Check the listing for details. Hydrofarm Electronic Heat Mat Temperature Controller. Condition: Used. Listed at 28.99 USD. Enhance your hydroponics setup with the Hydrofarm Electronic Heat Mat Temperature Controller. This high-quality controller allows you to precisely regulate the temperature of your heat mat, ensuring optimal plant growth. Designed to work with 120V heat mats, this controller is easy to use and features stainless steel construction for durability. With its compatibility with Hydrofarm brand heat mats and its ability to control temperature, this controller is an essential tool for any hydroponics enthusiast. Its sleek design and sturdy construction make it a reliable addition to your propagation and cloning equipment. Add the Hydrofarm Electronic Heat Mat Temperature Controller to your collection and take your hydroponics setup to the next level. M7