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Composite recess box installation guide:10847-D 04-18
About the composite recess box
Colour
Beige, can be painted to match the exterior
cladding.
Suitability
Outdoor installations only.
Suitable for the following external Rinnai
INFINITY water heaters:
• A-Series (A16-A26)
current range
• VT-Series (VT16-VT26) discontinued
• XR-Series (XR16-XR26) vintage
Designed for new builds or major renovations.
Installation needs to commence during the
framing stage, before internal lining, cladding,
or building wrap is applied.
Installation where the minimum framing depth
is 88 mm.
The composite recess box is NOT SUITABLE
for fire rated walls.
Kit components
• Recess box
• Flashing collar
*
• Recess cover with sticker inside
• Screw and grommet pack
• A-Series lower installation bracket
• Installation guide and warning label
*
Flashing collar is not required for brick installations
Clearance requirements
The location of the flue terminal must comply
with AS/NZS 5601.1 Fig 6.2. If you do not have
access to this document, we have produced
a simplified diagram highlighting the main
clearances on p. 11.
Position
Some considerations when installing a Rinnai
recess box with an external continuous flow
water heater.
• Operating noise
A Rinnai INFINITY gas water heater
operates at a slightly louder level than a
unit installed on an outside wall. Please
keep this in mind when positioning near
a bedroom as the operating noise could
affect some people.
• Hot water outlets
In most cases it’s better to site the recess
box closer to the kitchen where there is an
expectation for instant hot water.
• Obstructions
Ensure there is no plumbing, electrical
wires, timber, or other objects blocking
the box inside or outside the cavity.
• Accessibility
Make sure the unit is accessible for
maintenance and servicing.
Heat
DO NOT apply heat in the vicinity of the
composite recess box as this may distort and
damage the box.
The composite recess box enables an external Rinnai INFINITY continuous
flow water heater to be recessed
1
or semi-recessed
2
into an external wall,
behind a door and out of sight.
1
Cover will protrude approximately 120 mm from the wall
2
Cover/flashing collar will protrude approximately 240 mm from the wall
Protrusion from the finished wall will depend on the cavity depth and the cladding thickness.
