Specification Sheet EN

PRINTED IN U.S.A. 03/18 WP FORM NO. TK-806 Rev. 16
2
Rheem Water Heating • 1115 Northmeadow Parkway, Suite 100
Roswell, Georgia 30076 • www.rheem.com
Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1
Brampton, Ontario L6Y 0P5 • www.rheem.com
INTEGRATED HOME COMFOR
T
INTEGRATED HOME COMFORT
Water
INTEGRATED HOME COMFORT
Residential Gas
Prestige RTGH Tankless Water Heaters
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
Parts and Accessories
Venting & terminations – 2" or 3" PVC, recess boxes, pipe covers, extra r emote controls, EZ-Link
cable, manifolds and
cables,
service valve kits, service parts, flush kits, recirculation pump kits and AllClear
water treatment system. For more information on
Tankless parts and accessories, see the Parts and Accessories Catalog or call 866-720-2076.
* Based on simultaneous showers using 2.5 GPM flow rate pre-mixed with cold water line. Flow rates vary depending on
temperature of incoming cold water and water heater set temperature. Refer to flow rate curves for accurate sizing.
Uniform Energy Factor and Energy Factor based on Department of Energy (D.O.E.) requirements.
All models are available in Natural Gas and Propane (LP). For Propane replace the N with P when ordering.
SCAQMD 1146.2 compliant.
Factory set maximum temperature is 120° F. See Use and Care Manual for setting.
Consult factory for information on sizing the application.
Add a “C” to the model number when ordering Canadian models. Outdoor models are only for seasonal use in
Canada. Please contact Rheem Canada Ltd. for details.
Vent Termination Kits are required for Direct Vent models. Contact your distributor for details.
Proper gas pressure must be ensured to supply tankless gas water heaters – up to 199,900 BTU/h for RTGH-95
models, up to 180,000 BTU/h for RTGH-90 models, up to 157,000 BTU/h for RTGH-84 models, up to 120,000 BTU/h
for RTGH-68 models. (Consult your gas supplier)
Temperature Rise (° F)
Model Number 35° 45° 50° 60° 67° 70° 80° 90° 100°
RTGH-95 Water Flow (GPM)
9.5 8.5 7.7 6.4 5.7 5.5 4.8 4.3 3.8
RTGH-90 Water Flow (GPM)
9.0 7.7 6.9 5.8 5.2 4.9 4.3 3.8 3.5
RTGH-84 Water Flow (GPM)
8.4 6.7 6.0 5.0 4.6 4.3 3.8 3.3 3.0
RTGH-68 Water Flow (GPM)
6.6 5.1 4.6 3.8 3.4 3.3 2.9 2.6 2.3
Above estimates are for sizing purposes only.
Rheem Prestige
®
Specifications
DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO.
MODEL
NUMBER
GAS
INPUT
BTU/H TYPE
NUMBER
OF
BATHROOMS*
TEMP.
RANGE
MIN. FLOW/
ACTIVATION
GPM
GPM
@ 67°
RISE
MAX.
GPM
@45°
RISE
MAX.
MAX.
GPM
CONNECTION
HEIGHT WIDTH DEPTH
VENT
DIAM.
SHIP
WEIGHT
(LBS.)
UNIFORM
ENERGY
FACTOR
(UEF)
WATER GAS
RTGH-95DVLN-2
11,000-
199,900
Indoor
Direct Vent
4
85° to
140° F
0.26/0.40 5.7 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
RTGH-95DVELN-2
(EcoNet
®
Included)
11,000-
199,900
Indoor
Direct Vent
4
85° to
140° F
0.26/0.40 5.7 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
RTGH-95XLN-2
11,000-
199,900
Outdoor 4
85° to
140° F
0.26/0.40 5.6 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93
RTGH-95XELN-2
(EcoNet
®
Included)
11,000-
199,900
Outdoor 4
85° to
140° F
0.26/0.40 5.6 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93
RTGH-90DVLN-2
11,000-
180,000
Indoor
Direct Vent
3 - 4
85° to
140° F
0.26/0.40 5.2 7.7 9.0 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
RTGH-90XLN-2
11,000-
180,000
Outdoor 3 - 4
85° to
140° F
0.26/0.40 5.2 7.7 9.0 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93
RTGH-84DVLN-2
11,000-
157,000
Indoor
Direct Vent
3
85° to
140° F
0.26/0.40 4.6 6.7 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
RTGH-84XLN-2
11,000-
157,000
Outdoor 3
85° to
140° F
0.26/0.40 4.5 6.7 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93
RTGH-68DVLN-2
11,000-
120,000
Indoor
Direct Vent
2.5
85° to
140° F
0.26/0.40 3.4 5.1 6.6 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82
TBD
RTGH-68XLN-2
11,000-
120,000
Outdoor 2.5
85° to
140° F
0.26/0.40 3.4 5.1 6.6 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82
TBD
10
9
8
7
6
5
4
3
2
1
0
Water Heater Flow Rate Curves
Delta T(F)
Flow Rate (GPM)
0 10 20 30 40 50 60 70 80 90 100
RTGH-95 Max Flow
RTGH-90 Max Flow
RTGH-84 Max Flow
RTGH-68 Max Flow
(ULC-S636 pipe must be used for Canada.)
Maximum Vent Length (intake/outlet):
NUMBER
OF 90°
ELBOWS
MAXIMUM
LENGTH
OF 2"
STRAIGHT
PIPE
MAXIMUM
LENGTH
OF 3"
STRAIGHT
PIPE
0 or 1
60 ft. 150 ft.
2
58.5 ft 148.5 ft
3 57 ft. 147 ft.
4 55.5 ft 145.5 ft
5 54 ft 144 ft
6
52.5 ft 142.5
Indoor Direct Vent
Outdoor
29
1
/4"
(743 mm)
27
5
/8"
(702 mm)
3
3
/8"
(86 mm)
5
1
/2"
(140 mm)
6
1
/4"
(159 mm)
17
7
/8"
(454 mm)
18
5
/8"
(473 mm)
9
3
/4"
(248 mm)
2
1
/4"
(59 mm)
5
1
/2"
(140 mm)
6
1
/8"
(156 mm)
2
1
/8"
(54 mm)
3
7
/8"
(98 mm)
2
7
/8"
(73 mm)
4
1
/8"
(105 mm)
9
1
/2"
(241 mm)
1
1
/2"
(38 mm)
17
7
/
8
"
(454 mm)
18
5
/8"
(473 mm)
27
5
/8"
(702 mm)
9
3
/4"
(248 mm)
2
1
/4"
(59 mm)
5
1
/2"
(140 mm)
6
1
/8"
(156 mm)
2
1
/8"
(54 mm)
3
7
/8"
(98 mm)2
7
/8"
(73 mm)
4
1
/8"
(105 mm)
9
1
/2"
(241 mm)
1
1
/2"
(38 mm)