Specification

PRINTED IN U.S.A. 01/19 WP FORM NO. TK-RCBH-A Rev. 1
2
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INTEGRATED HOME COMFORT
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
Temperature Rise (°F)
Model Number 30° 40° 45° 50° 60° 70° 80° 90° 100°
RCBH199DVLN Water Flow (GPM) 9.9 8.6 7.7 7.0 5.8 4.9 4.3 3.8 3.2
RCBH180DVLN Water Flow (GPM) 9.0 8.3 7.0 6.5 5.4 4.6 4.0 3.6 3.2
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Maximum Vent Length for Direct Vent (2 Pipe) Venting Materials Allowed: Schedule 40 PVC,
CPVC, PP
Number of
Water Heaters
Common Vented
PIPE SIZE
2" 3" 4"
1 50' 100' N/A
2 N/A 50' 83'
Dimensions
NOTE: Minimum vent length 7' for 2" and 3" venting.
Condensate
Neutralizer
Manifold Accessory Vent Screens Service Valves
CH Pressure
Relief Valve
(CH Line 3/4" 30 psi)
Outdoor
Temperature Sensor
Bracket and
Anchors
SP12151 – (Optional)*
Safely dispose
of condensate RTG20318 – (Optional)
SP20895 – 2" (Included)
SP20896 – 3" (Included)
RTG20220AB –
(Sold Separately) (Included) (Included) (Included)
Parts & Accessories
*Check your local plumbing codes
Height
28.7"
Width 17.3"
Depth
14.8"
4.0"
11.5"
4.6"
Top View
13.6"
10.2"
6.8"
3.2"
2.6"
5.4"2.4"
6.1"
Bottom View
Equivalent Elbow Lengths
in Ft. of Straight Pipe
2" 3"
90° 8' 5'
45° 4' 2.5'
0
1
2
3
4
5
6
7
8
9
10
10 20 30 40 50 60 70 80 90 100
Delta T(F)
Flow Rate (GPM)
Water Heater Flow Rate Curves
Venting
Water
Residential Gas
Combination Boilers
RCBH199DVLN
RCBH180DVLN
RCBH Pressure Loss
Pressure Loss (PSI)
60
55
50
45
40
35
30
25
20
15
10
5
0
0123456789101112
Flow Rate (GPM)
TK-RCBH-A Rev1 Combi Boiler SS.indd 2