42 & 53 ANKLESS SERIES
Specificati ns
DESCRIPTIO FEATURES ROUGHI G I DIME SIO S (SHOW I I CHES) E ERGY I FO.
GAS WATER FLOW RATE VE T SHIP. D.O.E. A .
MODEL I PUT TEMP. GPM @ 77° GPM @ 45° GPM @ 35° CO ECTIO DIAMETER WEIGHT E ERGY OP. COST
UMBER BTU/HR. TYPE RA GE RISE MAX. RISE MAX. RISE MAX. WATER GAS HEIGHT WIDTH DEPTH (I CHES) (LBS.) FACTOR AT/LP
RTG2-42PVN† 21,500 - Indoor 100° to 2.5 4.2 5.5 3/4 3/4 20-1/2 13-3/4 6-1/4 3 35 .83 $220/$369
118,000 140° F
RTG-53PVN 21,500 - Indoor 100° to 3.1 5.3 6.8 3/4 3/4 20-1/2 13-3/4 6-1/4 3 36 .82 $223/$374
145,000 140° F
RTG-53XN 19,000 - utdoor 100° to 3.0 5.3 6.8 3/4 3/4 20-1/2 13-3/4 6-1/4 N/A 36 .82 $223/$374
141,000 140° F
RTG-53DVN 20,000 - Indoor 100° to 3.0 5.3 6.8 3/4 3/4 23 13-3/4 7-1/4 3 by 5 39 .82 $223/$374
141,000
Direct Vent
140° F
C NCENTRIC
RHEEM ANKLESS WA ER HEA ERS FOR 1-2 BA HROOM HOMES
All m dels are available in Natural Gas and Pr pane (LP).
F r Pr pane replace the N with P when rdering.
*135,000 for Propane model.
• Factory set maximum temperature is 120° 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.
Installati n Vent Kits available separately: 3" diameter for RTG2-42PV† and RTG-53PV models.
Vent Terminati n Kits are required f r Direct Vent m dels. C ntact y ur distribut r f r details.
Temperature Rise (°F)
Model umber 35°
45° 50° 60° 70° 77° 80° 90° 100°
RTG2-42† Water Flow (GPM) 5.5 4.2 3.8 3.2 2.7 2.5 2.4 2.1 1.9
RTG-53 Water Flow (GPM) 6.8 5.3 4.7 3.9 3.4 3.1 3.0 2.6 2.4
Above estimates are for sizing purposes only.
Proper gas pressure ust be ensured to supply tankless gas water heaters – up to 118,000 BTU for
RTG2-42† odels, and up to 145,000 BTU for RTG-53 odels. (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. 101-50-53CAN
Energy Factor and Average Annual perating Costs based on D. .E.
(Department of Energy) test procedures. D. .E. national average fuel rate
natural gas $1.218/therm; LP $1.87/gallon
.
These units are designed to meet or exceed ANSI (American National Standards Institute)
requirements and have been tested according to D. .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
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10 15 20 25 30 35 40 45 50 55 60 70 80 90 100
† Limited availability in Canada.
