74 TANKLESS SERIES

Specifications

 

DESCRIPTION

 

 

FEATURES

ROUGHING IN DIMENSIONS (SHOWN IN INCHES)

 

ENERGY INFO.

 

GAS

 

 

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 3 BATHROOM HOMES

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

Direct Vent

140° F

2-PIPE

 

 

 

 

 

 

 

 

 

 

 

 

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.

•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.

Installation Vent Kits available separately: 4" diameter for RTG-74PV models.

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 for RTG-74 models. (Consult your gas supplier)

 

 

 

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.

Water Heater Flow Rate Curves

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

74 Max Flow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPM

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

15

20

25

30

35

40

45

50

55

60

70

80

90

100

 

 

 

 

 

 

 

 

Delta-T

 

 

 

 

 

 

 

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 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.

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. 101-50-74

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Rheem RTG-74DV, RTG-74X, RTG-74PV, 900 BTU, 199, 000 warranty Tankless Series, Specifications
Page 1

000, 19, 900 BTU, RTG-74PV, RTG-74DV specifications

The Rheem 900 BTU, model RTG-74X, is a high-efficiency tankless water heater designed to meet the hot water demands of residential and commercial applications. With a substantial heating capacity of 199,000 BTU, this unit offers reliable and continuous hot water whenever it’s needed, making it an ideal choice for households with multiple bathrooms or high hot water usage.

One of the main features of the Rheem RTG-74X is its compact design, which allows for easy installation in various settings, including small spaces where traditional tank water heaters may not fit. Additionally, its sleek and modern appearance means it can blend seamlessly with your home’s decor.

The unit employs advanced technology to optimize energy efficiency. With its electronic ignition system, the RTG-74X only heats water when it is in use, eliminating the energy loss associated with keeping a tank full of hot water. This capability significantly reduces monthly energy bills, making it an environmentally friendly choice.

Another critical characteristic of the Rheem RTG-74X is its durable construction. The unit features a heat exchanger made of copper, contributing to its longevity and overall performance. The stainless steel exterior not only enhances its aesthetic appeal but also protects against rust and corrosion, ensuring that the water heater can withstand the test of time.

The Rheem RTG-74X also comes equipped with user-friendly controls that allow homeowners to easily adjust the temperature settings to their preference. Moreover, safety features such as a built-in freeze protection system and a safety shut-off valve help to prevent accidents, providing peace of mind.

For installation flexibility, the unit can be mounted indoors or outdoors, depending on your specific needs and preferences. It is compatible with various venting options, allowing for more versatility in positioning the unit.

In conclusion, the Rheem 900 BTU, RTG-74X model is an excellent solution for anyone seeking a reliable, efficient, and compact tankless water heater. Its high BTU output ensures a steady flow of hot water, while advanced features and durable construction provide long-lasting performance and peace of mind. Whether for a busy household or a commercial application, this unit is designed to handle extensive hot water demands efficiently.
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