Rheem Professional Prestige Series 95 Outdoor, Professional Prestige Series 90 Outdoor Specification

Water

INTEGRATED HOME COMFORT

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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 .94 EF with stainless steel
condensing heat exchanger

• Intelligent electronic controls designed
to increase energy efciency and safety

• Third party efciency listed by AHRI

Performance

• Industry First! 0.26 GPM minimum
ow rate, 0.40 GPM minimum
activation ow rate

• SCAQMD rule 1146.2 compliant

• RTGH-95 for 3 bathroom homes*–

9.5 gal./min. at 35°F rise max.,

8.4 gal./min. at 45°F rise

• RTGH-90 for 2-3 bathroom homes*–

9.0 gal./min. at 35°F rise max.,

7.5 gal./min. at 45°F rise

• RTGH-84 for 2-3 bathroom homes*–

8.4 gal./min. at 35°F rise max.,

6.6 gal./min. at 45°F rise

Compact Size

• Compact space-saving design –
about the size of a medicine cabinet

Self-Diagnostic System

• Self-diagnostic system for easy
installation and service.

• Digital display shows temperature
setting and maintenance codes

Technology

• Two-pipe direct vent system designed
for PVC pipe (up to 38 ft. of 3" PVC
Pipe or 5 ft. of 2" PVC Pipe). See
instructions for details

• Hot-start programming helps minimize
uctuation in water temperature,
referred to as “cold water sandwich
effect,” during periods of frequent on/
off operation

• Built-in electric blower

• Exclusive! Guardian OFW
lm wrap

• EZ-Link

• Manifold up to six units with an

• Manifold up to 20 units with the

™

demand applications to connect two
tankless units to operate as one

optional MIC-6 manifold control board

optional MIC-185 plus the MICS-180
manifold control assembly

cable available for higher

™

overheat

High-Altitude Compliant

• High-altitude capability – up to
9,840 ft. elevation above sea level

Plus…

• Digital remote control and 10 ft. of
thermostat wire included

• Supplied with a 120-volt power cord
(indoor models only)

• Freeze protection to -30°F

• Required manual gas isolation valve
included

• EZ- Spec
advanced online tool that takes the
guess work out of sizing tankless
applications – available at
www.rheem.com/tankless

™

Sizing Software –

Warranty

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

See Warranty Certicate for complete information

Commercial Applications

The RTGH Condensing Tankless
Series can be upgraded for high­temperature commercial use.

•

Temperature range is 85°F to 185°F

RTGH-95 Upgrade Kits

RTG20240A for RTGH-95DVLN
RTG20240B for RTGH-95DVLP
RTG20240C for RTGH-95XLN
RTG20240D for RTGH-95XLP

RTGH-90 Upgrade Kits

RTG20244A for RTGH-90DVLN
RTG20244B for RTGH-90DVLP
RTG20244C for RTGH-90XLN
RTG20244D for RTGH-90XLP

RTGH-84 Upgrade Kits

RTG20241A for RTGH-84DVLN
RTG20241B for RTGH-84DVLP
RTG20241C for RTGH-84XLN
RTG20241D for RTGH-84XLP

Note: These upgrade kits are not compatible
with previous models. See the Tankless Parts
and Accessories Catalog for a complete listing.

* Based on simultaneous showers using 2.5

gallons per minute. Flow rates vary depending
on temperature of cold water supply.

5

ProClub

POINTS

RTGH-DVL

Indoor Direct Vent Model

11,000-199,900 Btu/h

Natural and LP Gas

5

ProClub

POINTS

RTGH-XL

Outdoor Model

11,000-199,900 Btu/h

Natural and LP Gas

LEED Points = 2

myrheem.com/proclub

INTEGRATED HOME COMFOR

PRINTED IN U.S.A. 10/14 WP FORM NO. TK-806 REV. 6

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INTEGRATED HOME COMFORT

Water

INTEGRATED HOME COMFORT

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GPM

Residential Gas

Prestige RTGH Tankless Water Heaters

Rheem Prestige™ Specifications

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

GAS MIN. FLOW/ GPM @ GPM @ SHIP. EST. YEARLY
MODEL INPUT TEMP. ACTIVATION 77° RISE 45° RISE MAX.
NUMBER BTU/H TYPE RANGE GPM MAX. MAX. GPM WATER GAS HEIGHT WIDTH DEPTH DIAM. (LBS.) FACTOR EFFICIENCY NAT/LP

Rheem Prestige™ RTGH-95 for 3 Bathroom Homes

RTGH-95DVLN 11,000- Indoor 85° to 0.26/0.40 4.9 8.4 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 2” or 3” 82 .94 94% $174/421
199,900

RTGH-95XLN 11,000- Outdoor 85° to 0.26/0.40 4.9 8.4 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 .94 94% $174/421
199,900 140° F

Direct Vent 140° F PVC 2-Pipe

Rheem Prestige™ RTGH-90 for 2-3 Bathroom Homes

RTGH-90DVLN 11,000- Indoor 85° to 0.26/0.40 4.4 7.5 9 3/4 3/4 27-1/2 18-1/2 9-3/4 2” or 3” 82 .93 93% $176/425
180,000

RTGH-90XLN 11,000- Outdoor 85° to 0.26/0.40 4.4 7.5 9 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 .93 93% $176/425
180,000 140° F

Direct Vent 140° F PVC 2-Pipe

Rheem Prestige™ RTGH-84 for 2-3 Bathroom Homes

RTGH-84DVLN 11,000- Indoor 85° to 0.26/0.40 3.9 6.6 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 2” or 3” 82 .92 92% $178/430
157,000

RTGH-84XLN 11,000- Outdoor 85° to 0.26/0.40 3.9 6.6 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4 N/A 82 .92 92% $178/430
157,000 140° F

Direct Vent 140° F PVC 2-Pipe

CONNECTION

VENT WEIGHT ENERGY RECOVERY ENERGY COST

Estimated energy cost based on a national average fuel cost of $1.09/therm for natural gas and $2.41/gallon for LP.
Energy factor determined by the U.S. Department of Energy (DOE) test procedures.

All models are available in Natural Gas and Propane (LP). For Propane replace the N with P when ordering.

• SCAQMD 1146.2 compliant.

Indoor Direct Vent

51/2

1

/4”

• 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. (Consult your gas supplier)

27 1/2”

Temperature Rise (° F)
Model Number 35° 45° 50° 60° 70° 77° 80° 90° 100°

RTGH-95 Water Flow (GPM)
RTGH-90 Water Flow (GPM)
RTGH-84 Water Flow (GPM)

9.5 8.4 7.6 6.3 5.4 4.9 4.7 4.2 3.8

9.0 7.5 6.8 5.6 4.8 4.4 4.2 3.8 3.4

8.4 6.6 6.0 5.0 4.3 3.9 3.7 3.3 3.0

18 1/2”

9 3/4”

Above estimates are for sizing purposes only.

4 1/4”

1

/4”

27 1/2”

4 1/4”

3

2 3/4”

1

/2”

3

6 3/4”

7 1/2”

Outdoor

9 3/4”

1

/4”

3

3

7 1/2”

18 1/2”

2 3/4”

1

/2”

6 3/4”

Water Heater Flow Rate Curv

9

8

7

6

5

4

3

2

1

0

10 20 35 45 50 60 70 77 80 90 100 120 140

lta-

H95 Max Flow

H90 Max Flow

H84 Max Flow

Parts and Accessories

Venting & terminations – 2” or 3” PVC, recess boxes, pipe covers, extra remote
controls, EZ-Link
ush kits.

™

cable, manifolds and cables, service valve kits, service parts and

Maximum Vent Length

(intake/outlet):

Maximum Maximum
Length Length

Number of 2" of 3"
of 90° Straight Straight

Elbows Pipe Pipe

0 or 1 5.0 ft. 38.0 ft.
(1.5 m) (11.6 m)

2 3.5 ft. 36.5 ft.
(1.0 m) (11.1 m)

3 2.0 ft. 35.0 ft.
(0.6 m) (10.6 m)

4 Not 33.5 ft.
Available (10.2 m)

5 Not 32.0 ft.
Available (9.8 m)

6 Not 30.5 ft.
Available (9.3 m)

(ULCs636 pipe must be used

for Canada.)

For more information on Tankless parts and accessories, see the Parts and
Accessories Catalog or call 866-720-2076.

2

2 1/2”

2 1/2”2 3/4”

3

/4”

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

Montgomery, Alabama 36117-4305 • www.rheem.com

Rheem Water Heating • 101 Bell Road

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

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

INTEGRATED HOME COMFOR

2

PRINTED IN U.S.A. 10/14 WP FORM NO. TK-806 REV. 6