News and Resources
Did you know? Link4 offers full environmental and irrigation control
The iGrow 800 from Link4 comes equipped with 8 outputs (expandable to 32) to help you track and record your energy use...
Improve Your Airflow With the iOptomizer
The iOptimzer is a Variable Frequency controller that is used with our controllers to regulate air flow on fans or the...
New Sapphire Irrigation Controller From Link4
Link4’s new Sapphire commercial irrigation controller can be programmed for mist, flood, drip or standard irrigation...
Above and Beyond Technical Support
At Link4, we take pride in providing our valued customers with the best customer support in the industry. Our first...
The Membrane Life of RO Systems
Membranes play an important role in all RO systems including Link4’s new R1-Series of RO Systems. That starts with...
Link4’s iOptomizer
The iOptimzer is a Variable Frequency controller that is used with our controllers to regulate air flow on fans or the...
Short Lead Times
Link4 order lead times remain short during these crazy times. We all know that parts are hard to secure for production...
Proudly Made in the USA
Link4 is proud to be an American based company. Our sales, technical support, shipping, production, and engineer teams...
Innovation at Link4
Innovation is one of the core foundations of Link4. Our dedicated staff of engineers and programmers work constantly...
Alarms and Notifications on the Link4 Cloud
With Link4’s Cloud, you the grower can have peace knowing that your investment is safeguarded against undesirable...