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74 TANKLESS SERIES
RTG-74PVN-1
19,000 -
Indoor
100° to
4.3 7.4 8.5 3/4 3/4 25-3/8 14-7/8 11-1/8 4 55 .82 $223/$374
199,900 140° F
RTG-74XN-1
19,000 -
Outdoor
100° to
4.3 7.4 8.5 3/4 3/4 25-3/8 14-7/8 11-1/8 N/A 55 .82 $223/$374
199,900 140° F
RTG-74DVN-1
19,000 -
Indoor
100° to
4.3 7.4 8.5 3/4 3/4 25-3/8 14-7/8 11-1/8
4 by 4
55 .82 $223/$374
199,900
DirectVent
140° F
2-PIPE
R
HEEM TANKLESS WATER HEATERS FOR 3 BATHROOM HOMES
All models are available in Natural Gas and Propane (LP).
For Propane replace the N with P when ordering.
•
Factory set maximumtemperature is120° F.See Use and Care Manual for setting.
• For installations above 3,280 feet,a high altitude chip is required.Refer to Rheem price list or consult
factory for details.
• Consult factory for information on sizing the application.
InstallationVent Kitsavailable separately: 4" diameter for RTG-74PV models.
V
entTermination Kits are required for DirectVent models.Contact your distributor for details.
Temperature Rise (°F)
Model Number 35°
45° 50° 60° 70° 77° 80° 90° 100°
RTG-74 Water Flow (GPM) 8.5 7.4 6.6 5.5 4.7 4.3 4.1 3.7 3.3
Above estimates are for sizing purposes only.
Proper gaspressure must be ensured to supply tankless gaswater heaters –up to199,900 BTU for
RTG-74 models.(Consult your gas supplier)
Rheem Heating, Cooling & Water Heating
101 Bell Road • Montgomery, AL 36117-4305
1-866-720-2076 • www.rheemtankless.com
Rheem Canada Ltd./Ltée • Water Heater Division
128 Barton Street West, Hamilton, Ontario L8N 3P3
Rheem manufactures residential & commercial heating,
cooling & water heating products.
Printed in U.S.A. 07/08 WP Form No. 101-50-74
These units are designed to meet or exceed ANSI (American National Standards Institute)
requirements and have been tested according to D.O.E. test procedures and meet or
-exceed the energy efficiency requirements of NAECA, ASHRAE standard 90, ICC Code
and all state energy efficiency performance criteria for energy consuming appliances.
Before purchasing this appliance, read important energy cost and efficiency information
available from your supplier.
In keeping with its policy of continuous progress and product improvement,
Rheem reserves the right to make changes without notice.
Water Heater Flow Rate Curves
0
1
2
3
4
5
6
7
8
9
10 15 20 25 30 35 40 45 50 55 60 70 80 90 100
Delta-T
GPM
74 Max Flow
Specifications
D
ESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO.
GAS WATER FLOW RATE VENT SHIP. D.O.E. ANN.
M
ODEL INPUT TEMP.
G
PM @ 77° GPM @45° GPM @35°
C
ONNECTION DIAMETER WEIGHT ENERGY OP.COST
NUMBER BTU/HR. TYPE RANGE
RISE MAX. RISE MAX. RISE MAX. WATER GAS
HEIGHT WIDTH DEPTH (INCHES) (LBS.) FACTOR NAT/LP
E
nergy Factor andAverage Annual Operating Costs based on D.O.E.
(
Department ofEnergy)testprocedures.D.O.E.nationalaverage fuelrate
n
aturalgas $1.218/therm;LP $1.87/gallon
.
®