Crown Boiler BWC151 Installation Instructions Manual page 50

TABLE 9.6: PIPE AND CIRCULATOR SIZING FOR INDIRECT WATER HEATER LOOP
(a)
BOILER PIPE
MODEL SIZE
(in NPT)
BWC070 1
BWC090 1
BWC120 1
BWC120 1
BWC151 1
BWC151 1
TABLE 9.6 NOTES:
1) Indirect water heaters with an asterisk (*) will not achieve their catalog rating due to inadequate boiler water flow
and/or inadequate boiler output.
FITTING
90 ELBOW
TURN IN TEE
RUN OF TEE
SWING CHECK
GATE VALVE
(b) (c)
MAX. I.W.H.
FLOW PRESSURE
DROP
(GPM)
(ft HEAD)
6.0 1.7
8.0 3.0
8.0 3.0
8.0 5.0
8.0 3.0
8.0 5.0
TABLE 9.7: FITTING EQUIVALENT LENGTHS
PIPE SIZE
1
1
1
1
1
(d)
CROWN INDI-
CIRCULATOR
RECT WATER
MODEL
HEATERS
MS-26 (*)
MS-40 (*)
Taco 008
MSH-40H (*)
MT040GBR (*)
MS-26
MS-40 (*)
Taco 0014
MSH-40H
MT040GBR (*)
MS-26
MS-40
MSH-40H
MT040GBR
Taco 0014
MT050GBR
MT065GBR
MT080GBR
MSH-53H Taco 0014
MS-26
MS-40
MSH-40H
MT040GBR Taco 008
MT050GBR
MT065GBR
MT080GBR
MS-53
MS-53H Taco 0014
MSH-79(*)
EQUIVALENT LENGTH (ft)
2.75
5.50
1.75
7.00
0.60
48
(e) (f)
I.W.H. LOOP MAX
EQUIVALENT
LENGTH
(ft)
122
78
108
70
49
150