Owner Manual

507332-02CPage 20 of 35 mrcool.com
Table 10.
Nominal Iron
inches (mm)
Internal
Diameter
(mm)
10
(3.048)
20
(6.096)
30
(9.144)
40
(12.192)
50
(15.240)
60
(18.288)
70
(21.336)
80
(24.384)
90
(27.432)
100
(30.480)
1/2
175 120 97 82 73 66 61 57 53 50
3/4 360 250 200 170 151 138 125 118 110 103
1 680 465 375 320 285 260 240 220 205 195
1-1/4 1400 950 770 660 580 530 490 460 430 400
1-1/2 2100 460 1180 990 900 810 750 690 650 620
2 3950 2750 2200 1900 1680 1520 1400 1300 1220 1150
2-1/2 6300 4350 3520 3000 2650 2400 2250 2050 1950 1850
3 11000 7700 6250 5300 4750 4300 3900 3700 3450 3250
NOTE
FIELD
PROVIDED
AND INSTALLED
Left Side Piping
(Standard)
Right Side Piping
(Alternate)
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT-OFF
VALVE
AUTOMATIC
GAS VALVE
(with manual
shut-off valve)
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT-OFF
VALVE
AUTOMATIC
GAS VALVE
(with manual
shut-off valve)
NOTE: ONLY
Figure 18.