A.O. Smith Series 100/101 Leaflet

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HIGHEST RECOVERIES AND FIRST HOUR RATINGS
Capacity/input combinations up to 98 gallons/75,100 BTUs produce
recoveries up to 81 gallons per hour, with deliverable hot water up
to 150 gallons.
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
Texas requirements for NOx emissions.
COREGARD™ ANODE ROD
A. O. Smith’s exclusive aluminum anode has a stainless steel core, protects tank
against corrosion longer versus 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
THICK CFC-FREE FOAM INSULATION
Improves efficiency.
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 C3 Technology 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.
*75 and 100 models certified to ANS Z21.10.3
6-YEAR LIMITED TANK AND PARTS WARRANTY 
For complete information, consult written warranty or A. O. Smith Water Products
Company.
EQUIPPED WITH C3 TECHNOLOGY
®
See other side.
®
Residential Gas Water Heaters
Revised September 2008
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AOSRG45400
HEAT TRAP NIPPLES*
Factory installed on most models. 
Series 100/101
PROMAX
®
 PLUS HIGH RECOVER FEATURES
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