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RHFE-750ETRA
Type of Appliance
Rinnai Model Number
AFUE (at minimum vent length)
AFUE (extended vent of 33 ft [2.2 m] and
no elbows)
Gas Rate Input (BTU/hour)
Gas Rate Output (BTU/hour)
Minimum Gas Supply Pressure
Maximum Gas Supply Pressure
Electrical Connection
Gas Connection
Burners
Ignition System
Exhaust System
Temperature Settings
Temperature Control
Warm Air Outlet
Warranty
Vented gas fireplace heater; Inbuilt only; for residential installation,
commercial setting, or manufactured home; not designed for
installation in a solid-fuel burning fireplace
RHFE-750ETRA-N (Natural gas)
RHFE-750ETRA-P (Propane)
77% 84%
80% 85%
Low - 11,000 High - 29,000 Low - 11,000 High - 28,000
Low - 8,635 High - 21,900 Low - 8,855 High - 21,840
4.3 inch (109 mm) W.C. 9.8 inch (249 mm) W.C.
10.5 inch (267 mm) W.C. 13 inch (330 mm) W.C.
AC 120V, 60 Hz
Flex line: 3/8 inch flare nut; ball valve: 1/2 inch female x 3/8 inch flare
Flame burners
Electronic spark ignition
Forced combustion, forced convection
Low (L): minimum combustion; High (H): maximum combustion;
60° - 80° F in 2° increments (16° - 26° C in 1° increments)
Electronic thermistor
Bottom front louvers
All parts: 2 years from date of purchase
DIMENSIONS - inches (mm)
33 3/16 (842)
FLUE CONNECTION
15 3/4 (400)
GAS CONNECT ION
2 1/4 (57)
14 7/8 (378)
4 15/16 (126)
21 5/16 - 23 5/16 (542 - 592)
2 15/16 (71)
33 3/16 (842)
35 7/16 (900)
B
23 5/8 (600)
10 13/16 (274)
B
27 9/16 (700)
WEIGHT: 154.3 lbs (70 kg)
14 1/2 (369)
26 3/4 (679)
3 5/16 (84)
17 13/16 (453)
25 13/16 (655)
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.
© 2009 Rinnai Corporation
750ETRA SP 7/2009
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RHFE-750ETRA
LOCATION
Minimum Enclosure Dimensions
Width (w) 33.8 in (860 mm)
Height (h) 26.0 - 26.2 in (660-665 mm)
Depth (d) 15.0 - 16.9 in (380-430 mm)
Minimum Enclosure Dimensions in
a Corner
x 63.8 in (1620 mm)
y 45.1 in (1146 mm)
z 31.9 in (810 mm)
w
h
d
Clearances for a mantle or
decorative overhang
5”
4”
45
3” Minimum
3”
2”
Interior
wall
1”
x
y
z
Side view
FASCIAS
Flat Metal - Black Front R2700
Flat Metal - Stainless Steel Front R2701
Radius Glass - Silver Front R2702
Radius Glass - Black Front R2703
VENTING WITH NO EXTENSIONS
Name Kit No. fits walls
Vent Kit A FOT-203
Vent Kit B FOT-204
Wall penetration hole: 3 1/2 in (90 mm)
The FOT-203 Vent Kit is included with the appliance.
4 1/3 - 9 1/2 inch
(110 - 240 mm)
9 1/2 - 15 3/4 inch
(240 - 400 mm)
Available Fascias (Front Panels)
Description Part Number
FOT-203 /
FOT-204
Flue extensions are not authorized to be used with
the FOT-203 and FOT-204 manifolds.
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
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RHFE-750ETRA
VENTING WITH EXTENSIONS
Certified and Listed Vent Products
Manufacturer: Metal-Fab
Product: Corr/Guard
Part
Number
3CGRFA Adapter Kit (available from
3CGDS Condensate Collector
3CGRVT Vertical Termination
3CGRHT Horizontal Termination
3CG6 6” Vent Pipe Extension
3CG12 12” Vent Pipe Extension
3CG18 18” Vent Pipe Extension
3CG24 24” Vent Pipe Extension
3CG36 36” Vent Pipe Extension
3CGRHA 90 Degree Vent Pipe
Description
Rinnai
Elbow
Maximum Length = 33 feet (10 m) and 3 elbows
VERTICAL
TERMINATION,
3CGRVT
HORIZONTAL
TERMINATION,
VENT PIPE
EXTENSION
CONDENSATE
COLLECTOR,
3CGDS
Maximum Length
draining back to
appliance without a
Condensate Collector =
8.2 feet (2.5 m)
3CGRHT
90 DEGREE VENT PIPE
ELBOW, 3CGRHA
Sloped toward
appliance to prevent
condensate collecting
NOTICE
Installations depicted are examples of
configurations only and exclude
brackets, flashing, trim, and other
accessories required for a complete
installation.
Follow the guidelines in the Rinnai
RHFE-750ETRA manual and follow the
Metal-Fab installation instructions for
installing the venting.
Refer to the Metal-Fab direct vent
system components catalogue to
determine the parts required for you
particular vent application.
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
ADAPTER,3CGRFA
(available from
Rinnai)
in the elbow.
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