International, Inc.
Domestic Water Storage Tank
Specifications
Furnish and install AERCO Vertical Storage Tank as shown on plans in accordance with all codes and authorities
having jurisdiction. The Storage tank shall have a storage capacity of ______ gallons/______ diameter.
Storage tank shall be constructed in accordance with ASME Section IV, Part HLW for a working pressure not less
than 125 psig (30” or larger models); 150 psig (24”/28” models). 119 gallon model may be specified as Non-code.
The tank shall be lined with porcelain enamel (glass) with maximum operating temperature not less than 180ºF. The
tank shall include 25 grams of magnesium anode per square foot surface area.
The storage tank shall be one of the following types:
____ Accumulator Storage Tank (210/340/505 gallons) – shall be supplied with 1” NPT thermometer connection.
____ Stratified Storage Tank (210/340/505 gallons) – shall be supplied with 1” NPT thermometer connection; shall
be supplied with a dispersion tube or baffle at the cold water inlet to achieve a thermal boundary layer;
dispersion tube is supplied on models with threaded cold water inlet connection and a baffle is supplied on
models with flanged connection.
____ Standard Storage Tank – dispersion tube optional for 30” diameter or larger.
Optional Flange connections for 30” or larger models:
3” 150 lb Flg. ___hot water ___top circulation ___bottom circulation
4” 150 lb Flg. ___hot water ___top circulation ___bottom circulation
6” 150 lb Flg. ___hot water ___top circulation ___bottom circulation
8” 150 lb Flg. (for Standard Storage Tanks only) ___hot water ___top circulation ___bottom circulation
Optional Construction:
____ Double Glass Lining (10-yr warranty) – available for 30” or larger models
____ 150 psi working pressure
Optional Insulation:
____ High-density spray polyurethane foam rigid insulation (2.25” thick, R-16) with two coats of water proof 100%
acrylic topcoat – available for 30” or larger models
____ High density foam insulation (2” thick; R-12.5) with sturdy, heavy gauge steel jacket.
Optional Pressure Only Relief Valve (Shipped Loose):
125 psi (Available for 30” or larger models)
____ 3096 MBH
____ 5011 MBH
____ 8668 MBH
150 psi (Use for 150 psi Construction)
____ 3655 MBH
____ 5916 MBH
____ 10234 MBH (for 30” or larger models)
The storage tank shall carry a limited warranty that covers both the glass liner and tank for leakage or other
malfunction caused by defects in materials and/or workmanship. This limited warranty runs from date of installation
(or without proof of installation, from three (3) months after the date of manufacture) for a period of:
5 years (Standard Construction)
10 years (Double Glass lining Construction)
Rev. 9/22/14
SPEC-ST