Infratech Comfort Relay Solid State Control Panel d5.9 18" x 30 Degree Aluminum Size & Description:48" SS Chimney Length 18" x 30 Degree Aluminum Elbow Product Comparison Chart Ideal when using multiple heaters to set up zones for a variety of simple or complex applications Infinite Heat Control Use Any Switch Solid State Control Packages work in conjunction with Infratech’s Analog Controllers Only Timer Analog Controllers are offered with or without Digital Timers Remote Dimming Zoning Capabilities Smart Phone Tablet Application NEMA Rating NEMA 12 Analog NEMA 4 Panel Wiring Diagrams Provided Tested Before It Leaves The Factory Assigned a UL Listing Number Panel Built Job Specific Overall Dimensions 14" (W) x 7" (D) x 16" (H) Interior measurements 16" H x 12" W x 6" D Zone Heating – the capability to control one or more heaters to heat specified target areas within a large scale space with a single touch