Galcon, part of the Plasson Group, build controllers from single-valve battery units up to cloud-managed platforms handling 50 mainlines and proportional fertigation. The 8000 series is the one rated for greenhouse misting and livestock-shed cooling, and the S8000 does seconds-based irrigation on minute intervals — which a standard station timer cannot.
We stock the production range rather than the garden-centre end. If you have seen a Galcon hose-end timer, that is a different part of their catalogue and not what we carry.
Cellular to the GSI cloud; web and app interface; weather-resistant casing
Sizes
Up to 24 valves + master · up to 2 irrigation heads/lines · 2 water meters per head · up to 7 digital and 5 analog inputs
Best for
Their top cloud controller. Up to 10 fertigation programs and 4 fertigation channels per irrigation head with EC/pH control, plus filtration management, flow control and condition programming. Alarm notifications, weather service, history logs, a third-party API and a direct API into Sentek IrriMAX Live for soil-moisture-driven scheduling
Cellular; smartphone and computer control from anywhere
Sizes
Agricultural scale; outdoor enclosure
Best for
Total irrigation and fertigation control with the precision of the AG series and the reach of the cloud platform. The current generation of the GSI line — The GSI-PRO AC build — 24 VAC 50/60 Hz from the grid.
Cellular, no software to install; outdoor waterproof enclosure; connects to terminal units by one-way radio
Sizes
Up to 24 valves + master valve · 8 irrigation programs (series), unlimited starts per day
Best for
Proportional or precision quantity fertigation with an automatic filter-flush program, on quantity, time or weather-based scheduling. Over-the-air software updates, multi-user authorisation hierarchy, real-time alarms by email or push, and detailed irrigation and water-consumption logs. Works with valves already in the ground — The AC build — powered from the electricity grid.
4 or 8 irrigation valves + fertilizer pump and master filter · connects to 4 water meters · 3 conditional inputs · alarm output
Best for
Quantity-based irrigation with flow-rate control and proportional fertigation, sized for small plots, orchards and greenhouse ranges rather than a whole farm. Filter wash program built in. The DC build runs where there is no power at the head — The AC build — grid electricity powered.
Mains powered; rain sensor and dry-contact temperature/humidity sensor inputs
Sizes
8–24 valves · programs split by series A, B, C · irrigation duration 1 minute to 9 hours
Best for
Modular zone control with a time-based fertigation program and an auxiliary program for lighting or any other independent electrical output — useful where the same panel has to run photoperiod lighting as well as water. Weekly or cyclic scheduling from once a day to once a month, a delay function out to 240 days, and seasonal adjustment of run time by percentage
24 V powered; outdoor waterproof enclosure; suits a broad range of valves and solenoids; NC rain sensor input
Sizes
6, 9 or 12 valves, each separately programmable · two valves can irrigate concurrently
Best for
Explicitly rated by Galcon for greenhouse misting and for cooling poultry and cattle sheds — the S8000 model does seconds-based irrigation and minute-interval cycles, which is what misting needs and what a standard station timer cannot do. Multiple cycles per day with a large number of activations
24 V powered, indoor installation; NC rain sensor input; smartphone control on the 8000BT
Sizes
4 or 6 valves, each separately programmable · two valves can irrigate concurrently
Best for
The indoor build of the 8000 — same seconds-based irrigation and high activation counts on the S8000 model, same suitability for greenhouse misting, in a smaller 4 or 6 valve frame for a panel inside the headhouse
Cellular with built-in antenna; DC model on rechargeable lithium with solar or grid charging, AC model mains powered; outdoor waterproof enclosure
Sizes
Up to 24 valves + master valve · 8 irrigation programs (series), unlimited starts per day
Best for
The landscape and turf version of the GSI platform — percentage-based fertigation, water-meter connection, weather-station interface and controllers shown on a map, which matters when one crew looks after many sites. Over-the-air updates and real-time alarms — The AC build — powered from the electricity grid.
Cloud app; drives fertigation machines with EC/pH control and remote terminal units over radio or wireline
Sizes
Up to 50 main irrigation lines · 200 irrigation devices · 100 water meters · up to 40 local fertilizer pumps · up to 7 different fertilizers
Best for
The big-site system — a hierarchical network of up to 50 mainlines rather than a single head. Opens and closes irrigation capacity gradually to stop pressure spikes, and caps flow to the pipework so a bottleneck cannot be exceeded. One water meter can be shared across many valves while each still operates individually, which saves a meter per valve on a large block
Cellular; smartphone and computer control from anywhere
Sizes
Agricultural scale; outdoor enclosure
Best for
Total irrigation and fertigation control with the precision of the AG series and the reach of the cloud platform. The current generation of the GSI line — The GSI-PRO DC build — lithium batteries, or a solar panel with rechargeable batteries.
Cellular, no software to install; outdoor waterproof enclosure; connects to terminal units by one-way radio
Sizes
Up to 24 valves + master valve · 8 irrigation programs (series), unlimited starts per day
Best for
Proportional or precision quantity fertigation with an automatic filter-flush program, on quantity, time or weather-based scheduling. Over-the-air software updates, multi-user authorisation hierarchy, real-time alarms by email or push, and detailed irrigation and water-consumption logs. Works with valves already in the ground — The DC build — lithium battery, rechargeable from a solar panel or from the grid.
4 or 8 irrigation valves + fertilizer pump and master filter · connects to 4 water meters · 3 conditional inputs · alarm output
Best for
Quantity-based irrigation with flow-rate control and proportional fertigation, sized for small plots, orchards and greenhouse ranges rather than a whole farm. Filter wash program built in. The DC build runs where there is no power at the head — The DC build — battery powered, for plots with no electricity at the head.
9 V battery; suits two-wire or three-wire solenoids
Sizes
DC6 up to 6 valves · DC9 up to 9 valves · DC12 up to 12 valves · IP 54
Best for
Battery control for 6 to 12 valves where there is no power — the practical option on an outlying block. Seconds-based irrigation and minute-long cycles on the S model, time-based fertigation on the F11, and smartphone control
9 V battery; dry-contact sensor input to halt irrigation on rain, temperature or humidity
Sizes
1–6 valves · IP 68 — waterproof for outdoor or valve-box installation
Best for
IP 68 means it survives a flooded valve box, which is where these usually die. One to six valves on battery, with seconds-based irrigation and minute-long cycles on the S model and time-based fertigation on the F11
Battery powered with low-battery alarm and manual mechanical opening; rain sensor input; smartphone control on 7101BT
Sizes
Includes a hydraulic valve, ¾" to 2" · model 7001D single line · all 7101 models IP 68
Best for
Controller and valve as one unit for a single line — a run of sprinklers or one long drip lateral — so there is no separate solenoid to wire. IP 68 on the 7101 models for pit installation, and a manual mechanical override to open the valve by hand when needed
Cellular with built-in antenna; DC model on rechargeable lithium with solar or grid charging, AC model mains powered; outdoor waterproof enclosure
Sizes
Up to 24 valves + master valve · 8 irrigation programs (series), unlimited starts per day
Best for
The landscape and turf version of the GSI platform — percentage-based fertigation, water-meter connection, weather-station interface and controllers shown on a map, which matters when one crew looks after many sites. Over-the-air updates and real-time alarms — The DC build — lithium battery, rechargeable from a solar panel or from the grid.
