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Product sheet
Prima Klima Thermo Controller Air Extractor 125 mm — 400 m³/h | BloomLED
€148.00
Tax included
Shipping within 24H
Automate the climate inside your grow tent — Prima Klima 125 mm extractor with built-in thermo controller and 2 m remote probe. Airflow self-adjusts up to 400 m³/h based on the real temperature inside the tent.
Hand-picked by BloomLED, indoor lighting and ventilation expert for 10+ years. Quiet Swiss motor with ball bearings, run after run.
Ø 125 mm · 400 m³/h max · 60 W motor · 2 m probe · 3 m duct included
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VENTILATION
Prima Klima Thermo Controller 125 mm — smart ventilation for indoor growing
A successful grow tent depends as much on climate control as on lighting. The Prima Klima Thermo Controller 125 mm fully automates your air extraction: a remote temperature probe reads the real heat right at the canopy, and the built-in thermo controller raises or lowers the fan speed up to 400 m³/h to keep your tent in the sweet spot through veg and bloom. Hand-picked by BloomLED, indoor lighting and ventilation expert for 10+ years, this Prima Klima fan pairs a Swiss-built 60 W motor with sealed ball bearings, a sturdy steel housing and a reliable sensor — everything you need for a stable, quiet and energy-aware grow space.
Technical specifications
| Spec | Value |
|---|---|
| Brand & model | Prima Klima PK 125 Thermo Controller |
| Duct diameter | Ø 125 mm |
| Max airflow | 400 m³/h (probe-controlled) |
| Dimensions | H 244 mm × Ø 220 mm |
| Motor | Swiss 60 W, 230 V, 0.26 A, ball bearings |
| Control | Built-in thermo controller + 2 m remote probe |
| Max air temperature | 42 °C intake |
| Recommended tent size | 0.5 to 1 m³ (up to 100×100×200) |
| Included | 3 m flexible duct + two 25-175 mm clamps |
| Warranty | BloomLED — technical support based in France |
400m³/h max
125mm Ø
60 Wpower draw
Why this Prima Klima fan is a BloomLED pick
🌡️ Fully automatic regulation
Place the remote probe right inside the canopy. As soon as the temperature rises above your set point, the fan speeds up; when the air cools down, it slows back down. No more fiddling with a manual rheostat — the climate stays steady day and night.
🔇 Swiss ball-bearing motor
Prima Klima uses a battle-tested 60 W Swiss motor selected for longevity and quiet operation. Ball bearings absorb the speed changes without rattling or whining — perfect for a grow space close to a living area.
⚡ Real energy savings
The extractor only ramps up when it has to. Across an 8 to 9 week bloom cycle, average power draw drops noticeably compared to a fixed-speed or manually regulated fan.
🪛 Plug-and-grow setup
The pack ships with 3 m of flexible Ø 125 mm duct and two adjustable clamps (25-175 mm). Connect the fan to your carbon filter or straight to the exhaust port in minutes, no extra accessory needed.
🛡️ BloomLED selection, France-based support
BloomLED keeps this extractor in the catalog because it has proven itself across hundreds of grow tents. Pre-sale advice, sizing and after-sales support are handled by our France-based team — indoor experts for 10+ years.
Frequently asked questions
What grow tent size is this 125 mm 400 m³/h extractor designed for?
It fits 0.5 to 1 m³ tents — typically 80×80×160, 100×100×180 or 100×100×200. For larger tents (120×120 or more), step up to the 160 mm 800 m³/h model to keep a safety margin, especially when running a carbon filter in line.
Can the thermo controller drive a carbon filter at the same time?Yes. A Ø 125 mm carbon filter mounts in series on the intake side of the extractor. The thermo controller then regulates the whole loop (filter + fan). Just make sure the filter is rated for 400 m³/h to avoid excessive pressure loss.
Is this Prima Klima fan really quiet?The Swiss ball-bearing motor is one of the quietest at this power level. At moderate airflow it is barely audible. For near-silent operation at full speed, BloomLED recommends pairing it with a sound-insulated box or moving up to the WHSP silent range.
How do I set the target temperature?The control box has a simple dial (usually between 20 and 35 °C). Set your target temperature, place the probe at canopy level, and the fan modulates its speed automatically to stay near the set point. Designed in Europe, shipped and supported by BloomLED — France-based expert for 10+ years.
The smart pick to automate a grow tent up to 1 m³: a Prima Klima 125 mm thermo-controlled extractor avoids over-spec'ing, stabilizes the climate, and frees the grower from daily manual tuning.
✓ BloomLED selection✓ Swiss motor✓ Probe + thermo integrated✓ 3 m duct included✓ France expert 10+ years
EXT-PK-400-THERMO-CONTRO
New
Automate the climate inside your grow tent — Prima Klima 125 mm extractor with built-in thermo controller and 2 m remote probe. Airflow self-adjusts up to 400 m³/h based on the real temperature inside the tent.
Hand-picked by BloomLED, indoor lighting and ventilation expert for 10+ years. Quiet Swiss motor with ball bearings, run after run.
Ø 125 mm · 400 m³/h max · 60 W motor · 2 m probe · 3 m duct included