces salt sedimentation, and improves mineral availability in the root zone. An excellent choice for rooting tables, compact grow tents, or lightweight hydroponic systems designed for cannabis plants requiring frequent and precise watering.
It is used to pump and recirculate water in tanks, agitate nutrient solution , feed drippers , distribution rings, and a small lance for maintenance tasks. The combination of a 120 cm height and a flow rate of 1,300 L/h effectively manages small pressure drops, ensuring uniform distribution. Its 25 W efficiency allows for extended operation with minimal energy consumption, ideal for automating short, frequent irrigation cycles.
Easy integration with standard irrigation accessories : 12–16 mm tubing, reducers, distributors, pressure-compensating drippers , fine mesh filters, and non-return valves. In combination with timers, irrigation zones can be staggered and times adjusted according to variety or phenological stage. Its compact size allows for mounting in mixing tanks, auxiliary tanks, or small backup RDWC circuits, maintaining order and cleanliness in the irrigation system .
The ATMAN AT-103 Water Pump (1,300 L/H) H120 cm is competitively priced for its performance: 1,300 L/h , H120 cm , 25 W , compact size (8 × 9.5 × 6 cm) , and flow regulator . It offers an attractive cost-performance ratio for modernizing or expanding installations without increasing energy consumption.
Hydroponics Blanes , a trusted grow shop and online store , offers discreet shipping throughout Spain and advice on flow rate, filter selection, and line layout. Extensive catalog for indoor growing : pumps, irrigation accessories , reservoirs, lighting, and climate control.
Quick technical specifications: Flow rate 1,300 L/h · Max. height H120 cm · Power 25 W · 230 V / 50 Hz · submersible · flow regulator · dimensions 8 × 9.5 × 6 cm · easy maintenance.
For those seeking efficiency and control in compact spaces, the ATMAN AT-103 Water Pump (1,300 L/H) H120 cm. ensures a stable flow rate for mixing nutrients, feeding drippers, and precisely watering indoor crops .
A practical ally to keep the irrigation system tidy and reliable, with support from Hydroponics Blanes in advice and logistics.