Prima Klima EC/TC Inline Fan 125 mm 680 m³/h — ECblue Motor with Thermo Control | BloomLED

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PRO INLINE FAN Ø125

Prima Klima EC/TC Inline Fan — The ECblue Benchmark for 125 mm Grow Tents

The Prima Klima EC/TC Ø125 mm 680 m³/h inline fan is the silent weapon of demanding indoor growers. Its next-generation ECblue motor paired with the included Thermo Control temperature and humidity controller automatically regulates the air renewal of your grow tent, consumes up to 50% less energy than a conventional AC motor, and protects your plants from heat spikes — with zero manual intervention.

Prima Klima EC/TC 125 mm 680 m³/h inline fan for indoor grow tent

Technical specifications

Specification	Value
Duct diameter	125 mm (fits all standard Ø125 ducts & filters)
Maximum airflow	680 m³/h
Motor type	Prima Klima ECblue (electronic commutation)
Power consumption	170 W
Voltage / Frequency	230 V AC · 50–60 Hz
Current draw	0.74 A
Control	Thermo Control box (temperature/humidity probe) included
Dimensions	H 24.4 cm × Ø 24.4 cm
Power cord	2 m, EU 230 V plug
Construction	Steel housing, dynamically balanced blades

680m³/h peak

170 WECblue draw

Ø125Pro standard

-50%Energy vs AC

AutoThermo Control

Six key strengths

⚡ Next-gen ECblue motor

The ECblue electronic commutation technology offers a significantly higher efficiency than conventional AC motors. You get 680 m³/h for only 170 W absorbed, with a smooth and continuous speed regulation — no more brutal ON/OFF switching that stresses plants and shakes the tent.

🌡️ Integrated Thermo Control

The controller shipped with the fan includes a temperature and humidity probe. You set your tolerance threshold (e.g. 28°C) and the fan automatically modulates its speed to maintain that target. No hour-based programming to manage.

🤫 Quiet operation

Thanks to continuous speed modulation, the fan only runs at full power when truly necessary. At cruise, it stays discreet — a key benefit for growers in apartments who want to remain invisible to their neighbours.

🔌 Instant Plug & Play

2 m mains cord with EU 230 V plug, probe output and Ø125 mm inlet for standard ducting. Plug it in, mount the probe inside the tent, set the threshold — ready in under 5 minutes.

💪 Durable Prima Klima build

Prima Klima is one of Europe's leading horticultural ventilation brands for over 20 years. Rigid steel housing, balanced blades, sealed bearings: this fan is built to run thousands of hours maintenance-free.

📐 Universal Ø125 form factor

The Ø125 mm standard is the most widespread on the market: it connects without adapter to most carbon filters, aluminium ducting and silencers available. Ideal for grow tents from 80×80 to 120×120 cm.

Who is it for? Intermediate to advanced growers who want automated, quiet and economical ventilation without compromising on airflow. If you are looking for the best quality/performance/consumption trade-off in Ø125, you are in the right place.

Frequently asked questions

What grow tent size suits this inline fan?

For a full air refresh every 1 to 3 minutes (indoor standard), 680 m³/h fits perfectly tents of 80×80×180 cm, 100×100×200 cm and even 120×120×200 cm. Above that (160×160 and up), step up to Ø150 or Ø200.

Is the Prima Klima EC/TC really quiet?

Yes, especially at thermal cruise: ECblue modulation keeps a low regime as long as the temperature is below the threshold. For maximum silence, pair it with a Ø125 silencer or pick the WHSP (whisper) version which further reduces aerodynamic noise.

Do I need a carbon filter with this fan?

To remove odours at the end of flowering, yes — a Ø125 mm carbon filter is essential. Make sure its m³/h capacity matches or exceeds the fan's airflow (≥ 680 m³/h). The Ø125 standard lets you fit any filter on the market.

How does the included Thermo Control work?

The control box plugs between the fan and the mains. Its probe is placed at canopy height inside the tent. You set a target temperature (e.g. 26°C) and the controller varies the speed to respect that target — warmer than target: it accelerates; cooler: it slows down.

What is the difference vs the GSE 680 m³/h version?

Raw performance (680 m³/h, Ø125) is very close. The difference lies in the philosophy: Prima Klima favours a simple stand-alone controller; GSE LCD offers a more sophisticated multi-parameter display. Choice depends on your preference — see comparison below.

✓ Hand-picked by BloomLED ✓ Prima Klima manufacturer warranty ✓ French support & aftersales ✓ Ships within 24-48h

Reference EXT-PK-TC-125-680

Condition New

The Prima Klima EC/TC Inline Fan 125 mm 680 m³/h offers full automatic thermal control and ultra-efficient ECblue technology, ideal for indoor gardening and hydroponics. With a 170 W motor and a 2 m cord, it ensures optimal ventilation for healthier plants.