Owner's Manual for Rheem models including: RTG-70DVLN-3, RTG-84DVLN-3, RTG95DVLN-3, RTG70XLN-3, RTG84XLN-3, RTG95XLN-3, RTG-70DVLN-3 High Efficiency Non Condensing Tankless Gas Water Heaters, RTG-70DVLN-3, High Efficiency Non Condensing Tankless Gas Water Heaters, Condensing Tankless Gas Water Heaters, Tankless Gas Water Heaters, Gas Water Heaters, Water Heaters, Heaters

Rheem RTG Series High Efficiency Non-Condensing Tankless Gas Water Heaters

01/24 FORM NO. TK-RTG SERIES REV. 4 Rheem RTG Series High Efficiency Non-Condensing Tankless Gas Water Heaters Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in

SPECIFICATION

Rheem RHEEM NON-CONDENSING INDOOR 8.4 MAX GPM 180000 NATURAL GAS | Ferguson

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10416698 13198188 specification
Water

Residential Gas RTG Series Tankless Water Heaters

Rheem® RTG Series High Efficiency Non-Condensing Tankless Gas Water Heaters

Easy Installation · Industry Leading! 43' vent run capability · Enhanced design up to 10% smaller to fit in
even more places than before · Enhanced design up to 22% lighter making
one-person installs even easier Ready for Retrofits · Industry Best! 1/2" side to side clearance
allows you to safely work in spaces the competition can't · 1/2" Gas line compatibility up to 24 ft (subject to local code)
Specifications

· Universal Venting Compatibility with UBBINK, Metal Fab, and Rainbow venting for easier tankless to tankless replacements
Key Features
· Rheem® Exclusive! Hot-start ProgrammingTM ensures the unit is in a ready state between back-to-back usage, minimizing any cold water bursts
· Built-in EcoNet® Wi-Fi technology for direct control from your device (on select models)
· LeakGuard® ­ All-inclusive leak detection and prevention system that detects any leak that comes from the unit (on indoor Wi-Fi models)

Rheem Model Number

INDOOR

RTG-

RTG-

70DVLN-3 84DVLN-3

RTG95DVLN-3

RTG70XLN-3

OUTDOOR
RTG84XLN-3

RTG95XLN-3

Built-in LeakGuardTM Model Number

RTG95DVELN-3 (Wi-Fi Model)

RTG95XELN-3 (Wi-Fi Model)

Gas Input Rate (BTU/h)

MAX MIN

160,000 11,000

180,000 11,000

199,900 11,000

160,000 11,000

180,000 11,000

199,900 11,000

Uniform Energy Factor (UEF)

0.82

Hot Water MAX (35°F)

7.0

8.4

9.5

7.0

8.4

9.5

Flow Rate

Capacity ­ 45°F Rise

6.0

6.7

7.4

6.0

6.7

7.4

Gallons Per

Minute (GPM) 67°F Rise

4.1

4.5

5.0

4.1

4.5

5.0

Number of Bathrooms1

2-3

3

3-4

2-3

3

3-4

Temp. Range

100°F - 140°F

Temp. Setting from Factory
High Temp. Upgrade Available
Freeze Protection

120°F No
-30°F Air Intake2, -4°F Ambient

Heat Exchanger Material

Primary: Copper

Minimum Activation Flow

0.4 GPM

Minimum Continuous Flow

0.26 GPM

Maximum Altitude

7,800 ft.

Ultra Low NOx

Meets 14 ng/J NOx requirements - SCAQMD Rule 1146.2 compliant

Warranty

15 Year Heat Exchanger | 5-Year Parts | 1-Year Labor

Height

24.2"

20.75"

Width

13.5"

13.5"

Depth

10.27"

9.4"

Weight (Lbs.)

46.5

42

Venting Diam. Allowed

3" by 5"CONCENTRIC

N/A

Max. Single Vent Run (straight pipe)

43 ft.

N/A

Approved Venting Manufacturer

Metal Fab, Rainbow, UBBINK

Manifold Controls (max. units)

6 Units3

Controls

Built-in digital display

External Remote (Included)

Power Supply

120V 60Hz

Max. Power Consumption

85W (Normal use), 0.7 Amps 132W (Antifreeze), 1.1 Amps 3.5W (Standby), 0.03 Amps4

Gas Connection

3/4" NPT

Hot Water Connection

3/4" NPT

Cold Water Connection

3/4" NPT

All models are available in Natural Gas or Propane (LP). For Propane replace the N with P for LP model.

Indoor DV

Outdoor

RTG Series Models
Indoor & Outdoor Models 11,000-199,900 BTU/h
Natural Gas and Liquid Propane Models*
*Swap P for N in model number for Liquid Propane model

Clearances
Top / Bottom Front Sides Back / From Vent Pipe

12" 1/2"5 1/2"
0"

1 Based on simultaneous showers using 2.0 GPM flow rate pre-mixed with cold water line. Flow rates vary depending on temperature of incoming cold water and water heater set temperature. Refer to 9 zone ground water temperature map for accurate sizing. 2 For indoor application, this is the temperature of outdoor intake air. 3 Manifolds with standard RJ11 communication cables. 4 If anti freeze is on and combustion is on, total W will be 217W (85+132). 5 Recommended 24" clearance for service.

01/24 FORM NO. TK-RTG SERIES REV. 4

U.S. Ground Water Temperature Zone Map

Average Flow Rates (GPM) by Application

CAN

AK

HI

PR

Low Flow Faucet

0.5

Bathroom Faucet

1

Kitchen Faucet

1.5

Shower

2

Dishwasher

2

Washing Machine

3

Flow rates may vary.

Flow Rate Capacity Table by Zone (Gallons Per Minute - GPM)
Use the U.S. Ground Water Temperature Map to locate your zone. Then use the Flow Rate Capacity Table to determine model flow rate by zone. Flow rates calculated for tankless set temperature of 120°F with a mixed shower temperature of 105°F. Ground water temperatures vary seasonally.

MODEL #
RTG-95 RTG-84 RTG-70

Zone 1 37°F
4.0 3.6 3.2

Zone 2 42°F
4.3 3.8 3.4

Zone 3 47°F
4.6 4.1 3.7

Zone 4 52°F
4.9 4.4 3.9

Zone 5 57°F
5.3 4.8 4.2

Zone 6 62°F
5.7 5.2 4.6

Zone 7 67°F
6.3 5.7 5.0

Zone 8 72°F
6.9 6.3 5.6

Zone 9 77°F
7.7 7.0 6.2

Venting

SINGLE UNIT: MAX. EQUIVALENT VENT LENGTHS - STRAIGHT PIPE

Number of 90 Elbows
0 1 2 3 4 5 6

Max Length 3" / 5" straight pipe
43 ft. (13.1 m) 41.5 ft. (12.6 m) 38.5 ft. (12.2 m) 34 ft. (11.7 m) 28 ft. (11.3 m) 20.5 ft. (10.8 m) 11.5 ft. (10.4 m)

Equivalent Ft. of Elbows

90° Elbow 45° Elbow

3"/5" 1.6 ft. 9 in.

Venting Materials Allowed: 3-in./5-in. (7.6-cm/12.7-cm) UL-approved Category III Stainless Steel vent materials or water heater manufacturer-approved vent material (MetalFab, UBBINK, and Rainbow)

Min. Vent Length Straight Pipe

Number of 90° Elbows
1

Min. Length 3"/5" pipe
1.0 ft (0.3 m)

Hanging bracket is included with water heater. Parts & Accessories

Recirculation Pump
AP17920

Pipe Cover
RTG20330AJ

Horizontal Vent Termination
Twin Pipe System
RTG20231-2

Concentric Vent Termination Twin Pipe System
RTG20211

AllClear® Water Treatment System
RTG20251

Water

Residential Gas RTG Series Tankless Water Heaters

INDOOR DIRECT VENT

TOP VIEW

BOTTOM VIEW

OUTDOOR

TOP VIEW

BOTTOM VIEW

Isolation Valve Kit
RTG20326

Manifold Cables
RCPN-AMP030013111101-0003
(48")

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

Rheem Water Heating · 1115 Northmeadow Parkway, Suite 100 Roswell, Georgia 30076 · www.rheem.com

Rheem Canada Ltd./Ltée · 125 Edgeware Road, Unit 1 Brampton, Ontario L6Y 0P5 · www.rheem.ca

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01/24 FORM NO. TK-RTG SERIES REV. 4



References

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