Specification

02/18 FORM NO. THD-3197
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
Condensing Tankless Specifications
DESCRIPTION FEATURES ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO.
MODEL
NUMBER
GAS
INPUT
BTU/H TYPE
NUMBER
OF
BATHROOMS*
TEMP.
RANGE
MIN. FLOW/
ACTIVATION
GPM
GPM
@ 67°
RISE
MAX.
GPM
@45°
RISE
MAX.
MAX.
GPM
CONNECTION
HEIGHT WIDTH DEPTH
VENT
DIAM.
SHIP
WEIGHT
(LBS.)
UNIFORM
ENERGY
FACTOR
(UEF) WATER GAS
ECOH200DVLN-2
11,000-
199,900
Indoor
Direct Vent
4
85° to
140° F
0.26/0.40 5.7 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
ECOH200DVELN-2
(EcoNet
®
Included)
11,000-
199,900
Indoor
Direct Vent
4
85° to
140° F
0.26/0.40 5.7 8.5 9.5 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
ECOH200XLN-2
11,000-
199,900
Outdoor 4
85° to
140° F
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
ECOH200XELN-2
(EcoNet
®
Included)
11,000-
199,900
Outdoor 4
85° to
140° F
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
ECOH180DVLN-2
11,000-
180,000
Indoor
Direct Vent
3 - 4
85° to
140° F
0.26/0.40 5.2 7.7 9.0 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
ECOH180DVELN-2
(EcoNet
®
Included)
11,000-
180,000
Indoor
Direct Vent
3 - 4
85° to
140° F
0.26/0.40 5.2 7.7 9.0 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
ECOH180XLN-2
11,000-
180,000
Outdoor 3 - 4
85° to
140° F
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
ECOH180XELN-2
(EcoNet
®
Included)
11,000-
180,000
Outdoor 3 - 4
85° to
140° F
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
ECOH160DVLN-2
11,000-
157,000
Indoor
Direct Vent
3
85° to
140° F
0.26/0.40 4.6 6.7 8.4 3/4 3/4 27-1/2 18-1/2 9-3/4
2" or 3"
PVC 2-Pipe
82 0.93
ECOH160XLN-2
11,000-
157,000
Outdoor 3
85° to
140° F
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
Indoor Direct Vent
Outdoor
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
™
water treatment system. For more information on Tankless parts and accessories, see
the Parts and Accessories Catalog or call 866-720-2076.
*Basedonsimultaneousshowersusing2.5GPMowratepre-mixedwithcoldwaterline.Flowratesvarydependingon
temperatureofincomingcoldwaterandwaterheatersettemperature.Refertoow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.
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ECOH200models,
upto180,000BTU/hforECOH180models,upto157,000BTU/hforECOH160models.(Consultyourgassupplier)
Maximum Vent Length
(intake/outlet):
Temperature Rise (° F)
Model Number 35° 45° 50° 60° 67° 70° 80° 90° 100°
ECOH200 Water Flow (GPM) 9.5 8.5 7.7 6.4 5.7 5.5 4.8 4.3 3.8
ECOH180 Water Flow (GPM) 9.0 7.7 6.9 5.8 5.2 4.9 4.3 3.8 3.5
ECOH160 Water Flow (GPM) 8.4 6.7 6.0 5.0 4.6 4.3 3.8 3.3 3.0
Aboveestimatesareforsizingpurposesonly.
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.
29
1
/4"
(743 mm)
27
5
/8"
(702 mm)
3
3
/8"
(86 mm)
5
1
/2"
(140 mm)
6
1
/4"
(159 mm)
17
7
/
8
"
(454 mm)
18
5
/8"
(473 mm)
9
3
/4"
(248 mm)
2
1
/4"
(59 mm)
5
1
/2"
(140 mm)
6
1
/8"
(156 mm)
2
1
/8"
(54 mm)
3
7
/8"
(98 mm)
2
7
/8"
(73 mm)
4
1
/8"
(105 mm)
9
1
/2"
(241 mm)
1
1
/2"
(38 mm)
17
7
/8"
(454 mm)
18
5
/8"
(473 mm)
27
5
/8"
(702 mm)
9
3
/4"
(248 mm)
2
1
/4"
(59 mm)
5
1
/2"
(140 mm)
6
1
/8"
(156 mm)
2
1
/8"
(54 mm)
3
7
/8"
(98 mm)2
7
/8"
(73 mm)
4
1
/8"
(105 mm)
9
1
/2"
(241 mm)
1
1
/2"
(38 mm)
NUMBER
OF 90°
ELBOWS
MAXIMUM
LENGTH
OF 2"
STRAIGHT
PIPE
MAXIMUM
LENGTH
OF 3"
STRAIGHT
PIPE
0 or 1 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
10
9
8
7
6
5
4
3
2
1
0
Water Heater Flow Rate Curves
Delta T(F)
Flow Rate (GPM)
0 10 20 30 40 50 60 70 80 90 100
ECOH200 Max Flow
ECOH180 Max Flow
ECOH160 Max Flow