Rheem RTGH84XLP1, RTGH95DVLN2 Specifications

Water

INTEGRATED HOME COMFORT

T

INTEGRATED HOME COMFORT

Residential Gas

Prestige RTGH Tankless Water Heaters

Rheem Prestige® RTGH is a series of High-Efficiency Condensing
Tankless Gas Water Heaters designed for continuous hot water

Efficiency

• Up to .93 UEF with stainless steel
condensing heat exchanger

Easy Installation and Service

• NEW! 2" venting connections

• NEW! Vent up to 150 ft with 3" PVC

and 60 ft with 2" PVC

• Built-in condensate neutralizer

• 1/2" Gas line compatibility up to 24 ft.

1

• Exclusive! Maintenance Notice
Setting – Alerts homeowner, after 500
hours of use, to call for service (optional)

• Self-diagnostic system for easy
installation and service

• High-altitude capability – up to
8,400 ft. elevation above sea level

•

Digital remote control now pre-wired!

2

10 ft. of thermostat wire included –
shows temperature setting and service
codes

• Requires 120V power supply

Performance

•

Industry Leading! Low Flow
Activation – M

inimum flow rate of .26
GPM and minimum activation flow rate
of .40 GPM ensures hot water even in
low demand situations

• Recirculation Pump Kit-Ready –

Providing faster hot water at the tap
and savings of up to 12,000 gallons
water/year

3

• Exclusive! Hot Start Programming –

Minimizes cold water bursts by staying
in ready-fire state for back-to-back hot
water needs

Technology

• EcoNet® Enabled – all Tankless

products from 2010 to present can
connect to EcoNet mobile app via
Tankless EcoNet Accessory Kit
(REWRA630TWH)

• For higher demand applications, easily
link multiple tankless units to operate as
one system:

– 2 Units: EZ Link cable
– Up to 6 units: MIC-6 Control Board
– Up to 20 units: MIC-185 plus

MICS-180 manifold control assembly

Environmentally Friendly

• Low Emissions – Ultra low NOx

burner meets SCAQMD rule 1146.2
requirements

• Exclusive! Water Savings Setting –

Save up to 1,100 gallons water/year

4

by reducing flow at the tap until set
temperature is achieved (optional)

Safety

• Exclusive! Overheat film wrap –

prevents dangerous temperatures and
provides industry best side-to-side
clearance of 1/2 inch

• Industry Best! Freeze protection

to -30°F

Warranty

• 12-Year heat exchanger – residential,
5-year heat exchanger – commercial,
5-year parts and 1-year labor

See Warranty Certificate for complete information

1

Based on Rheem testing of 1/2" gas line with gas supply of 7" w.c. up
to 24'; Installation conditions vary; Consult the Rheem® Use and Care
Manual, the Rheem® Gas Piping Facts brochure (TK-GPF-12), the
National Fuel Gas Code (NFPA 54, ANSI Z223.1), and any other local
gas codes when installing a Rheem Tankless Water Heater.

2

Contact customer service for exact altitude rating for each model.

3

Pump kit designed for single unit applications only.

4

Savings based on DOE test procedures.

Rheem Tankless Water Heater with
EcoNet® WiFi Included

Shares all efficiency, performance, technology,
warranty and safety values as standard models,
with added WiFi capability in the box.

Smart Home Features

• Water leak detection alert and system shut off (indoor
models only) – may qualify for insurance discounts

• Mobile alerts for notifications/maintenance reminders

• Mobile gas and water usage reports

• Integration with NEST & WINK smart home systems

Product Includes

RTGH-95DVELN-2

Indoor Direct Vent

with EcoNet

11,000-199,900

BTU/h Only

(Outdoor model

also available)

®

• Factory-installed translator

• Leak detection cable (for indoor models)

• Wi-Fi Module, connection cable and power cord

App available free in App Store and Google Play for Android

RTGH-95DVLN-2

Indoor Direct Vent

RTGH-95XLN-2

Outdoor

11,000-199,900 BTU/h

Natural and LP Gas

Swap N for P in model number for LP model

Maximum Water Temperature is 140° F
(for applications requiring up to 185° F,
see Rheem Commercial Tankless options)

LEED Points = 2

INTEGRATED HOME COMFOR

PRINTED IN U.S.A. 03/18 WP FORM NO. TK-806 Rev. 16

T

INTEGRATED HOME COMFORT

INTEGRATED HOME COMFORT

Rheem Prestige® Specifications

Flow Rate (GPM)

(743 mm)

(248 mm)

(59 mm)

177/8"

(156 mm)

(241 mm)

DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO.

MODEL
NUMBER

RTGH-95DVLN-2

RTGH-95DVELN-2

(EcoNet® Included)

RTGH-95XLN-2

RTGH-95XELN-2

(EcoNet® Included)

RTGH-90DVLN-2

RTGH-90XLN-2

RTGH-84DVLN-2

RTGH-84XLN-2

RTGH-68DVLN-2

RTGH-68XLN-2

* Based on simultaneous showers using 2.5 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 flow rate curves for accurate sizing.
Uniform Energy Factor and Energy Factor based on Department of Energy (D.O.E.) requirements.
All models are available in Natural Gas and Propane (LP). For Propane replace the N with P when ordering.
SCAQMD 1146.2 compliant.
Factory set maximum temperature is 120° F. See Use and Care Manual for setting.
Consult factory for information on sizing the application.
Add a “C” to the model number when ordering Canadian models. Outdoor models are only for seasonal use in
Canada. Please contact Rheem Canada Ltd. for details.
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/h for RTGH-95
models, up to 180,000 BTU/h for RTGH-90 models, up to 157,000 BTU/h for RTGH-84 models, up to 120,000 BTU/h
for RTGH-68 models. (Consult your gas supplier)

GAS
INPUT
BTU/H TYPE

11,000­199,900

11,000­199,900

11,000­199,900

11,000­199,900

11,000­180,000

11,000­180,000

11,000­157,000

11,000­157,000

11,000­120,000

11,000­120,000

Indoor

Direct Vent

Indoor

Direct Vent

Outdoor 4

Outdoor 4

Indoor

Direct Vent

Outdoor 3 - 4

Indoor

Direct Vent

Outdoor 3

Indoor

Direct Vent

Outdoor 2.5

NUMBER

OF

BATHROOMS*

4

4

3 - 4

3

2.5

MIN. FLOW/

TEMP.

ACTIVATION

RANGE

85° to

0.26/0.40 5.7 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4

140° F

85° to

0.26/0.40 5.7 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4

140° F

85° to

0.26/0.40 5.6 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93

140° F

85° to

0.26/0.40 5.6 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93

140° F

85° to

0.26/0.40 5.2 7.7 9.0 3/4 3/4 27-1/2 18-1/2 9-3/4

140° F

85° to

0.26/0.40 5.2 7.7 9.0 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93

140° F

85° to

0.26/0.40 4.6 6.7 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4

140° F

85° to

0.26/0.40 4.5 6.7 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 0.93

140° F

85° to

0.26/0.40 3.4 5.1 6.6 3/4 3/4 27-1/2 18-1/2 9-3/4

140° F

85° to

0.26/0.40 3.4 5.1 6.6 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82

140° F

Temperature Rise (° F)

Model Number 35° 45° 50° 60° 67° 70° 80° 90° 100°

RTGH-95 Water Flow (GPM)

RTGH-90 Water Flow (GPM)

RTGH-84 Water Flow (GPM)

RTGH-68 Water Flow (GPM)

9.5 8.5 7.7 6.4 5.7 5.5 4.8 4.3 3.8

9.0 7.7 6.9 5.8 5.2 4.9 4.3 3.8 3.5

8.4 6.7 6.0 5.0 4.6 4.3 3.8 3.3 3.0

6.6 5.1 4.6 3.8 3.4 3.3 2.9 2.6 2.3

Above estimates are for sizing purposes only.

10

9

8

7

6

5

4

3

2

1

0

0 10 20 30 40 50 60 70 80 90 100

Water Heater Flow Rate Curves

Delta T(F)

RTGH-95 Max Flow
RTGH-90 Max Flow
RTGH-84 Max Flow
RTGH-68 Max Flow

Maximum Vent Length (intake/outlet):

NUMBER

OF 90°

ELBOWS

0 or 1

(ULC-S636 pipe must be used for Canada.)

GPM

GPM

@ 67°

GPM

RISE
MAX.

MAXIMUM

LENGTH

OF 2"

STRAIGHT

PIPE

@45°
RISE
MAX.

MAX.
GPM

MAXIMUM

STRAIGHT

CONNECTION

WATER GAS

LENGTH

OF 3"

PIPE

60 ft. 150 ft.

2

58.5 ft 148.5 ft

3 57 ft. 147 ft.

4 55.5 ft 145.5 ft

5 54 ft 144 ft

6

52.5 ft 142.5

HEIGHT WIDTH DEPTH

29 1/4"

Water

Residential Gas

Prestige RTGH Tankless Water Heaters

VENT
DIAM.

2" or 3"

PVC 2-Pipe

2" or 3"

PVC 2-Pipe

2" or 3"

PVC 2-Pipe

2" or 3"

PVC 2-Pipe

2" or 3"

PVC 2-Pipe

Indoor Direct Vent

275/8"

(702 mm)

7

/8"

2

(73 mm)

21/8"

(54 mm)

Outdoor

275/8"

(702 mm)

7

3

(98 mm)27/8"

(73 mm)

21/8"

(54 mm)

SHIP

WEIGHT

(LBS.)

82 0.93

82 0.93

82 0.93

82 0.93

82

33/8"

(86 mm)

1

/4"

6

(159 mm)

51/2"

(140 mm)

1

/8"

4

(105 mm)

7

/8"

3

(98 mm)

(38 mm)

51/2"

(140 mm)

1

4

/8"

/8"

(105 mm)

1

/2"

1

(38 mm)

91/2"

(140 mm)

11/2"

91/2"

(454 mm)

(473 mm)

1

5

185/8"

UNIFORM

ENERGY
FACTOR

(UEF)

TBD

TBD

177/8"

(454 mm)

/2"

185/8"

(473 mm)

6

21/4"

93/4"

1

/8"

6

1

/4"

2

(59 mm)

93/4"

(248 mm)

1

/8"

Parts and Accessories

Venting & terminations – 2" or 3" PVC, recess boxes, pipe covers, extra r emote controls, EZ-Link™ cable, manifolds and cables,
service valve kits, service parts, flush kits, recirculation pump kits and AllClear
Tankless parts and accessories, see the Parts and Accessories Catalog or call 866-720-2076.

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

INTEGRATED HOME COMFOR

™

water treatment system. For more information on

Rheem Canada Ltd./Ltée • 125 Edgeware Road, Unit 1

Brampton, Ontario L6Y 0P5 • www.rheem.com

PRINTED IN U.S.A. 03/18 WP FORM NO. TK-806 Rev. 16

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