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ProMax® Direct-Vent Features
DIRECT-VENT DESIGN
One-pipe, dual-channel closed-combustion system draws all make-up air
from outside the home, eliminating problems caused by insufficient indoor
ventilation, and is FVIR compliant
Horizontal air intake and venting on all models up to 80 inches from
outside wall, with no electrical power needed.
A. O. SMITH DYNACLEAN™ DIFFUSER DIP TUBE
Helps reduce lime and sediment buildup, maximizes hot water output.
Made from long-lasting PEX cross-link polymer.
GREEN CHOICE™ GAS BURNER
Patented “eco-friendly” design reduces NOx emissions up to 33% and
complies with Southern California and Texas requirements.
PUSH BUTTON PIEZO IGNITER
Makes lighting pilot fast and easy with one hand push button spark
ignition.
HEAT TRAP NIPPLES Factory installed.
DURABLE TAMPER-RESISTANT BRASS DRAIN VALVE
A. O. SMITH PERMAGLAS
®
GLASS COATING
Protects steel tank from rust.
FACTORY-INSTALLED TEMPERATURE & PRESSURE (T&P)
RELIEF VALVE
6-YEAR LIMITED TANK & PARTS WARRANTY
For complete information, consult written warranty or A. O. Smith Water
Products Company.
CODE COMPLIANCE: UBC, CEC, SBCC, CABO, HUD, BOCA
NATIONAL CODES, ASHRAE/IES 90.1-1999 AND 2004 NAECA
DESIGN-CERTIFIED BY CSA INTERNATIONAL
According to ANS Z21.10.1 standards governing storage-type water
heaters.
AOSRG45700
Residential Gas Water Heaters
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DIRECT-VENT
Revised April 2008
194454_AOSRG45700 4/14/08 10:58 AM Page 1