Tankless Water Heater Models:
RTG-64DVL indoor direct vent and RTG-64XL outdoor
• Natural and LP models – 11,000 - 150,000 BTU max.
• 6.4 gal./min at 35° F rise max., 5.6 gal./min. at 45° F rise
RTG-84DVL indoor direct vent and RTG-84XL 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
RTGH-84DVL indoor direct vent and RTGH-84XL outdoor
• Natural and LP models – 11,000 - 157,000 BTU max.
• 8.4 gal./min at 35° F rise max., 6.6 gal./min. at 45° F rise
RTG-95DVL indoor direct vent and RTG-95XL outdoor
• Natural and LP models – 11,000 - 199,900 BTU max.
• 9.5 gal./min at 35° F rise max., 7.4 gal./min. at 45° F rise
RTGH-95DVL indoor direct vent and RTGH-95XL outdoor
• Natural and LP models – 11,000 - 199,900 BTU max.
• 9.5 gal./min at 35° F rise max., 8.4 gal./min. at 45° F rise
FORM NO. H11-547 REV. 3
Air & Water
Integrated Solutions
RHWB Series
Hydronic Air Handler Powered by
Tankless Technology
RHWB- Series
• Nominal Heating Capacities:
32-90 kBTU [9.38-26.39 kW]
✝A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with
Department of Energy test procedures.
2
Air & Water
Table of Contents
RHWB Series
TABLE OF CONTENTS
System Components ......................................................................................3
Model Features & Model Number Identification..................................................4
General Data ..............................................................................................5-6
Dimensional Data............................................................................................7
Airflow Performance Data ............................................................................8-9
Water Heater Performance Data ....................................................................10
Hydronic Air Handler Performance Data ................................................................11
Tankless Water Heater-Mid Efficiency Tankless Series ....................................12-13
Tankless Water Heater-Condensing Tankless Series ........................................14-15
Accessories ............................................................................................................16
Typical Piping..........................................................................................................17
Limited Warranty ....................................................................................................18
Air & Water
System Components
RHWB Series
3
1
2
3
System Components
Tankless Water Heater
The Rheem tankless water heater serves two
purposes in the hydronic system: it provides
continuous hot water for use throughout the
home. When a call for heat is made, the tankless
water heater also acts as the heat-source for air
handler, providing both hot water and heating for
the home simultaneously.
Hydronic Air Handler
The hydronic air handler features a hydronic
heating coil in place of either electric heating
elements or gas-fired heat exchangers. When
in heating mode, the hydro pump circulates hot
water between the tankless water heater and the
hydronic coil.
Cooling Coil
In cooling mode, the cooling coil operates the
same as any other Rheem heating and cooling
system.
1
2
3
A
B
C
Home Heating & Water Heating Powered by Tankless Technology
System Components
Hydronic Air Handler – Inside View
HYDRONIC COIL
INTEGRATED
CONTROL
HYDRO PUMP
4
Air & Water
Model Features & Model Number Identification
RHWB Series
Features of the Hydronic Air 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
all operational functions and provides hookups for
humidifier and electronic air cleaner
• An insulated blower compartment makes it one of the
quietest hydronic air handlers on the market today
• Pre-paint galvanized steel cabinet
• Molded permanent filter(s)
• Transformer and control fuse protection
• Solid bottom is standard
• A variety of cooling coils and plenums designed to use
with the Hydronic Air Handler are available as optional
accessories for air conditioning models
• Stainless steel water pump
Model Features
Features of the Tankless Water Heater
• Industry best! Minimum flow rate of .26 GPM,
minimum activation flow rate of .40 GPM
• ENERGY STAR
®
rated models available
• Next generation burner technology
• 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
• High-altitude capability – up to 9,840 ft. elevation
above sea level (no chip required)
• Intelligent electronic controls designed to increase
energy efficiency and safety
• Self Diagnostic System
R H W B -06W M P 36 B
Brand Application Type
Design
Series
Heating Output Designation
Blower
Size
Variations
Heat/Cool
Designation
Revision
Inlet Water
Temp = 150F [66°C]
Output
BTU/HR [kW]
R = Rheem H = Air Handler W = Water
B =
2nd Series
04W 40,000 [11.7 kW]
M = 11x7
[279 x 178 mm]
R = 11x10
[279 x 254 mm]
P = PSC
X = Eco
Tech™
(ECM)
36 = 1100-1300 CFM
[519-613.5 L/s]
48 = 1500-1700 CFM
[707.9-802.3 L/s]
60 = 1900-2100 CFM
[896
.7-991.1 L/s]
B = Rev 1
06W 60,000 [17.6 kW]
08W 80,000 [23.5 kW]
10W 90,000 [28.3 kW]
[ ] Designates Metric Conversions
Hydronic Air Handler Model Identification
MODEL NUMBERS RHWB-04WMP36B RHWB-06WMP48B RHWB-08WRP60B RHWB-10WRP60B
Nominal Heating Capacity BTU/hr [W] 40000 60000 80000 100000
Air Side Temperature Rise* °F [°C] 45-75 [25-41.7] 40-70 [22.2-38.9] 35-65 [19.4-36.1] 35-65 [19.4-36.1]
Heating CFM [L/s] @ .8 WC [.19 kPa] 590 [278] 1000 [471] 1453 [685] 1818 [858]
Cooling CFM [L/s] @ .5 WC [.12 kPa] 1235 [582] 1622 [765] 1871 [883] 1973 [931]
Power Supply (V - HZ - PH) 115 - 60 -1
Minimum Circuit Ampacity - Amps 10 11.4 14 14
Max Rating of Over Current Protective
Device - Amps
18 20.5 25.2 25.2
Maximum Fuse or Circuit Breaker Size 15 20 25 25
Motor HP [W] 1/2 [373] 3/4 [559] 3/4 [559] 3/4 [559]
Blower (D x W) in [mm] 11 x 7 [279 x 178] 11 x 7 [279 x 178] 11 x 10 [279 x 254] 11 x 10 [279 x 254]
Blower Motor Type PSC
Pump Type Wet Rotor
Pump Power Supply (V - HZ - PH) 115 - 60 -1
Pump Motor RLA/LRA - Amps 1.8
Pump HP [W] 1/8
Pump Maximum Working Pressure psi [kPa] 125 [861]
Min/Max Working Temperature °F [°C] 160 [71]
Water Connection Type Copper Studs
Inlet Water Connection Diameter in [mm] 3/4 [19]
Out Water Connection Diameter in [mm] 3/4 [19]
Return Air Filter Size in [mm] 12 x 16 [305 x 406] 16 x 24 [406 x 609]
Standard High Velocity Filter Size
(L X W X H) in [mm]
15 3/4 x 25 x 1
[400 x 635 x 25]
22 3/4 x 25 x 1
[578 x 635 x 25]
Shipping Weight LBS [kg] 107 [48.5] 118 [53.5] 137 [62.1] 145 [65.7]
5
Air & Water
General Data
RHWB Series
General Data—PSC Models
U.S. and Canadian Models
IMPORTANT
: BEFORE PURCHASING THIS APPLIANCE, READ IMPORTANT ENERGY COST AND EFFICIENCY
INFORMATION AVAILABLE FROM YOUR RETAILER.
[ ] Designates Metric Conversions
6
Air & Water
General Data
RHWB Series
MODEL NUMBERS RHWB-04WMX36B RHWB-06WMX48B RHWB-08WRX60B RHWB-10WRX60B
Nominal Heating Capacity BTU/hr [W] 40000 60000 80000 100000
Air Side Temperature Rise* °F [°C] 45-75 [25-41.7] 40-70 [22.2-38.9] 35-65 [19.4-36.1] 35-65 [19.4-36.1]
Heating CFM [L/s] @ .8 WC [.19 kPa] 578 [ 272] 1030 [485] 1502 [707] 1847 [870]
Cooling CFM [L/s] @ .5 WC [.12 kPa] 1180 [556] 1300 [612] 1645 [775] 1707 [804]
Power Supply (V - HZ - PH) 115 - 60 -1
Minimum Circuit Ampacity - Amps 10 12.9 12.9 12.9
Max Rating of Over Current Protective
Device - Amps
18 23.2 23.2 23.2
Maximum Fuse or Circuit Breaker Size 15 20 20 20
Motor HP [W] 1/2 [373] 3/4 [559] 3/4 [559] 3/4 [559]
Blower (D x W) in [mm] 11 x 7 [279 x 178] 11 x 7 [279 x 178] 11 x 10 [279 x 254] 11 x 10 [279 x 254]
Blower Motor Type EcoTech / ECM Type
Pump Type Wet Rotor
Pump Power Supply (V - HZ - PH) 115 - 60 -1
Pump Motor RLA/LRA - Amps 1.8
Pump HP [W] 1/8
Pump Maximum Working Pressure psi [kPa] 125 [861]
Min/Max Working Temperature °F [°C] 160 [71]
Water Connection Type Copper Studs
Inlet Water Connection Diameter in [mm] 3/4 [19]
Out Water Connection Diameter in [mm] 3/4 [19]
Return Air Filter Size in [mm] 12 x 16 [305 x 406] 16 x 24 [406 x 609]
Standard High Velocity Filter Size
(L X W X H) in [mm]
15 3/4 x 25 x 1
[400 x 635 x 25]
22 3/4 x 25 x 1
[578 x 635 x 25]
Shipping Weight LBS [kg] 116 [52.6] 126 [57.2] 146 [66.2] 153 [69.3]
General Data—Eco Tech™(ECM) Models
U.S. and Canadian Models
IMPORTANT
: BEFORE PURCHASING THIS APPLIANCE, READ IMPORTANT ENERGY COST AND EFFICIENCY
INFORMATION AVAILABLE FROM YOUR RETAILER.
[ ] Designates Metric Conversions
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