A. O. Smith HYB-90N User Manual
Residential Gas Hybrid
Water Heater
NEXT HYBRID® WATER HEATER
NEXT Hybrid® is the new milestone in water heating-built for the way
people ACTUALLY live and use hot water. It combines the best features
of tankless and conventional technologies to create a new category of
water heating.
ENERGY EFFICIENCY
Patented circulation system delivers 90% thermal efficiency, ensuring maximum
heat transfer, saving money on operating costs compared to a standard 78%
efficient conventional or 84% tankless gas water heaters.
Condensing design includes condensate drain trap
HYBRID TECHNOLOGY
Innovative technology that surpasses existing conventional and tankless designs
Patented water flow circulation system provides the performance of a tankless unit
with extremely quick recovery
First hour delivery of 189 gallons of hot water
Smaller than a conventional 50-gallon gas water heater, but with twice the hot
water delivery
Whole-home solution regardless of geography
IMPROVED HOT WATER DELIVERY
Continuous hot water shower after shower when properly sized for your home
No minimum flow rate for ignition
No cold water sandwich
Delivers hot water faster than tankless
Internal storage easily handles peak demand
SOPHISTICATED ELECTRONICS
User-friendly integrated temperature controller with LED numeric display allows for
precise temperature settings
Multiple Lifestyle Modes - Energy Saver, Vacation and Boost modes allow for simple
one-touch customization based on specific hot water needs
Safety lock feature deters unwanted access
Error code display for easy troubleshooting
LOWER INSTALLATION COSTS
Utilizes 1/2” gas line standard in most homes today
Extremely low exhaust temperature enables PVC venting for easier, more
economical installations
Less expensive venting material versus stainless steel venting used with most
tankless models
Hot and cold water connections similar to conventional tank-style models
POWER VENT DESIGN
Uses inexpensive PVC, CPVC or ABS pipe for exhaust (solid core only).
Canadian installations require ULCS636 listed PVC or CPVC pipe for venting.
Can be vented vertically thru-the-roof or horizontally thru-the-wall
2” pipe vents up to 50 equivalent feet
3” pipe vents up to 100 equivalent feet
HYB-90N
ANSI Z21.10.3
Low Lead Compliant
CSA 4.3
SIX YEAR LIMITED WARRANTY ON HEAT EXCHANGER, TANK AND PARTS
For complete warranty details, consult written warranty shipped with water heater
or contact A. O. Smith Water Products Company.
Revised January 2012
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AOSYG45000
Residential Gas Hybrid
Water Heater
FIRST
MODEL
HYB-90N 189 121 100,000 NAT 4.2 1.05 120/60 2.5 198/90
This gas-fired water heater is design certified by CSA International under American National Standard/CSA Standard
for Gas Water Heaters ANSI Z21.10.3 CSA 4.3 (current edition).
HOUR
DELIVERY
GALLONS
RECOVERY
90°F RISE
GALLONS
36-3/4”
INPUT MANIFOLD PRESSURE
BTU/HR GAS TYPE IN. WC kPA VOLTS/HZ AMPERES
47-3/8”
ELECTRICAL
CHARACTERISTICS
23-3/4”
28-1/2”
TOP VIEW
SHIPPING
WEIGHT
LBS/KGS
32”
2-1/2”
FRONT VIEW
For Technical Information and Automated Fax Service, call 800-527-1953. A. O. Smith reserves the right to make product changes or improvements without prior notice.
RIGHT SIDE VIEW
Revised January 2012
www.hotwater.com
Page 2 of 2
AOSYG45000
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