6ITEMS REQUIRED FOR INSTALLATIONITEMS REQUIRED FOR INSTALLATIONEnsure that the following items are available before proceeding with installation:• External regulator (for propane/LPG only) • Manual shutoff valve• Piping which complies with local codes • Sediment trap• Pipe sealant approved for use with • Pipe wrenchpropane/LPG (resistant to sulfur compounds)CODESAdhere to all local codes or in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSIZ223.1 or NFPA54 which can be obtained from:American National Standards Institute, Inc. National Fire Protection Association, Inc.1430 Broadway or Batterymarch ParkNew York, NY 10018 Quincy, MA 02269WARNINGADEQUATE COMBUSTION AND VENTILATION AIRThis heater shall not be installed in a confined space or unusually tight construction unless provisions areprovided for adequate combustion and ventilation air.Unusually tight construction is defined as construction where:(a) Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarderwith a rating of 1 perm (6 x 10½ kg per pa-sec-m ) or less with openings gasketed or sealed, and(b) Weather stripping has been added on openable windows and doors, and(c) Caulking or sealants are applied to areas such as joints around window and door frames,between soleplates and floors, between wall-ceiling joints, between wall panels, at penetrationsfor plumbing, electrical, and gas lines, and at other openings.The National Fuel Gas Code defines a confined space as a space whose volume is less than 50 cubicfeet per 1,000 BTU per hour (4.8m per kw) of the aggregate input rating of all appliances installed in thatspace and an unconfined space is defined as a space whose volume is not less than 50 cubic feet per1,000 BTU per hour (4.8m per kw) of the aggregate input rating of all appliances installed in that space.Rooms communicating directly with the space in which the appliances are installed, through openings notfurnished with doors, are considered a part of the unconfined space.Due to high temperatures, do not install the heater:• Where curtains, furniture, clothing or other flammable objects are less than 42"from the front of the heater.• In high traffic areas.• In windy or drafty areas.DO NOT PLACE CLOTHING OR OTHER FLAMMABLE MATERIAL ON OR NEAR THEAPPLIANCE.1133