Rinnai 29
Ducted Gas Heater IM
300mm
• From a flue terminal, cowl or combustion air intake.
• Below eaves, balconies or other projections.
• From the ground, above a balcony or other surface.
• To a return wall or external corner.
• Measured horizontally, from an opening window, door, non-mechanical air inlet or any other opening into the
building (except sub floor ventilation) or 1500mm in direction of discharge.
500mm
• From an electricity meter or fuse box (prohibited area extends to ground level).
1000mm
• Measured vertically, from an opening window, door, non-mechanical air inlet or any other opening into the
building (except sub floor ventilation).
• From a gas meter.
• From a mechanical air inlet, including a spa blower, measured both vertically and horizontally.
• A flue terminal of this type shall not be located under a roofed area, unless the roofed area is fully open on at
least two sides, and a free flow of air at the appliance is achieved.
7.3 EXTERNAL – BX5 FLUE TERMINAL CLEARANCES
The flue terminal is supplied and fitted to the heater. The flue terminal must be orientated correctly to ensure flue
gases are expelled away from the house (refer to Diagram 19).
Heaters should be positioned to ensure the following minimum clearances exist when measured from the edges of
the flue:
75mm – Wall
• From the wall against which the heater is mounted.
• From a drain pipe or soil pipe.
300mm – Flue, Cowl or Intake
• From a flue terminal, cowl or combustion air intake.
• Below eaves, balconies or other projections.
• From the ground, above a balcony or other surface.
• To a return wall or external corner.
• Measured horizontally, from an openable window, door, non-mechanical air inlet or any other opening into a
building with the exception sub-floor ventilation.
500mm – Meter or Fuse Box
• From an electricity meter or fuse box (prohibited area extends to ground level).
• Horizontally from any building structure
1000mm – Vent or Opening
• From an openable window, door, non-mechanical air inlet or any other opening into a building with the exception
of sub-floor ventilation; measured vertically.
• From a gas meter.
• From a mechanical air inlet, including a spa blower, measured both vertically and horizontally.
• A flue terminal of this type shall not be located under a roofed area, unless the roofed area is fully open on at
least two sides, and a free flow of air at the appliance is achieved.
