Infratech Comfort 3 Zone Analog Solid State Controller ceramic glass self trimming design – no separate Iron Finish:Hand Rubbed Bronze SPF self trimming design – no separate trim required Installation Surface mount Heat Vent Location Front Product Height (in) 23 UL 103HT Flue Material 430 Stainless Steel Casing Material Galvanized Clearance 1 1 2" Minimum clearance to combustibles for 6" 8" Inner Diameter 7" Width 13 Infratech’s Solid State Controls are engineered for your individual project and are suitable for commercial or residential installations of any size The Solid State Relay Panel and Zone Analog Controller (with or without an optional timer) work together and are project specific