Specification Sheet

RL75i (VB2528FFUD-US)
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: [phone] • www.rinnai.us
Water Temperature Control
Controller
Controller Cable
Safety Devices
Clearances from Combustibles
(suitable for closet, attic, and
crawl space installations)
Clearances from Non-combustibles
Min. / Max. Gas Supply Pressure
(sea level)
Manifold Gas Pressure (inches W.C.)
NOx
Warranty
Simulation feed forward and feedback
MC-91-1US (part of the front panel)
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
• 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 inch
Natural Gas: min 5” W.C. max 10.5” W.C.
Propane Gas: min 8” W.C. max 13.5” W.C.
Natural Gas: high fire 2.9” W.C. low fire 0.55” W.C.
Propane Gas: high fire 4.5” W.C. low fire 0.96” 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 Furnace); 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 and all
circulating water flows through the water heater)
DIMENSIONS
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.
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Ground / bottom - 12 inches
• From vent pipe - 0 inches
• Back of heater - 0 inches
• Ground / bottom - 12 inches
• From vent pipe - 0 inches
The wall bracket is adjustable to allow
an additional 1.57 inches (40 mm).
WEIGHT: 51 LBS (23 KG)
A
C D
E
H
J
F
G
I
DIM DESCRIPTION in (mm)
A Width 14 (355.6)
B Depth * 9.6 (244.5)
C Height - Unit 22.9 (582)
D
Distance between mounting
holes
25.5 (648.2)
E Hot Water Outlet - from wall * 3.6 (91)
F Hot Water Outlet - from center 4.3 (110)
G Cold Water Inlet - from wall * 2.8 (70)
H Cold Water Inlet - from center 1.1 (27)
I Gas Connection - from wall * 3.9 (99)
J Gas Connection - from center 3.5 (89)
K
From base to gas connection 1.6 (40)
From base to cold connection 2.0 (50)
From base to hot connection 1.6 (41)
B
K