Rinnai REU-KA2530FFUD-US Specifications page 2

Controller
Controller Cable
Safety Devices
Clearances from Combustibles
* 24 inches required for serviceability
Clearances from Non-combustibles
* 24 inches required for serviceability
Min. / Max. Gas Supply Pressure
Manifold Gas Pressure (inches W.C.)
NOx
Warranty
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior
notice. Local, state, provincial and federal codes must be adhered to prior to installation.
DIMENSIONS
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
MC-91-1US (included)
Deluxe controller: MC-100V-1US (optional)
Bathroom controller: BC-100V-1US (optional)
MCC-91-1US (for commercial applications)
Non-polarized two-core cable, minimum 22 AWG
• Flame failure - Flame Rod
• Boiling protection
• Combustion fan rpm check
• Over current - glass fuse (3 amp)
• Top of heater - 6 inches
• Front of heater - 6 inches *
• Sides of heater - 2 inches
• Top of heater - 2 inches
• Front of heater - 6 inches *
• Sides of heater - 1/2 inches
Natural Gas:
Propane Gas: min 8" W.C.
Natural Gas:
Propane Gas: high fire 3.7" W.C. low fire 1.06" W.C.
Meets California and Texas NOx Emission Rules
Heat exchanger: 12 years* for residential and 5 years* for commercial and
hydronic applications; (10 years* if used with the Rinnai Hydronic Air
Handler); all other parts 5 years*; labor 1 year; (* 3 years if used as a
circulating water heater within a circulation loop, when the water heater is
in series with a circulation system, all circulating water flows through the
water heater and without an on-demand recirculation system). Refer to
the manual for complete warranty information.
WEIGHT: 63.9 lb (29 kg)
L E
* This is the minimum
dimension from the wall.
The wall bracket is
adjustable to allow an
additional 1.57 inches (40
mm).
RC80HPi (KA2530FFUD)
min 5" W.C.
high fire 2.9" W.C. low fire 0.70" W.C.
DIM
A
B
C
D
E
F
G
G I
H
F J
H
M
I
J
K
L
M
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• From vent pipe - 0 inches
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• From vent pipe - 0 inches
max 10.5" W.C.
max 13.5" W.C.
DESCRIPTION
Width
Depth
Height - Unit
Height - with brackets
Hot Water Outlet - from wall
Hot Water Outlet - from center
Cold Water Inlet - from wall
Cold Water Inlet - from center
Gas Connection - from wall
Gas Connection - from center
From base to gas connection
From base to cold connection
From base to hot connection
Condensate Dain - from wall
Condensate Drain - from center
in (mm)
18.5 (470)
10.5 (266.9) *
26.4 (670)
28.5 (723.2)
4.3 (110) *
3.9 (100)
2.9 (74.6) *
1.1 (27.7)
3.9 (99) *
4.1 (103.2)
1.6 (40.2)
2.0 (50.2)
1.6 (41.2)
5.2 (132.6) *
7.7 (195)