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Rheem Heating, Cooling and Water Heating         7

 

RHEEM RESIDENTIAL TANKLESS

84 TANKLESS SERIES

Continuous hot water for 2-3 bathroom homes*

RTG-84DV indoor direct vent and RTG-84X outdoor 

 natural and LP models – 11,000 - 180,000 BTU max.

8.4 gal./min at 35° F rise max., 6.7 gal./min. at 45° F rise

Limited Warranty:

12-Year on heat exchanger, 5-Year on parts, 1-Year on labor

See Residential Warranty Information Brochure for  complete warranty information.

New! 3"/5" Concentric Vent System with Integrated Condensate Collector

Connects to Metal Fab Inc., 3"/5" Concentric Venting without an adapter

New! Next Generation Burner Technology

Industry Best! .26 GPM Minimum Flow Rate, .40 GPM Minimum 

Activation Flow Rate

UMC-117 remote control and 10 ft. of thermostat wire is included

EZ-Link™ cable available for high demand applications to connect two tankless

units to operate as one

New! Manifold up to 6 units with an optional MIC-6 manifold control board

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

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

(no chip required)

Exclusive! Guardian OFW™ overheat film wrap

All Rheem tankless models are third-party efficiency certified by GAMA

Continuous hot water, energy saving and compact, space saving design

Intelligent electronic controls designed to increase energy efficiency and safety

Self Diagnostic System

Digital display shows temperature setting and maintenance codes

Built-in electric blower

Supplied with a 120 volt power cord

Environmentally friendly Low NOx burner meets SCAQMD rule 1146

 requirements

Freeze protection to -30° F

Product appearance may differ.
* Based on simultaneous showers using 2.5 gallons per minute. Flow rates vary depending 

on temperature of cold water supply.

Tankless water heaters

Continuous hot water

See reverse for specifications.

180,000 BTU

INDOOR DIRECT VENT 

180,000 BTU

OUTDOOR

The 84 Series Tankless models can be

 converted for Commercial Installations

See Commercial Warranty Brochure for details.

NEW!

SPRING 2010

84 TANKLESS SERIES

RTG-84DVN

11,000-

Indoor 85° to

3.9

6.7

8.4

3/4

3/4 25-5/8 13-7/8 9-7/8

3 by 5

54

.82

$223/$374

180,000

Direct Vent

140° F

CONCENTRIC

RTG-84XN

11,000- Outdoor 85° to

3.9

6.7

8.4

3/4

3/4 23-5/8 13-7/8 8-7/8

N/A

54

.82

$223/$374

180,000

140° F

RHEEM TANKLESS WATER HEATERS FOR 3 BATHROOM HOMES

All models are available in Natural Gas and Propane (LP). 

For Propane replace the N with P when ordering.

•  Factory set maximum temperature is 120° F. See Use and Care Manual for setting.

• Consult factory for information on sizing the application.

Vent Termination Kits are required for Direct Vent models. Contact your distributor for details.

Temperature Rise (° F)

Model Number

35° 45° 50° 60° 70° 77° 80° 90° 100°

RTG-84 Water Flow (GPM)

8.4

6.7 6.1 5.1 4.3

3.9 3.8 3.4 3.0

Above estimates are for sizing purposes only.

Proper gas pressure must be ensured to supply tankless gas water heaters – up to 180,000 BTU 

for RTG-84 models. (Consult your gas supplier)

Rheem Water Heating and Heating & Cooling Products

101 Bell Road 

 Montgomery, AL 36117-4305

1-866-720-2076 

 www.rheem.com

Rheem Canada Ltd./Ltée 

 Water Heater Division

125 Edgeware Road, Unit 1, Brampton, Ontario L6Y 0P5

Printed in U.S.A.        01/10 WP        Form No. 101-50-84

These units are designed to meet or exceed ANSI (American National Standards Institute)

requirements and have been tested according to D.O.E. test procedures and meet or

 exceed the energy efficiency  requirements of NAECA, ASHRAE standard 90, ICC Code and

all state energy efficiency  performance criteria for energy consuming  appliances.

Before purchasing this appliance, read important energy cost and efficiency information

available from your supplier.

In keeping with its policy of  continuous progress and product  improvement, 

Rheem reserves the right to make changes without notice.

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35

45

50

60

70

77

80

90

100 120 140

Water Heater Flow Rate Curves

Delta-T

G

PM

Specifications

DESCRIPTION

FEATURES

ROUGHING IN DIMENSIONS (SHOWN IN INCHES)

ENERGY INFO.

GAS 

WATER FLOW RATE

VENT

SHIP.

D.O.E. ANN.

MODEL 

INPUT

TEMP.

GPM @ 77°  GPM @ 45° GPM @ 35°  CONNECTION

DIAMETER WEIGHT

ENERGY

OP. COST

NUMBER

BTU/HR.

TYPE

RANGE

RISE MAX. RISE MAX. RISE MAX. WATER GAS

HEIGHT

WIDTH

DEPTH

(INCHES)

(LBS.)

FACTOR

NAT/LP

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 $1.218/therm; LP $1.87/gallon

.

®

*COMMERCIAL OPERATION AVAILABLE WITH CONVERSION KITS:

RTG20216A 

FOR RTG-84DVN

RTG20216B 

FOR RTG-84DVP

RTG20216C 

FOR RTG-84XN

RTG20216D 

FOR RTG-84XP

Temperature range for commercial: 85° to 185° F.

SPECIFICATIONS

Summary of Contents for RHWB series

Page 1: ...r Handler Low profile 34 inch design is lighter easier to handle and leaves room for optional accessories Left or right side electric connections Integrated control board features diagnostics manages...

Page 2: ...ween the tankless water heater and the hydronic coil 3 COOLING COIL In cooling mode the cooling coil operates the same as any other Rheem heating and cooling system STANDARD EQUIPMENT Completely assem...

Page 3: ...major design change in the product line i e capacity Nominal Heating Capacity BTU HR 06W 60 000 08W 80 000 10W 100 000 Revision A Rev 0 Blower Size M 11x7 R 11x10 Variations P PSC Motor 48 15 1700 CF...

Page 4: ...11 32 593 225 8 575 7 8 22 600 2025 32 528 0 0 0 1 25 2 51 10WR 241 2 622 2311 32 593 225 8 575 7 8 22 600 2025 32 528 0 0 0 1 25 2 51 UPFLOW MODELS Designates Metric Conversions FIGURE 4 CLEARANCE TO...

Page 5: ...77 1246 1210 1161 1090 1019 High 1841 1795 1747 1681 1622 1560 1500 1420 1358 1288 Low 1319 1307 1300 1240 1236 1210 1177 1149 1100 1032 M Lo 1484 1480 1471 1463 1418 1385 1359 1314 1246 1166 RHWB 08W...

Page 6: ...assembly High altitude capability up to 9 840 ft elevation above sea level no chip required Exclusive Guardian OFW overheat film wrap All Rheem tankless models are third party efficiency certified by...

Page 7: ...and maintenance codes Built in electric blower Supplied with a 120 volt power cord Environmentally friendly Low NOx burner meets SCAQMD rule 1146 requirements Freeze protection to 30 F Product appeara...

Page 8: ...etting and maintenance codes Built in electric blower Supplied with a 120 volt power cord Environmentally friendly Low NOx burner meets SCAQMD rule 1146 requirements Freeze protection to 30 F Product...

Page 9: ...ay be used or a suitable 1 25 4 mm filter Designates Metric Conversions Rheem Heating Cooling and Water Heating 7 FILTER RACK FILTER SIZES INCHES mm MODEL RXGF CB BOTTOM RHWB 04WMAES 153 4 x 25 400 x...

Page 10: ...heem Heating Cooling and Water Heating TYPICAL PIPING ARRANGEMENT FOR DIRECT SPACE HEATING AND DOMESTIC WATER SUPPLY WITH TANKLESS All piping to be 3 4 inch BV DV Evaporator Coil Air Separator Flow Sw...

Page 11: ...Rheem Heating Cooling and Water Heating 11...

Page 12: ...S A 04 10 DC FORM NO H11 534 Supersedes Form No G11 450 Rev 16 Rheem Heating Cooling and Water Heating 5 Designates Metric Conversions GENERAL TERMS OF LIMITED WARRANTY Rheem will furnish a replacemen...

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