Commercial tankless series – Rheem GT-199PV User Manual
Page 3
COMMERCIAL TANKLESS SERIES
MAXIMUM HOT WATER FLOW RATE AND TEMPERATURE RISE
Temp. Rise (°F)
35
45
50
60
70
77
90
100
110
120
130
140
Water Flow (GPM)
8.5
7.4
6.6
5.5
4.7
4.3
3.7
3.3
3.0
2.8
2.6
2.4
CLEARANCE TO
COMBUSTIBLES
(inches)
MODEL
NUMBER
SIDE REAR
GT-199PV
1/2
0
12
GT-199X
1/2
0
12
GT-199DV
1/2
0
12
Minimum flow rate required to initiate heating cycle .66 gpm.
Above estimates are for sizing purposes only.
FRONT
TOP &
BOTTOM
RHEEM-RUUD GT-199 MANIFOLD INSTALLATIONS
TEMP.
FLOW RATE (GPM)
RISE (°F)
1 UNIT
2 UNITS
5 UNITS
10 UNITS
15 UNITS
20 UNITS
140
2.4
4.7
11.9
23.7
35.6
47.4
130
2.6
5.1
12.8
25.5
38.3
51.1
120
2.8
5.5
13.8
27.7
41.5
55.3
110
3.0
6.0
15.1
30.2
45.3
60.3
100
3.3
6.6
16.6
33.2
49.8
66.4
90
3.7
7.4
18.4
36.9
55.3
73.7
80
4.1
8.3
20.7
41.5
62.2
83.0
77
4.3
8.6
21.5
43.1
64.6
86.2
70
4.7
9.5
23.7
47.4
71.1
94.8
60
5.5
11.1
27.7
55.3
83.0
110.6
50
6.6
13.3
33.2
66.4
99.6
132.7
45
7.4
14.7
36.9
73.7
110.6
147.5
35
8.5
17.0
42.5
85.0
127.5
170.0
Water Heater Flow Rate Curves
0
1
2
3
4
5
6
7
8
9
10
15
20
25
30
35
40
45
50
55
60
70
80
90
100
120
140
Delta-T
G
PM
Max Flow