
5
IX405 Operation & Service Manual
P/N 974-1184 Rev: 1.50
Installation
The Sure Flame Model IX405 is an indirect-fired gas heater intended to be used primarily
for the temporary heating of buildings under construction, alteration or repair. Since the
products of combustion are released, it is imperative that the flue stack is extended outside
of the enclosed area when the heater is positioned indoors. The flow of supply air and
exhaust gasses must not be obstructed in any manner.
Installation must comply with local codes, or in the absence of local codes, with the
National Fuel Gas Code ANSI Z223.1/NFPA 54 and the Standard for the Storage and
Handling of Liquified Petroleum Gasses ANSI/NFPA 58. Authorities having jurisdiction
should be consulted before installations are made.
The heater shall be used in a horizontal position on a firm, non-combustible surface.
The electrical grounding of the appliance shall be in compliance with the National Electrical
Code ANSI/NFPA 70.
Warning
: The installation and maintenance of the heater must be accomplished by a
qualified service person. The heater should be inspected before each use and at least
annually.
Warning
: Do not use this heater in a space where gasoline of other liquids with flammable
vapours are stored or used.
Clearances
Clearance required for combustibles:
Outlet:
10 ft (3 m)
Sides:
2 ft
(0.6 m)
Top:
3 ft
(0.9 m)
Flue:
18” (45 cm)
Floor:
Noncombustible
Minimum clearance required to LP Gas containers:
Outlet:
20 ft (6.0 m)
Top & Sides: 10 ft (3.0 m)
Position heater properly on a horizontal surface before use.
The hose assembly shall be protected from traffic, building materials and contact with hot sur-
faces both during use and while in storage. For use with or without ductwork. Only ductwork
supplied by the manufacturer shall be used with this heater. For either indoor or outdoor use.
Adequate ventilation must be provided. This heater is for operation at a temperature rise from
80°C to 140°C (145°F to 250°F).