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CIRCULATING LOOP HEAT EXCHANGERS
COIL & AIR HANDLER APPLICATION - HEAT EXCHANGER SELECTION TABLE
MODEL
DOUBLE WALL
RXLD-28
RXLD-52
HEAT EXCHANGER
SINGLE WALL
RXLS-28
HEAT EXCHANGER
RXLS-52
RADIANT FLOOR APPLICATION - HEAT EXCHANGER SELECTION TABLE
MODEL
DOUBLE WALL
RXLD-28
HEAT EXCHANGER
RXLD-52
SINGLE WALL
RXLS-28
HEAT EXCHANGER
RXLS-52
HEAT EXCHANGER PRESSURE DROP
For Secondary Loop Flow Calculations
For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
June 2010R
www.hotwater.com
Residential Heating
®
140
0
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
28,000
2.8
1.0
0.9
52,000
5.2
2.8
28,000
0.7
52,000
5.2
1.3
0
140
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
28,000
1.0
2.8
52,000
5.2
0.9
0.7
28,000
2.8
52,000
5.2
1.3
150
0
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
30,000
3.0
1.1
55,000
5.5
1.1
1.1
36,000
3.6
60,000
6.0
1.7
0
150
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
48,000
4.9
3.0
82,000
8.3
2.4
50,000
5.0
2.3
84,000
8.4
3.6
PROMAX SL WATER HEATER
CROSS-REFERENCE
PROMAX SL
WATER HEATER
STANDARD
VENT
DIRECT
VENT
POWER
VENT
POWER
DIRECT
VENT
160
0
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
55,000
5.5
79,000
2.3
68,000
6.8
95,000
9.6
160
0
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
65,000
6.5
110,000
11.1
98,000
9.8
115,000
11.6
MODELS
OUTPUT
GCVH-40L
29,600
GCVT-50L
38,000
GCVX-50L
50,050
GCV-65L
49,400
57,000
FCG-75L
GDV-40L
30,780
GDVT-50L
40,500
GDV-75L
44,550
39,000
GPVT-40L
GPVT-50L
39,500
GPVX-50L
49,400
GPS-75L
64,000
30,400
GPD-40L
GPDX-50L
47,450
GPD-75L
53,200
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AOSRG46600
3.7
0.5
4.3
8.5
5.3
4.1
8.9
6.2
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