Introducing the Infratech 30 4045 Solid State Control - 1 Zone Analog Control with Digital Timer - 4.5 x 6.75 x 2.5 in. - Gray Steel Color. Infratech offers the widest array of control options in the industry. Infratech's Custom Control lineup offers the latest tech innovation, from voice-activated, hands-free mobile control to zone heating capabilities and smart home integration. Infratech's Value Controls are designed for efficient ease of use that is compatible with any budget. All Controllers are NEMA 12 RATED, and can be exposed to mist, but not direct rain. Each Intensity Control Knob can control a maximum of three relays in the Relay Panel.