Brochure

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COMMERCIAL ELECTRIC
DEN/DEL ELECTRIC DURA-POWER
6 gallon model not available above 3.0 kW.
Single element heaters available in single phase only.
Element Wattage (Upper/Lower)
U. S. Gallons/Hr at Temperature Rise Indicated
100
Non-Simultaneous Operation
/1500
GPH 6
/2000
GPH 8
/2500
GPH 10
3000/3000
GPH 12
4000/4000
GPH 16
4500/4500
GPH 18
5000/5000
GPH 20
6000/6000
GPH 24
Simultaneous Operation
3000/3000
GPH 24
4000/4000
GPH 32
4500/4500
GPH 36
5000/5000
GPH 41
6000/6000
GPH 49
Glasslined Tank
Thirteen sizes, 6 thru 119 gallon capacity.
Tank interior is coated with glass specially
designed by A. O. Smith for water heater use.
Elements
Zinc plated copper sheaths for longer life.
Medium watt density means lower surface
temperature to minimize scale build-up and more
surface to heat water. Element sizes from 1.5 to
6 KW. Maximum input 12 KW
Standard Voltages
120, 277 single phase and 208, 240 and 480V
unbalanced three-phase delta; easily converted
to single-phase at terminal block (except 208V
with 6000 watt elements). Single element heater,
single-phase only.
Terminal Block
Factory-installed. Just bring the service to heater
and connect to block. Terminal block not supplied
on 120V & 277 volt models. (No junction box
on DEL6-20)
DEN-40
DEL-30