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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.

DYNACLEAN™ DIFFUSER DIP TUBE

Helps reduce lime and sediment buildup, maximizes hot water output. Made from long-
lasting PEX cross-linked polymer.

GREEN CHOICE

® 

GAS BURNER 

Patented “Eco-Friendly” design reduces NOx emissions by up to 33% and complies with
less than 40 ng/j 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 anodes.

PUSH-BUTTON PIEZO IGNITOR

Makes lighting pilot fast and easy with one-hand push-button spark ignition.
Standard on FVIR compliant models.

DURABLE, TAMPER-RESISTANT BRASS DRAIN VALVE

THICK, “ENVIRONMENTALLY-FRIENDLY” NON-CFC FOAM INSULATION

Improves efficiency.

BLUE DIAMOND

®

 GLASS COATING

CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE

Top-mounted T&P Relief Valve available as option on FVIR compliant models. 

CODE COMPLIANCE

DESIGN CERTIFIED BY CSA INTERNATIONAL

ANSI Z21.10.1 - CSA 4.1 Standards governing storage-type water heaters.

6-YEAR LIMITED TANK AND PARTS WARRANTY 

For complete information, consult written warranty or A. O. Smith Water Products
Company.

FVIR COMPLIANT

See other side.

®

Residential Gas Water Heaters

Revised April 2011

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AOSRG45400

HEAT TRAP NIPPLES

Factory-installed on most models. 

Series 100/101

FEATURES

®

UBC, CEC, SBCC, CABO, HUD and BOCA National codes. Meets the thermal efficiency and
standby loss requirements of the U.S. Department of Energy and current edition of ASHRAE/IESNA
90.1 and meets the Federal Energy Efficiency Standards effective January 20, 2004, 
according to the National Appliance Energy Conservation Act (NAECA) of 1992.

Low Lead Content

Provides superior resistance compared to industry standard glass lining.

®

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