A.O. Smith AOSRG45300 User Manual
Residential gas water heaters
PROMAX PLUS HIGH EFFICIENCY FEATURES
MEETS ENERGY-EFFICIENCY REQUIREMENTS
FOR MOST GAS UTILITY REBATE PROGRAMS
2"-thick CFC-free foam insulation, external heat traps and other
energy-saving features produce minimum .62 Energy Factor, which
meets Energy Star Home Program recommendations and California
Title 24 requirements.
6-YEAR LIMITED TANK AND PARTS WARRANTY
For complete information, consult written warranty or A.O. Smith Water
Products Company.
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 by up to 33%, complies with
Southern California and Texas requirements.
COREGARD™ ANODE ROD
An A.O. Smith exclusive. Aluminum anode has stainless steel core, protects tank
against corrosion longer than ordinary mild steel anodes.
PUSH-BUTTON PIEZO IGNITER
Makes lighting pilot fast and easy with one-hand push-button spark ignition.
Standard on C3 Technology™ models.
DURABLE TAMPER-RESISTANT BRASS DRAIN VALVE
A.O. SMITH PERMAGLAS
®
GLASS COATING
Protects steel tank from rust.
FACTORY-INSTALLED TEMPERATURE
AND PRESSURE (T&P) RELIEF VALVE
Top-mounted T&P valve available as option on all models.
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.
See other side.
HIGH EFFICIENC
HIGH EFFICIENCY
PL U S
+
®
Residential Gas Water Heaters
Revised May 2008
EQUIPPED WITH C3 TECHNOLOGY
AOSRG45300
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