Air Control Products Curtain Fire Dampers Curtain Fire Dampers | Ceiling Radiation Dampers | Smoke Dampers Combination Fire/Smoke Dampers | Control Dampers | Duct Access Doors Curtain Fire Dampers The function of a Fire Damper is to close automatically upon detection of heat, in order to protect the...

Electric Duct Heaters Model DHR Information Overview Nailor Electric Duct Heaters are self-contained heating units designed for installation in air handling systems. Some heaters are an integral part of other equipment, some have been approved for direct attachment to other equipment such as heat pu...

VAV Terminal Units Bypass Terminal Unit Single Duct | Dual Duct | Fan Powered | Retrofit | Bypass Bypass Terminal Units 3400 Series Mk ll New, Improved Design. Designed to provide variable air volume supply when used with constant volume fan low pressure packaged air handling systems or roof-top air...

Air Distribution Products Linear Diffusers and Bar Grilles Ceiling Diffusers | Linear Diffusers and Bar Grilles | Grilles and Registers Plenum Slot and Light Troffer | Fire Rated Diffusers Linear Diffusers and Bar Grilles Linear type diffusers and grilles have been developed to satisfy architectural...

Air Control Products Control Dampers Curtain Fire Dampers | Ceiling Radiation Dampers | Smoke Dampers Combination Fire/Smoke Dampers | Control Dampers | Duct Access Doors Control Dampers Nailor manufactures a comprehensive range of control dampers suitable for all commercial HVAC applications, from ...