Rheem RTG2-42PV warranty Exclusive! Guardian OFW overheat film wrap, Indoor, 20-1/2, $165 Nat

Rheem Tankless Indoor Gas Water Heaters

Available in 4.2, 5.3 and 7.4 GPM Indoor Models

10-Year Limited Warranty on Heat Exchanger*

3-Year Limited Warranty on Parts*

•New! UMC-117 remote control is included and can be set from the out-of-the-box 120 degrees – up to a 140 degree maximum (additional remote control thermostats are available

–sold separately)

•New! EZ-Link™cable connects two tankless units to operate as one – now available for high demand applications

•Exclusive! Guardian SBT™ sensing burner technology

•Exclusive! Guardian OFW™ overheat film wrap

•Exclusive! Two high-altitude options – up to 6,560 or 9,840 ft. elevations above sea level (altitude chip required

–sold separately)

•Exclusive! All Rheem tankless models are third-party certified by GAMA

•Exclusive! All Rheem tankless models qualify for up to a $300 federal energy tax credit (refer to your tax advisor for details)

•Exclusive! All Rheem models can be linked in up to 20 unit manifold installations by using the optional MIC-180 and MICS-180 manifold control assembly

•Continuous hot water

•Energy saving design

•Compact, space saving design

•Intelligent electronic controls designed to increase energy efficiency and safety

•Self diagnostic program

•Digital display shows temperature setting and maintenance codes

•Built-in electric blower

•Uses Category III stainless steel vents and vent horizontally or vertically

•Supplied with a 120 volt power cord

•Environmentally friendly Low NOx burner meets SCAQMD rule 1146 requirements

*See Residential Warranty Information Brochure for complete warranty information. If the water heater is installed anywhere other than a single family dwelling, such as a commercial application, or in any system in which the water is recirculated, the applicable warranty periods will be limited to one (1) year.

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 91¢/therm;
LP $1.23/gallon.

DESCRIPTION

FEATURES

ROUGHING IN DIMENSIONS (SHOWN IN INCHES)

ENERGY INFO.

GAS

WATER FLOW RATE

SHIP.

D.O.E.

INPUT

TEMP.

GPM @ 77°

GPM @ 45°

CONNECTION

VENT

WEIGHT

ENERGY

ANN.

MODEL NUMBER

BTU/HR.

TYPE

RANGE*

RISE MAX.

RISE MAX.

WATER

GAS

HEIGHT

WIDTH

DEPTH

DIAMETER

(LBS.)

FACTOR OP. COST

RTG2-42PVN†

21,500 -

Indoor

100° to

2.4

4.2

3/4

3/4

20-1/2

13-3/4

5-1/4

3

35

.83

$165 Nat

118,000

140° F

$244 LP

RTG-53PVN†

21,600 -

Indoor

100° to

3.1

5.3

3/4

3/4

20-1/2

13-3/4

5-1/4

3

36

.82

$167 Nat

145,000††

140° F

$246 LP

RTG-74PVN-1†

19,000 -

Indoor

100° to

4.3

7.4

3/4

3/4

25-3/8

14-7/8

11-1/8

4

55

.82

$167 Nat

199,900

140° F

$246 LP

† Available in Natural Gas and Propane (LP). For Propane replace the N

Proper gas pressure must be ensured to supply tankless gas water heaters – up to

with a P when ordering.

118,000 BTU for RTG2-42 models, up to 145,000 BTU for RTG-53 models, and up to

††141,000 LP

199,900 BTU for RTG-74 models. (Consult your gas supplier)

* Factory set maximum temperature is 120° F.

Temperature Rise (°F)

• For installations above 3,280 feet a high altitude chip is required.

Refer to Rheem price list or consult factory for details.

Model Number

35°

45°

50°

60°

70°

77°

80°

90°

100°

• Consult factory for information on sizing the application.

RTG2-42PV Water Flow (GPM)

5.5

4.2

3.8

3.2

2.7

2.5

2.4

2.1

1.9

Installation vent kits available

RTG-53PV Water Flow (GPM)

6.8

5.3

4.7

3.9

3.4

3.1

3.0

2.6

2.4

RTG-74PV Water Flow (GPM)

8.5

7.4

6.6

5.5

4.7

4.3

4.1

3.7

3.3

Kits include components required for horizontal through the wall termination.

RTG20003 – 3" diameter for RTG2-42PV and RTG-53PV models.

Above estimates are for sizing purposes only.

RTG20007 – 4" diameter for RTG -74PV models.

These units are designed to meet

Models vent horizontally

or exceed ANSI (American National

or vertically

Standards Institute) requirements and have

been tested according to D.O.E. test proce-

dures and meet or exceed the energy effi-

This water heater has a built-in electric blower to force

ciency requirements of NAECA, ASHRAE

exhaust gas to the outside. Category III stainless steel

standard 90, ICC Code and all state energy

vent is (UL1738 certified) required. Maximum vent

efficiency performance criteria for energy

length for RTG2-42PV models is 36 feet 2 inches

consuming appliances.

including one 90° elbow. Maximum vent length for

RTG-53PV models is (not final) including one 90°

Before purchasing this appliance, read

elbow. Maximum vent length for RTG-74PV models is

important energy cost and efficiency

47 feet 6 inches including one 90° elbow.

information available from your supplier.

Type “B” vents are not permitted.

Venting side wall

Venting side wall

from side

from back

In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.

Rheem Water Heating • 101 Bell Road, Montgomery, Alabama 36117-4305 • www.rheem.com

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