Description
GAS EC Active Splitter Cable is an electrical control cable that allows a single EC fan controller or environmental controller to simultaneously manage two EC inline fans by splitting the control signal to both units simultaneously. We have been recommending GAS ventilation equipment and accessories to UK growers since 2017 as a practical and reliable solution for automated grow room climate management, and the Active Splitter Cable is the efficient answer to running multi-fan ventilation systems from a single controller without the cost of purchasing separate controllers for each fan.
Why an Active Splitter Cable Is Better Than Two Separate Controllers
In grow rooms with two separate ventilation zones — for example, a grow room and a clone room sharing an environmental controller — or in setups where intake and exhaust fans should always run in synchronisation to maintain stable negative pressure, an active splitter cable ensures both fans receive identical control signals simultaneously. This means when the controller increases extraction speed in response to a temperature rise, both fans ramp up together — maintaining the balanced airflow relationship that determines whether negative pressure, odour containment, and air exchange rates are consistent. Running each fan on its own controller introduces the possibility of the fans drifting to different speeds, disrupting the balanced ventilation system and requiring regular re-calibration. The Active Splitter Cable also reduces the cost and complexity of the control setup by eliminating the need for a second controller, and reduces cable clutter in the grow room.
How to Connect the GAS EC Active Splitter Cable
Connect the single input end of the splitter cable to the controller output port on your GAS or compatible EC environmental controller. Connect each of the two output ends to the control port of the respective EC inline fans. Ensure all connectors are fully seated before powering the system. Test by adjusting the fan speed on the controller and verifying that both fans respond identically and simultaneously. The active circuit in the splitter cable ensures that both fans receive a full, clean control signal rather than a degraded shared signal, maintaining precise control accuracy on both fans. Compatible with GAS EC fans and controllers; check compatibility with third-party EC fans before purchase.
Pair the GAS EC Active Splitter Cable with GAS EC inline fans, a GAS EC controller, and your complete ventilation system for efficient, centralised, multi-fan climate management. Browse our full GAS ventilation and EC control range.
Browse the full range: Explore our complete New Products range at The Horticulture Company. Also in this range: IONIC CALMAG PRO, UGRO XL BASIC 70LITRE, EXHALE CO2 BAG, PLANT !T YOYO (PACK OF 8).







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