Rheem Professional Prestige Series 90 Outdoor Specification Sheet

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

Water

INTEGRATED HOME COMFORT

Residential Gas

Prestige RTGH Tankless Water Heaters

INTEGRATED HOME COMFOR

T

INTEGRATED HOME COMFORT

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™ overheat

lm wrap

• EZ-Link™ cable available for higher

demand applications to connect two

tankless units to operate as one

• Manifold up to six units with an

optional MIC-6 manifold control board

• Manifold up to 20 units with the

optional MIC-185 plus the MICS-180

manifold control assembly

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™ Sizing Software –

advanced online tool that takes the

guess work out of sizing tankless

applications – available at

www.rheem.com/tankless

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

Rheem Prestige™ RTGH is a series of high efficiency condensing

tankless gas water heaters designed for continuous hot water

RTGH-DVL

Indoor Direct Vent Model

11,000-199,900 Btu/h

Natural and LP Gas

RTGH-XL

Outdoor Model

11,000-199,900 Btu/h

Natural and LP Gas

Commercial Applications

The RTGH Condensing Tankless

Series can be upgraded for high-

temperature 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.

LEED Points = 2

5

ProClub

POINTS

5

ProClub

POINTS

myrheem.com/proclub

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

2

Rheem Water Heating • 101 Bell Road

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

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

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

INTEGRATED HOME COMFOR

T

INTEGRATED HOME COMFORT

Water

INTEGRATED HOME COMFORT

Residential Gas

Prestige RTGH Tankless Water Heaters

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

Indoor Direct Vent

27 1/2”

18 1/2”9 3/4”

51/2

”6

1/4”

2

1/2”

3

1/4”

4

1/4”

7 1/2”

6

3/4”

3

1/2”

2

3/4”

2

3/4”

Outdoor

18 1/2”

9 3/4”

27 1/2”

2

1/2”2

3/4”

3

1/4”

4

1/4”

7 1/2”

6

3/4”

3

1/2”

2

3/4”

Parts and Accessories

Venting & terminations – 2” or 3” PVC, recess boxes, pipe covers, extra remote

controls, EZ-Link™ cable, manifolds and cables, service valve kits, service parts and

ush kits.

For more information on Tankless parts and accessories, see the Parts and

Accessories Catalog or call 866-720-2076.

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.

• 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)

Temperature Rise (° F)

Model Number 35° 45° 50° 60° 70° 77° 80° 90° 100°

RTGH-95 Water Flow (GPM)

9.5 8.4 7.6 6.3 5.4 4.9 4.7 4.2 3.8

RTGH-90 Water Flow (GPM)

9.0 7.5 6.8 5.6 4.8 4.4 4.2 3.8 3.4

RTGH-84 Water Flow (GPM)

8.4 6.6 6.0 5.0 4.3 3.9 3.7 3.3 3.0

Above estimates are for sizing purposes only.

0

1

2

3

4

5

6

7

8

9

10

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

H95 Max Flow

H90 Max Flow

H84 Max Flow

Water Heater Flow Rate Curv

es

De

lta-

T

GPM

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)

Maximum Vent Length

(intake/outlet):

(ULCs636 pipe must be used

for Canada.)

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. CONNECTION VENT WEIGHT ENERGY RECOVERY ENERGY COST

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 Direct Vent 140° F PVC 2-Pipe

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

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 Direct Vent 140° F PVC 2-Pipe

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

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 Direct Vent 140° F PVC 2-Pipe

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