66 TANKLESS SERIES
Specifications
| DESCRIPTION |
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| FEATURES | ROUGHING IN DIMENSIONS (SHOWN IN INCHES) |
| ENERGY INFO. | |||
| GAS |
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| WATER FLOW RATE | CONNECTION |
| VENT | SHIP. |
| D.O.E. ANN. |
MODEL | INPUT |
| TEMP. | GPM @ 77° GPM @ 45° GPM @ 35° |
| 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 |
RHEEM TANKLESS WATER HEATERS FOR
11,000-
180,000
Indoor
Direct Vent
85° to 140° F
4.0
6.6
8.4
3/4
3/4
3 by 5
CONCENTRIC
54
.82
$223/$374
All models are available in Natural Gas and Propane (LP).
For Propane replace the N with P when ordering.
•Factory set maximum temperature is 120° F.See Use and Care Manual for setting.
•Consult factory for information on sizing the application.
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 180,000 BTU for
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| Temperature Rise (°F) |
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Model Number | 35° | 45° | 50° | 60° | 70° | 77° | 80° | 90° | 100° |
| 8.4 | 6.6 | 5.9 | 4.9 | 4.2 | 4.0 | 3.6 | 3.3 | 2.9 |
Above estimates are for sizing purposes only.
Water Heater Flow Rate Curves
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| Max Flow |
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GPM | 5 |
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| 1 |
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| 0 |
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| 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 70 | 80 | 90 | 100 | 120 | 140 |
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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.
Rheem Heating, Cooling & Water Heating
101 Bell Road • Montgomery, AL
Rheem Canada Ltd./Ltée • Water Heater Division
128 Barton Street West, Hamilton, Ontario L8N 3P3
Rheem manufactures residential & commercial heating, cooling & water heating products.
Energy Factor and Average Annual Operating Costs based on D.O.E. (Department of Energy) test procedures. D.O.E. national averagefuel rate natural gas $1.218/therm; LP $1.87/gallon.
®
Printed in U.S.A. | 07/08 WP | Form No. |
