Page 30 - Griffin CEA Catalog- 2026-2027

CONSTRUCTION & GENERAL SUPPLIES
Environmental Controllers Additional Control Options

Pearl Controller iDrive Motor Controller
Modular, scalable, cloud-connected Controls AC/DC motors via a 5-position
environmental controller for greenhouse manual override switch, motor reverse
and indoor agriculture auutomation. delay, and high-quality components.
Controls heating, ventilation, cooling,
lighting, irrigation, fertigation, and CO2 iOptimizer VFD Controller
systems. Smart controller to regulate motor speed
to optimize energy use.
Key Points:
Pearl Integrated Controller • Snap-in, hot-swappable modules Modbus Sensors
installed in seconds
Measure temperature, humidity, CO2,
• Scalable up to 128 inputs/outputs PAR light, EC, pH, level, flow, dissolved
• Buy what you need now, expand later oxygen, soil moisture, and more.
• Manual override switches
Link4 Cloud
• 6 heating and 6 cooling stages Offers full visibility into growing operations
• Humidification and dehumidification with real-time monitoring, remote control,
control alarms and alerts, data logging, trend
2026 • Comes in a UL, NEMA4 panel or IP65 tracking, reports, and more.
2027 Pearl Stand-Alone Controller weatherproof enclosure
NEW! HydroRoot 16
• Supports third-party Modbus sensors
Pearl Prime Irrigation Controller
Designed for standard pad-and-fan
houses and hoop houses. Controls up Ideal for propagation houses,
to eight pieces of equipment in a single greenhouses, nurseries, and indoor
zone. Comes with five integrated power environments. Controls up to sixteen
relays (15A) for high-load equipment. stations with five irrigation modes. These
include schedule, misting (to-the-
Pearl Protect second), VPD, accumulated light, and
Standalone environmental monitoring soil moisture.
Pearl Prime system with integrated temperature and
Link4 – Commercial humidity sensor. Sends alerts for critical Advanced features include rain skip,
environmental, irrigation conditions. water now, weather station integration,
and more.
and fertigation controllers.

A controller solution
for any grower’s needs.

Link4 offers a full line of commercial
control systems for greenhouse and
indoor growing applications. Designed
for ease of installation, dependable
operation, and integration with Link4
Cloud for remote monitoring.
Pearl Protect HydroRoot 16 Irrigation Controller

L4 RO SYSTEM | Produces high purity water by reducing contaminants such as dissolved
minerals, particulates, and organic impurities using a reverse osmosis membrane system. Complete, skid mounted,
pre-plumbed, pre-wired reverse osmosis (RO) system for quick installation and start-up.

Griffin Construction Department | Partner with us on your next project.
Call for consultation and quote: 1.800.888.0054 then press 3.
30 | CEA/HYDRO CATALOG