Waiwela 7.4 Series Specifications

whole house
residential
7.4
gas tankless
series
water heater
FREE
Lifetime Technical Support
1.800.605.6542
RELIABILITY
With an average lifetime of 20 years
or more, you can be sure your
tankless water heater will pay for
itself in energy savings alone.
EASY INSTALLATION
• With Tankless Installation Valves
(TIV)
• Compact walL-mounted design
saves valuable floor space
• Versatile venting
HIGHER STANDARDS
• Low NOx Emissions
• Safety Engineered
• Energy Efficient
• Built-in Diagnostics & Usage
Record
ENERGY EFFICIENCY
• Government Tests Show that WaiWela 7.4 Series Tankless
Water Heaters use:
• 29% less energy than most 50 gallon tank-type heaters
• 40% less energy than most 100 gallon tank-type heaters
• 84% Efficiency Rating; DOE Energy factor of 0.82.
• Uses energy only when hot water is demanded.
HOT WATER PERFORMANCE
temperature rise ( ° F)
Gallons Per Minute
Gallons Per Hour
SAFETY ENGINEERING
WaiWela's 7.4 Series includes safety engineering not found
on other brands, such as:
• ICAD
monitors combustion for evidence of unsafe carbon
monoxide (on all indoor and direct vent models).
• Overheat limiter Wrap
combustion chamber, detecting overheating.
• Flame Failure Safety Monitor
firing and detect flame failure.
• Anti-Scald Protection:
temperature 1 20 ° F. When on, Bath Controller takes priority.
While hot water is running, Bath Controller maximum
temperature cannot be raised above 112 ° F.
• Anti-Boil Protection
• Freeze Protection to -30
CONVENIENCE
• Digital controller
immediately and precisely with the touch of a button and
functions as a diagnostic display.
• Endless Hot Water
RESIDENTIAL WARRANTY
• 12 Year
• 5 Year
• 1 Year
ICAD
™
CO SAFETY
R
E NG I NE ER E D
35 45
8.5 7.4
510 444
™ : Our proprietary safety system that constantly
:
: Temperature Sensor.
changes temperature settings
Never run out of hot water again.
Limited Warranty on Heat Exchanger
Limited Warranty on Parts
Limited Warranty on Service
MULTIready
R
R
R
R
scalable systems
cold climate performance*
*2 simultaneous uses in a cold climate
warm climate performance**
**Up to 3 simultaneous uses in a warm climate
50 60 70 77
6.6 5.5 4.7 4.3
396 330 282 258 246 222
Above estimates are for sizing purposes only
Resin film surrounds the
: Flame Rods ensure proper
Bath Controller maximum
° F
R R
DUOnex ™
ready
80 90 100
4.1 3.7 3.3
198
$300
Up to
Home Energy Improvement
Federal Tax Credit