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TABLE 8.5: PIPE AND CIRCULATOR SIZING FOR BOILER LOOP
BOILER MODEL
(a) (b) (c) (d)
PIPE SIZE FLOW
CIRCULATOR
MODEL
BOILER LOOP
MAX EQUIVALENT
LENGTH
(in NPT) (GPM) (ft)
BWC150 1 1/4 8.0 Taco 007 148
BWC150 1 1/4 8.0 Taco 0010 224
BWC225 1 1/4 12.0 Taco007 138
BWC225 1 1/4 12.0 Taco 0010 208
NOTE:
For piping method #1, “boiler loop” is heating system secondary loop
For piping method #2, “boiler loop” is heating system primary loop
TABLE 8.6: PIPE AND CIRCULATOR SIZING FOR INDIRECT WATER HEATER LOOP
BOILER
MODEL
(a) (b) (c) (d) (e) (f)
PIPE SIZE FLOW
MAX. I.W.H.
PRESSURE
DROP
CROWN INDIRECT
WATER HEATERS
CIRCULATOR
MODEL
I.W.H. LOOP MAX
EQUIVALENT
LENGTH
(in NPT) (GPM)
(ft HEAD)
(ft)
BWC150 1 1/4 8.0 3.0
MS-26, MS-40
MSH-40H
MT040G, MT050G
Taco 007 26
BWC150 1 1/4 8.0 3.0
MS-26, MS-40
MSH-40H
MT040G, MT050G
Taco 0010 165
BWC150 1 1/4 8.0 5.0
MS-53, MS-79
MSH053H (NOTE 1)
Taco 0010
96
BWC150 1 1/4 10.0 5.0 MT079G (NOTE 1) Taco 0010 38
BWC225 1 1/4 9.0 3.0
MS-26, MS-40
MSH-40H
MT040G, MT050G
Taco 007 90
BWC225 1 1/4 9.0 5.0
MS-53, MS-79
MSH053H (NOTE 1)
Taco 0010
97
BWC225 1 1/4 10.0 5.7
MT079G, MT100G
(NOTE 2)
Taco 0010
60
Note 1: MT100G or MS-119 can be installed with BWC150, Taco 0010 and up to 96ft of 1 1/4 piping, however catalog rating will not be achieved.
Note 2: MS-119 can be installed with BWC225, Taco 0010 and up to 60ft of 1 1/4 piping, however catalog rating will not be achieved.