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Flue spigots and condensate
Flue spigots
The newer range of Rinnai
INFINITY® internal water
heaters all have the female flue
spigot attached to the top of
the unit.
The older units have a male
spigot attached, refer image.
If for some reason old flueing
has been installed, but a new
unit (refer REU numbers on p. 4)
has been purchased, OR an old
unit with older flueing needs to
be replaced with a newer Rinnai
INFINITY® internal water heater,
a retrofit male spigot will need
to be ordered.
Appliance spigot centres
The wall mounting brackets
on internal water heaters are
adjustable—refer image.
Condensate
The condensate trap collects
any condensate from the
flue system and prevents
condensate from entering
the water heater and causing
damage.
Condensate is a by-product of
gas combustion and is mildly
acidic. For this reason copper
tube and fittings MUST NOT be
used as it will corrode. Instead
Rinnai recommend plastic pipes
and fittings such as UPVC or PE.
Condensate XR/HD units
A condensate trap kit
(FFSSCOND) is required for flue
lengths over 1.5 m. If flueing is
less than 1.5 m, the spigot on
top of the unit is capped using
the drain tube cap supplied
with the unit. It is only to be
removed if the condensate kit is
connected.
Condensate: EFi250 units
The EFi250 model already has a
system to drain condensate, so
no additional components are
required.
6 | Continuous flow internal flueing guide: 11748-D 04-13
Further information on the
condensate drain are detailed
in the installation guide of the
Rinnai INFINITY® unit.
Female flue spigot - part 4913
Male flue spigot - part 4914
Flue spigot centreline
from edge of appliance
175 mm (HDi)
230 mm (EFi)
Only removed if a condensate kit trap is connected
Condensate EFi250 units
Appliance flue spigot
centreline from wall
95~135 mm (HDi)
155~195 mm (EFi)
Drain tube cap
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