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Hot water ready
Hot water use
Morning Showers Laundry Dishes Baths
Day 1
Days 2-7
5
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Optimized Concentric Venting for
Non-Condensing Models
Rinnai Tankless Water Heaters were the first to use a unique concentric
venting system – featuring an inner pipe for exhaust and an outer pipe for
fresh air from outdoors. The result is a direct-vent, sealed combustion system
that requires only one penetration through the wall or roof.
New for 2022. Telescoping vent elbow ensures safer, easier installation and
fits dierent wall depths.
RE•SERIES TANKLESS WATER HEATERS
RE•Series
How We Improved on a Legend
Venting available in vertical and horizontal configurations. Concentric structure allows hot
exhaust to exit through interior pipe, while fresh air enters through the outer layer.
3 in. / 5 in.
horizontal wall
termination
configuration
3 in. / 5 in.
vertical roof
termination
configuration
CROSSOVER
VALVE
Regardless of
the plumbing
configuration,
Rinnai can now
provide faster hot
water with select
non-condensing
tankless models
featuring a
built-in pump
with recirculation
technology.
RE199 /
REP199
RE180
RE160 /
REP160
RE140
Max. BTUH 199,000 180,000 160,000 140,000
Recovery
Eciency*
83% 83% 83% 83%
Temperature
Rise (°F)
GPM GPM GPM GPM
140 2.4 2.1 1.9 1.7
135 2.4 2.2 2.0 1.7
130 2.5 2.3 2.0 1.8
125 2.6 2.4 2.1 1.9
120 2.8 2.5 2.2 1.9
115 2.9 2.6 2.3 2.0
110 3.0 2.7 2.4 2 .1
105 3 .1 2.8 2.5 2.2
100 3.3 3.0 2.7 2.3
95 3.5 3 .1 2.8 2.4
90 3.7 3.3 3.0 2.6
85 3.9 3.5 3.1 2.7
80 4 .1 3.7 3.3 2.9
75 4.4 4.0 3.5 3.1
70 4.7 4.3 3.8 3.3
67 4.9 4.5 4.0 3.5
65 5.1 4.6 4 .1 3.6
60 5.5 5.0 4.4 3.9
55 6.0 5.4 4.8 4.2
50 6.6 6.0 5.3 4.6
45 7.3 6.6 5.9 5.2
40 8.3 7.5 6.6 5.3
35 9.4 8.5 7.4 5.3
30 9.7 8.5 7.4 5.3
25 9.7 8.5 7.4 5.3
20 9.7 8.5 7.4 5.3
15 9.7 8.5 7.4 5.3
10 9.7 8.5 7.4 5.3
*Recovery Eciency ratings per AHRI Directory.
0 25 50 75 100 125 150
2
4
6
8
10
REP199
REP160
∆ TEMPERATURE RISE (F°)
WATER FLOW (GPM)
0 25 50 75 100 125 150
2
4
6
8
10
RE199
RE180
RE160
RE140
∆ TEMPERATURE RISE (F°)
WATER FLOW (GPM)
NON-CONDENSING PUMP MODELS
NON-CONDENSING MODELS
FLOW RATE VS. DELTA Δ TABLE (INDOOR MODELS)
Smart-Circ
™
Intelligent Recirculation
Extraordinary Convenience. Unbeatable Eciency.
What about usage changes?
Smart-Circ™ does
not distinguish
between weekday
and weekend
patterns.
Unusual activity – like
when users have guests
– will set a usage pattern
continuing 7 days after
usage returns to normal.
With Smart-Circ™ installation just got easier. External controllers are no longer
needed to ensure your customers have hot water when they need it. Smart-Circ™
“learns” users’ hot water patterns over a seven-day period, then schedules pump and
tankless recirculation patterns accordingly. Users enjoy instant hot water
during regular demand periods, while saving energy and money.
You’re all set!
Hot water will be ready for
you based on the previous
day’s schedule. As hot
water events are added
throughout the week,
scheduled recirculation
adjusts accordingly.
To achieve scheduled
recirculation or on-demand
operation, control•r™
Wi-Fi module is required (sold
separately). control•r Wi-Fi
module overrides Smart-Circ™
recirculation patterns.