Specification Sheet
13
Air & Water
Tankless Water Heater-Mid Efficiency Tankless Series
RHWB Series
Rheem
Prestige
™
RTGH-95 Specifications for 3 Bathroom Homes
Rheem
Prestige
™
RTGH-84 Specifications for 2-3 Bathroom Homes
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.
†
All models listed here meet or exceed SCQAMD 1146.2.
• 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 157,000 Btu/h
for RTGH-84 models. (Consult your gas supplier)
RTGH-84DVLN
11,000-
Indoor
85° to
0.26/0.40 3.9 6.6 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 82 .94 94% $194/326
157,000
Direct Vent
140° F
RTGH-84XLN
11,000-
Outdoor
85° to
0.26/0.40 3.9 6.6 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4
N/A
82 .92 94% $194/326
157,000 140° 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
2" or 3"
PVC
2-Pipe
Temperature Rise (° F)
Model Number 35° 45° 50° 60° 70° 77° 80° 90° 100°
RTGH-95 Water Flow (GPM)
9.5 8.4 7.6 6.3 5.4 4.9 4.7 4.2 3.8
RTGH-84 Water Flow (GPM)
8.4 6.6 6.0 5.0 4.3 3.9 3.7 3.3 3.0
Above estimates are for sizing purposes only.
Indoor Direct Vent
27
1
/2”
18
1
/2”
9
3
/4”
5
1
/2”6
1
/4”
2
1
/2”
3
1
/4”
4
1
/4”
7
1
/2”
6
3
/4”
3
1
/2”
2
3
/4”
2
3
/4”
Outdoor
18
1
/2”
9
3
/4”
27
1
/2”
2
1
/2”2
3
/4”
3
1
/4”
4
1
/4”
7
1
/2”
6
3
/4”
3
1
/2”
2
3
/4”
Parts and Accessories
Venting & terminations – 2" or 3" PVC, 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.
0
1
2
3
4
5
6
7
8
9
10
10 20 35 45 50 60 70 77 80 90 100 120 140
H95 Max Flow
H84 Max Flow
Water Heater Flow Rate Curves
Delta -T
GPM
Number of 90° Elbows Maximum Length Maximum Length
of 2" Straight Pipe of 3" Straight Pipe
0 or 1 5.0 ft. (1.5 m) 38.0 ft. (11.6 m)
2 3.5 ft. (1.0 m) 36.5 ft. (11.1 m)
3 2.0 ft. (0.6 m) 35.0 ft. (10.6 m)
4 Not Available 33.5 ft. (10.2 m)
5 Not Available 32.0 ft. (9.8 m)
6 Not Available 30.5 ft. (9.3 m)
Maximum Vent Length (intake/outlet):
(ULCs636 pipe must be used for Canada.)