TrolMaster Dry Contact Station Procidic2 LED status:

LED status:

or sand hold very little plant nutrient

Whitefly/Thrips (suppressed)

Low temperature defrosting

Made in California

TrolMaster Dry Contact Station Procidic2 LED status:The Trolmaster DSD 1 Dry contact module provides a simple and flexible solution to who want to connect & control devices to the Hydro X using a dry contact or relay to activate the device. Some equipment requires either normally open or normally closed contact closure in order to activate the equipment. The DSD 1 is the product that you need to control those types of devices. * The DSD 1 can be configured to work as the other Trolmaster power modules