Direct-contact water heater specs

Firestorm™ direct-contact water heaters
Concrete products | Firestorm water heaters | Specifications


*Specifications subject to change without prior notice or obligation
Characteristics of Firestorm heaters
Model Output
Btu/hr
(million)
Mix Water Flow Rate (gpm) Approx. Dimensions (Length, Width, Height: inches) Burner Requirements
Temperature Rise (degrees F) L W H Nat. Gas (cfh) Propane (gph)
60 70 80 90 100 110 120
HHW-07 0.75 25 21 19 17 15 14 13 78 42 117 750 8.5
HHW-10 1 33 29 25 22 20 18 17 84 52 117 1000 11.3
HHW-16 1.6 53 46 40 36 32 29 27 88 55 117 1600 18.0
HHW-23 2.3 77 66 58 51 46 42 38 91 57 117 2300 25.9
HHW-40 4 133 114 100 89 80 73 67 117 65 117 4000 45.1
HHW-60 6 200 171 150 133 120 109 100 136 76 129 6000 67.6
HHW-80 8 267 229 200 178 160 145 133 144 84 129 8000 90.1
HHW-110 11 367 314 275 244 220 200 183 150 90 141 11000 123.9
HHW-140 14 467 400 350 311 280 255 233 156 96 141 14000 157.7

To pick the most suitable heater for your use you have to know the flow rate of the mix water and the temperature rise needed. From the top line, pick the temperature rise approximately the same as the temperature rise you need. In the column below the temperature rise you picked, find a flow rate approximately the same as the flow rate you need. The heater model most suitable for that temperature rise is shown on the same line.



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