| Chromalox Cold Weather Products | 1 |
| Table of Contents | 2 |
| Industrial Air & Radiant Heaters | 4 |
| Industrial Unit Heaters & Accessories | 4 |
| HVH - Horizontal or Vertial Discharge Fan Forced Unit Heater | 4 |
| LUH - Horizontal Blower Heater | 10 |
| UB - High Capacity Horizontal Blower Heater | 14 |
| DRA - Portable Spot Industrial Salamander Blower Heater | 19 |
| HF - Portable Blower Heater | 21 |
| HCH - Wall Mounted Convention Heater | 22 |
| EH & HVT - Industrial Convention Heater | 25 |
| H - Horizontal Convention Heater | 26 |
| V - Vertical Convention Heater | 27 |
| Hazardous Location and Corrosive Environment Heaters and Accessories | 28 |
| CXH-A - Explosion Proof Blower Heater for Hazardous Locations | 28 |
| CVEP - Explosion Proof Convection Heater | 35 |
| HD3D - Hose Down Corrosion Resistant Blower Heater | 38 |
| Duct Heaters | 41 |
| DH - UL Listed Open Coil & Fintubular Air Duct Heaters | 41 |
| Infrared Radiant Heaters | 44 |
| ChromaStar™ Infra-Red Radiant Heaters | 44 |
| ChromaStar™ Accessories | 48 |
| Flexible Heaters | 50 |
| Fiberglass Insulated Heaters | 50 |
| PHD &, PHDT - Heavy Duty Fiberglass® Woven Drum Heaters | 50 |
| IBG - Flexible Thermal Drum Insulation Blanket | 51 |
| Silicone Laminated Heaters | 52 |
| SL - Silicone Rubber Insulated Flexible Heater | 52 |
| SL-N - Silicone Rubber Insulated General Purpose Heater | 53 |
| SL-B - Silicone Rubber Insulated Enclosure & Air Heater | 54 |
| SLDH - Silicone Rubber Insulated Drum Heater | 55 |
| Controls | 57 |
| WR - Wall Mounted Room Thermostats | 57 |
| EPETD-8D - Explosion Proof Room Thermostat | 58 |
| WCRT - Corrosion Resistant Wall Mounted Industrial Room Thermostat | 59 |
| WT - Wall Mounted Residential & Commercial Room Thermostat | 60 |
| Heat Tracing Products | 61 |
| Applications | 61 |
| Industrial Grade Cables & Control Systems | 62 |
| Application & Selection Guidelines | 63 |
| SRL - Self-Regulating Low Temperature | 68 |
| SRP - Self-Regulating Process Temperatures | 71 |
| SRM/E - Self-Regulating Medium Temperature | 74 |
| HSRL - Self-Regulating Low Temperature | 77 |
| HSRM - Self-Regulating Medium Temperature | 80 |
| SLL - Series Long Line Cable | 83 |
| CWM - Constant Wattage Medium Temperature | 86 |
| MI - Mineral Insulated High Temperature | 89 |
| U Series Heat Trace Connection Kits/Accessories | 95 |
| DL - Integrated Connection Accessories | 104 |
| EL - Standard Connection Accessories | 108 |
| HL - Hazardous Location Connection Kits | 110 |
| DL - Integrated Temperature Controls | 114 |
| THR, THL, TXR & TXL - Heat Trace/Freeze Protection Thermostats | 117 |
| B100 & E100 - Heat Trace/Freeze Protection Thermostats | 119 |
| RBF - Heat Trace or Pipe Sensor | 121 |
| GIC-AMB - Ambient Heat Trace Sensor | 122 |
| RBF-HT - RTD Heat Trace Sensors | 123 |
| DTS Series - Heat Trace Digital Thermostat | 124 |
| IntelliTrace ITC1 & ITC2 - Digital Heat Trace Controller 1 & 2 Circuit | 126 |
| IntelliTrace Ambient Sensing ITAS Base Panel ITAS-EXT Extender Panel | 129 |
| IntelliTrace Line Sensing ITLS Base Panel ITLS-EXT Extender Panel | 129 |
| IntelliTrace Ambient Sensing ITASC1D2 Base Panel ITASC1D2-EXT Extender Panel | 135 |
| IntelliTrace Line Sensing ITLSC1D2 Base Panel ITLSC1D2-EXT Extender Panel | 135 |
| IntelliTrace - Wireless Temperature Sensing Solutions | 141 |
| IntelliTrace RSP - Remote Sensor Panel | 144 |
| WeatherTrace - Freeze Protection Heat Trace Panels | 147 |
| Technical Information | 158 |
| Heat Transfer Fundamentals & Thermodynamic Properties | 158 |
| Determining Heat Energy Requirements | 159 |
| General Industrial Sizing Guide | 161 |
| Typical Outside Design Temperatures for the United States | 162 |
| Radiant Infrared Heating - Comfort Heating | 167 |
| Watt Density for Typical Applications vs Temperature Rise | 168 |
| 90° Symmetrical Reflector Table for Single Element RBC-1 | 169 |
| 90° Symmetrical Reflectors for 2 & 3 Element High-Intensity Infrared Heaters | 170 |
| 60° Symmetrical Reflectors for 2 & 3 Element High-Intensity Infrared Heaters | 171 |
| 30° Symmetrical Reflectors for 2 & 3 Element High-Intensity Infrared Heaters | 172 |
| 60° Asymmetrical Reflectors for 2 & 3 Element High-Intensity Infrared Heaters | 173 |
| Determining Heat Energy Requirements | 174 |
| Properties of Steam | 176 |
| Electrical Fundamentals & Three Phase Calculations | 177 |
| Three Phase Equations & Heater Wiring Diagrams | 178 |
| Wiring Practices for Electric Heaters | 179 |
| Pressure-Temperature Ratings of Common Flange Materials | 181 |
| Physical & Thermodynamic Properties of Common Liquids | 182 |
| Physical & Thermodynamic Properties of Common Solids | 183 |
| Equivalents & Conversions | 185 |
| Engineering Constants & Conversions | 186 |
| NEMA Enclosures & Chromalox Equivalents | 187 |
| NEMA Enclosures & Hazardous Location Heaters | 188 |
| Hazardous Locations & Electric Heater Applications | 189 |
| General Information | 192 |
| Trademark Registration Acknowledgements | 192 |
| Index | 194 |