Instantaneous Hot Water Heating Coils

Coil Number* For Use In The
Following Boiler Sizes:
Subject to Capacity
Limitation of Boiler
Rated Capacity
Gallons Heated 40° to 140°F
Boiler Water Temperature
180°F
GPM
180°F
GPH
212°F
GPH
INA-210 All Sizes 3.5 210 325
INA-300 All Sizes Except 4F-63 5.0 300 466
INA-360 All Sizes 6.0 360 560
INA-450 All Sizes Except 4F-63 7.5 450 700
INA-600 4F-154 and Larger, Also 4F-107 10.0 600 933
INA-750 4F-154 and Larger, Also 4F-107 12.5 750 1165
INA-900 4F-92 and Larger 15.0 900 1400
INA-1125 4F-154 and Larger 18.7 1125 1750
INA-1350 4F-277 and Larger, Also 4F-209 22.5 1350 2100
INA-1500 4F-345 and Larger 25.0 1500 2330

*Two coils of any size or combination may be installed in 4F-1157 and larger