Submittal Sheet

Water Flow Requirements
Electrical
Data
All Sizes
with Low Loss Header without Low Loss Header
Voltage 120 V 120 V
FLA .70 A .20 A
MCA .9 A .25 A
MOP 15 A 15 A
Minimum Clearances
Left + Right Sides Front Flue and Rear Top
Size inches cm inches cm inches cm inches cm
ALL 4 10 2 5 6 15 20 51
Minimum
Clearances
from
Adjacent
Construction
Temperature Rise
15°F 8°C 20°F 11°C 25°F 14°C
Size Flow Rate Headloss Flow Rate Headloss Flow Rate Headloss
gpm l/s ft m gpm l/s ft m gpm l/s ft m
50 5.3 0.3 0.3 0.1 4.0 0.3 0.2 0.1 3.2 0.2 0.1 0.1
75 8.0 0.5 0.6 0.2 6.0 0.4 0.3 0.1 4.8 0.3 0.2 0.1
100 10.7 0.7 1.3 0.4 8.0 0.5 0.7 0.2 6.4 0.4 0.5 0.2
125
*
13.3 0.8 2.2 0.7 10.0 0.6 1.3 0.4 8.0 0.5 0.8 0.2
150
*
17.0 1.1 2.5 0.8 12.8 0.8 1.8 0.5 10.3 0.6 1.2 0.4
200
*
22.8 1.4 5.0 1.5 17.0 1.0 3.1 0.9 13.7 0.9 1.9 0.6
*Models125-200shipwithalowlossheaderwithintegralpump,soaseparateboilerpumpdoesnotneedtobesizedoreld-supplied.
NOTES:
1. Shaded area represents typical temperature rise.
2.gpm=waterowingallonsperminute.
3.l/s=waterowinliterspersecond.
4. ft = pressure drop (headloss) through the boiler in feet of water.
5. m = pressure drop (headloss) through the boiler in meters of water.
Sizing
Data
Heating Capacity AFUE % Water Gas
Input Nat Gas Conn. Conn.
Size MBTU/h kW MBTU/h kW % in. in.
50 50 14.7 42 12.6 84 1-1/4 3/4
75 75 22.0 63 18.8 84 1-1/4 3/4
100 100 29.3 84 24.9 84 1-1/4 3/4
125 125 36.6 105 31.1 84 1-1/4 3/4
150 150 44.0 126 37.2 84 1-1/4 3/4
200 199 58.3 168 49.2 84 1-1/4 3/4