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R
D
H
RD
H
L
E
D
OM
SIZE GPM
T P FT
GPM
T P FT
CONN GPM
T P FT
GPM
T P FT
CONN
0133*
22 10 14.7 10 22 3.3 1-1/4"
0
182/0181
45 7 9.2 20 15 1.8
1-1/2"
0
260/0261
45 10 9.4 20 22 1.9
1-1/2"
0
330/0331
45 12 9.6 20 28 1.9
1-1/2"
0
400/0401
45 15 9.8 20 33 2.0
1-1/2"
0514
90 9 9 40 21 1.8
2"
0624
90 12 9.5 40 26 1.9
2"
0724
90 13 10 40 30 2.0
2
"
0824
90 15 10.5 40 34 2.1
2"
0926
90 17 11 40 38 2.2
2 1/2"
200 8 9.7
90 17 2.1 3"
0962
90 18 11 40 39 2.2
2 1/2"
200 8 9.7
90 18 2.1 3"
1083
90 20 12 44 40 2.9
2 1/2"
200 9 10.3
90 20 2.3 3"
1125
90 20 12 46 40 3.1
2 1/2"
200 9 10.3
90 20 2.3 3"
1178
90 21 12.5 48 40 3.6
2 1/2"
200 10 11
90 21 2.4 3"
1223
90 22 12.5 50 40 3.9
2 1/2"
200 10 11
90 22 2.4 3"
1287
90 23 13.2 53 40 4.5
2 1/2"
200 11 11.7
90 23 2.5 3"
1336
90 24 13.2 55 40 4.9
2 1/2"
200 11 11.7
90 24 2.5 3"
1414
90 26 14 58 40 5.8
2 1/2"
200 12 12.2
90 26 2.7 3"
1468
90 27 14 60 40 6.2
2 1/2"
200 12 12.2
90 27 2.7 3"
1571
90 29 14.5 64 40 7.3
2 1/2"
200 13 13
90 29 2.8 3"
1631
90 30 14.5 67 40 8.1
2 1/2"
200 13 13
90 30 2.8 3"
1758
90 32 15.4 72 40 9.7
2 1/2"
200 14 14.7
90 32 3 3"
1826
90 33 15.4 75 40 10.6
2 1/2"
200 15 14.7
90 33 3 3"
2100
200 17 14.8 90 38 3.2
3"
400 9 18
180 19 4 4"
2500
200 20 15.8 102 40 4.3
3"
400 10 18.8
180 23 4.1 4"
3001
200 25 16.7 123 40 6.5
3"
400 12 19.5
180 27 4.3 4"
3500
200 29 17.5 144 40 9.3
3"
400 14 20.5
180 32 4.5 4"
4001
200 33 18.7 164 40 12.8
3"
400 16 21.5
180 36 4.7 4"
MAXIMUM AND MINIMUM FLOW RATES
N
I
M
N
IM
X
A
MMAX
2
-PASS HEAT EXCHANGER
1
-PASS HEAT EXCHANGER
GPM Flow rates limited by maximum acceptable velocity through heat exchanger tubes. May be increased by 10% for closed heating sys-
tems.
* 4 Pass Heat Exchanger
BOLD TYPE indicates Low NOx models.
Table H: Maximum and Minimum Flow Rates
58@"*=.<