A.O. Smith Uninsulated Large Volume Storage Tanks Technical Manual

Commercial Storage Tanks

A. O. Smith commercial water storage tanks are designed for use with gas/electric 
water heaters and boilers to provide additional storage capacity for systems with large 
water draws. A. O. Smith glasslined storage tanks are designed and recommended for 
systems with operating temperatures up to 180°F.

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  All internal surfaces exposed to water are glasslined per ASME  

HLW procedures, using an NSF-approved glasslining compound

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  Glass is highly resistant to effects of temperature, corrosion  

and electrolysis

SIZES FROM 80 TO 1,000 GALLONS IN STOCK
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  All tanks in table on reverse side are normally carried in stock  

for immediate shipment, providing a fast solution for retrofit  
requirements

HORIZONTAL OR VERTICAL MOUNTING
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  A. O. Smith standard stock tanks (except the T-80S, T-120S and  

TL-500A) are shipped factory standard with leg sockets for  
vertical installation, but are also designed to have the proper  
inlet/outlet openings that allow horizontal installation

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  For horizontal installations, optional tank saddles are required  

(TL-500A is horizontal only) 

T-325 ASME RETROFIT SPECIAL
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  The T-325 ASME (34 x 84) is designed to provide maximum storage  

capacity and fit through a 36” door

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  For extra protection against corrosion

WORKING PRESSURES
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  Tanks tested at pressures assigned in accordance with working pressures shown in 

table on reverse side

CUSTOM TANKS
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  In order to offer storage tanks for immediate shipping, the A. O. Smith Standard  

Stock Tanks are offered with only those openings and features shown in the  
following tables

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  A. O. Smith also offers a full line of custom tanks from 80 to 12,500 gallons built to 

meet  your specifications and are available with many options such as various  
working  pressures, lifting lugs, handholes, manholes, special linings, special  
openings, factory jacket/installation, and built to military specifications

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  For custom tanks, please see the A. O. Smith Custom-Line HD storage tank  

spec sheet

 

A. O. Smith Corporation • 500 Tennessee Waltz Parkway • Ashland City, TN 37015 • 800-527-1953 Toll-free USA

 

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www.hotwater.com 

 Revised August 2014 

    

AOSTT35300 R Aug 2014 Storage Tank Spec.indd   1

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