Brochure

26
DEN/DEL Electric
Dura-Power
™
Models
The Dura-Power
™
DEN (standard upright) and DEL (lowboy) series is available
with tank capacities from 6 through 119-gallons. They can be installed for non-
simultaneous and single element operation (maximum input up to 6 KW), or for
simultaneous dual-element operation (maximum input up to 12 KW).
Zinc-Plated Copper Sheath
Heating Elements Standard

Medium-watt density design
disperses element temperature
over larger surface contact area
to minimize scale build-up,
maximize efficiency and prolong
element life

Element options from 1.5 kW to 6
kW (non-simultaneous or
simultaneous operation),
recoveries from 6 GPH to 49 GPH
at 100°F rise
Standard Voltages For Easy
Installation

120V, 277V single-phase, and
208V, 240V and 480V unbalanced
3-phase delta

Easily converted to single-phase
at terminal block (except for 208V
with 6000W elements)

Single-element heater, single-
phase only (see chart for dual-
element options)
Factory-Installed
Terminal Block

Provide electrical service to
heater and connect to block
(not supplied on 120V and
277V models)
Factory-Wired Controls

Temperature control (adjustable
from 110°F to 170°F on single
element; 120°F to 180°F on
dual-element models)

Manual reset high temperature
cutoff per element
(dual-element models)

Factory-wired for non-
simultaneous operation;
easily converted to simultaneous
operation (3-phase models only)
Glasslined Tank

Provides long-lasting protection
against corrosion

Equipped with anode rod for
additional protection against
corrosion
Compliance

Meets the standby loss
requirements of the U.S.
Department of Energy and
current edition of
ASHRAE/IESNA90.1
Maximum Hydrostatic
Working Pressure: 150 PSI
3-Year Limited Tank Warranty

5-year limited tank warranty
optional
GAL .
MODEL KILOWATTS HEIGHT DIA. APPROX SHIP
NO CAP. MAXIMUM WEIGHT
DEL MODELS
DEL-6S 6 2.5 15-1/2 14-1/4 35
DEL-10S 10 6 18-1/4 18 52
DEL-15S 15 6 26 18 66
DEL-20S 20 6 22-1/4 21-3/4 86
DEL-30D 30 12 30-7/8 21-3/4 104
DEL-40D 40 12 32-1/4 24 170
DEL-50D 50 12 32-1/4 26-1/2 166
DEN MODELS
DEN-30D 30 10 34-1/2 20-1/2 95
DEN-40D 40 12 45-1/8 20-1/2 110
DEN-52D 50 12 54-7/8 20-1/2 128
DEN-66D 66 12 60-3/4 21-3/4 167
DEN-80D 80 12 59-3/8 24 206
DEN-120D 119 12 62-7/16 29-3/8 331
All dimensions in inches
*S denotes Single Element D denotes Dual Element
AOSCA80000 R Oct 2011 Com Catalog:108078_ResidentialFul#7A635.qxd 10/28/11 5:51 PM Page 26