Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. CAUTION!!! Units are designed for outdoor installation only. DO NOT locate units indoors. Indirect Fired Gas Unit Installations Units are listed for installation in the United States and Canada • Installation of gas fired duct furnaces must conform with local building codes. In the absence of local codes, installation must conform to the National Fuel Gas code, ANSI Z223.1 or i

Heating capacities range from 100,000 to 1,200,000 BTU/Hr and air flow volumes are available up to 15,000 cfm. A modular design concept enables the flexibility to customize each product for its application. Modules are then factory assembled and wired to minimize field installation labor. The result is a semi-custom product at an attractive cost. Indirect Gas-Fired Furnaces The Greenheck furnace is designed for top-notch performance and long life, combining quality components with expert craftsm