www.hotwater.com
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.
CIRCULATING LOOP HEAT EXCHANGERS
Residential Heating
Page 2 of 2
AOSRG46600
DOUBLE WALL
HEAT EXCHANGER
SINGLE WALL
HEAT EXCHANGER
MODEL
BTUH
GPM
PD (FT.)
RXLD-28
28,000
2.8
1.0
BTUH
GPM
PD (FT.)
BTUH
GPM
PD (FT.)
160
0
F SOURCE (TANK)
150
0
F SOURCE (TANK)
140
0
F SOURCE (TANK)
RXLD-52
RXLS-52
RXLS-28
28,000
52,000
52,000
5.2
2.8
5.2
0.9
0.7
1.3
30,000
3.0
1.1
1.1
1.1
1.7
5.5
3.6
6.0
55,000
36,000
60,000
COIL & AIR HANDLER APPLICATION - HEAT EXCHANGER SELECTION TABLE
RADIANT FLOOR APPLICATION - HEAT EXCHANGER SELECTION TABLE
140
0
F SOURCE (TANK)
MODEL
BTUH
GPM
PD (FT.)
150
0
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
160
0
F SOURCE (TANK)
BTUH
GPM
PD (FT.)
55,000
79,000
68,000
95,000
5.5
2.3
6.8
9.6
3.7
0.5
4.3
8.5
5.3
4.1
8.9
6.2
6.5
11.1
9.8
11.6
65,000
110,000
98,000
115,000
3.0
2.4
2.3
3.6
4.9
8.3
5.0
8.4
48,000
82,000
50,000
84,000
1.3
0.7
0.9
1.0
2.8
5.2
5.2
2.8
28,000
28,000
52,000
52,000
RXLS-52
RXLD-52
RXLS-28
RXLD-28
HEAT EXCHANGER
SINGLE WALL
HEAT EXCHANGER
DOUBLE WALL
HEAT EXCHANGER PRESSURE DROP
For Secondary Loop Flow Calculations
PROMAX SL WATER HEATER
CROSS-REFERENCE
GCVH-40L
GCVT-50L
GCVX-50L
GCV-65L
FCG-75L
29,600
38,000
50,050
49,400
57,000
OUTPUT
MODELS
PROMAX SL
WATER HEATER
STANDARD
VENT
DIRECT
VENT
POWER
VENT
POWER
DIRECT
VENT
30,780
40,500
44,550
39,000
39,500
49,400
64,000
30,400
47,450
53,200
GPD-40L
GPDX-50L
GPD-75L
GPVT-40L
GPVT-50L
GPVX-50L
GPS-75L
GDV-40L
GDVT-50L
GDV-75L
June 2010R
®
226338_AOSRG46600.indd 2
226338_AOSRG46600.indd 2
6/24/10 3:17 PM
6/24/10 3:17 PM
