Specification Sheet

Temperature Rise (° F)
Model Number 35° 45° 50° 60° 70° 77° 80° 90° 100°
RTG-95 Water Flow (GPM) 9.5 7.4 6.6 5.5 4.7 4.3 4.1 3.7 3.3
RTG-84 Water Flow (GPM) 8.4 6.7 6.1 5.1 4.3 3.9 3.8 3.4 3.0
RTG-64 Water Flow (GPM) 6.4 5.6 5.1 4.2 3.6 3.3 3.2 2.8 2.5
Above estimates are for sizing purposes only.
15
Air & Water
Tankless Water Heater-Condensing Tankless Series
RHWB Series
Specifications
RTG-95DVLN
11,000-
Indoor
85° to
4.3 7.4 9.5 3/4 3/4 25-5/8 13-7/8 9-7/8
3 by 5
54 .82 82%
$223/374
199,900
Direct Vent
140° F*
CONCENTRIC
RTG-95XLN
11,000-
Outdoor
85° to
4.3 7.4 9.5 3/4 3/4 23-5/8 13-7/8 8-7/8
N/A
54 .82 82%
$223/374
199,900 140° F*
RTG-84DVLN
11,000-
Indoor
85° to
3.9 6.7 8.4 3/4 3/4 25-5/8 13-7/8 9-7/8
3 by 5
54 .82 82% $223/374
180,000
Direct Vent 140° F CONCENTRIC
RTG-84XLN
11,000-
Outdoor
85° to
3.9 6.7 8.4 3/4 3/4 23-5/8 13-7/8 8-7/8 N/A 54 .82 82% $223/374
180,000 140° F
RTG-64DVLN
11,000 -
Indoor
85° to
3.3 5.6 6.4 3/4 3/4 25-5/8 13-7/8 9-7/8
3 by 5
54 .82
82%
$223/374
150,000
Direct Vent 140° F CONCENTRIC
RTG-64XLN
11,000 -
Outdoor
85° to
3.3
0.26/0.40
0.26/0.40
0.26/0.40
0.26/0.40
0.26/0.40
0.26/0.40 5.6 6.4 3/4 3/4 23-5/8 13-7/8 8-7/8 N/A 54 .82 82% $223/374
150,000 140° F
DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO.
GAS MIN. FLOW/ GPM @ GPM @ SHIP. % OF D.O.E. ANN.
MODEL INPUT TEMP. ACTIVATION 77° RISE 45° RISE MAX. CONNECTION VENT WEIGHT ENERGY THERM. OP. COST
NUMBER BTU/H TYPE RANGE GPM MAX. MAX. GPM
WATER GAS
HEIGHT WIDTH DEPTH DIAM. (LBS.) FACTOR EFFICIENCY NAT/LP
RTG-95 ULTRA LOW NOx SERIES FOR 3 BATHROOM HOMES
RTG-84 ULTRA LOW NOx SERIES FOR 2-3 BATHROOM HOMES
RTG-64 ULTRA LOW NOx SERIES FOR 1-2 BATHROOM HOMES
Indoor Direct Vent
Energy Factor and Average Annual Operating Costs based on D.O.E. (Department of Energy) test procedures. D.O.E. national average fuel
rate natural gas $1.218/therm; LP $1.87/gallon.
All models are available in Natural Gas and Propane (LP). For Propane replace the N with P when ordering.
• SCQAMD rule 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 RTG-95 models, up to 180,000 Btu/h for
RTG-84 models and up to 150,000 Btu/h for RTG-64 models. (Consult your gas supplier)
2
3
4
5
6
7
8
9
10
Water Heater Flow Rate Curves
GPM
95 Series Max. Flow
84 Series Max. Flow
64 Series Max. Flow
3”/5” Concentric
5
1
/2”
25
5
/8”
13
7
/8”9
7
/8”
1
1
/8”
4”
5”
3
3
/4”
4
5
/8”
5
1
/4”
Dimensions from
Center Line
Outdoor
1
1
/8”
5”
23
5
/8”
13
7
/8”8
7
/8”
2
1
/2”
3
3
/8”
5
1
/4”
Dimensions from
Center Line
2
3
/4”
Parts and Accessories
Venting & terminations, recess boxes, pipe covers, extra
remote controls, EZ-Link, manifolds and cables, service
valve kits, service parts, flush kits
For more information on Tankless parts and accessories, see
the Parts and Accessories catalog or call 866-720-2076.
Number of 90° Elbows Maximum Length of Straight Pipe
1 39.0 ft. (12.0 m)
2 37.5 ft. (11.5 m)
3 36 ft. (11 m)
4 34.5 ft. (10.5 m)
5 33.0 ft. (10.0 m)
6 31.5 ft. (9.5 m)
Maximum Vent Length (intake/outlet):
(Manufacturer approved venting required)