Technical Documents
SUGGESTED SPECIFICATION
The hot water heater generator package shall be A. O. Smith model no. HWG____________ (V) or (H), (ESW) or (EDW) with____________ heating coil.
The jacketed, insulated storage tank shall be constructed and stamped according to ASME specifications for (125) psi working pressure. The unit shall be
designed to recover____________ GPH for a temperature of_____degrees F to________ degrees F when supplied with____________ GPM boiler water
entering temperature regulator at ________degrees F. The heating coil shall be constructed and stamped according to section VIII of ASME code. The tube
bundles shall be constructed of 3/4" O.D. 20 GA. deoxidized drawn copper tubing. The unit shall be controlled by one of three means: On-Off
MoValve____________, Three Way Modulating Valve____________, Thermostatically Operated Boiler Water Pump____________. The unit will be
completely factory assembled and furnished with the following standard components.
A storage tank ______" dia. x ______" long with ______ gallon capacity. Tank shall be insulated with 3" fiberglass insulation, R-value > 12.5. Tank shall
be jacketed with heavy gauge steel with a baked enamel finish. Tank shall be built to ASME section lined and furnished with an ASME temperature &
pressure relief valve. Heating coil built to Section VIII of ASME code. A tempregulator to be self actuated, direct acting. A bronze integral circulator pump
with copper soldered recirculation line and (2 valves. A drain valve and assembly. Jacket mounted temperature and pressure gauges, ASME temperature &
pressure gauges, a CSA Certified and ASME Rated T&P relief valve and a full length channel base and lifting lugs.
OPTIONAL EQUIPMENT IS AS FOLLOWS:
STORAGE TANK
Tank shall have 150 psi or 160 psi operating pressure, an ASME section VIII construction, a 4"x6" handhole, 11"x15" manhole, a cement or epoxy lining.
WATER TO WATER SECTION
Section shall have a self actuated or pneumatic operated temperature regulator and a bypass loop in boiler water line for temperature regulator isolation.
SPECIFICATIONS - STEAM TO WATER
The hot water heater generator package shall be A. O. Smith model no. HWG _____________ (V) or (H), (ESW) or (EDW) with ____________ heating coil.
The jacketed, insulated storage tank shall be constructed and stamped according to ASME specifications for (125) psi working pressure. The unit shall be
designed to recover ____________ GPH for a temperature rise of ________ degrees F to ________ degrees F when supplied with ________ psi steam
to the temperature regulator. The heating coil shall be constructed and stamped according to section VIII of ASME code. The tube bundles shall be
constructed of 3/4" O.D. 20 GA. deoxidized drawn copper tubing. The unit will be completely factory assembled and furnished with the following standard
components.
A storage tank ______" dia. x ______"long with ______ gallon capacity. Tank shall be insulated with 3" fiberglass insulation, with an R-value > 12.5.
Tank shall be jacketed with heavy gauge steel with a baked enamel finish. Tank shall be built to ASME section IV, glasslined and furnished with an ASME
temperature & pressure relief valve. Heating coil built to Section VIII of ASME code. A temperature regulator to be self actuated, direct acting. Main F&T
trap, main "Y" strainer and associated black steel pipe. A bronze integral circulator pump with copper soldered recirculation line and (2) bronze ball valves.
A drain valve and assembly. Jacket mounted temperature and pressure gauge. A CSA Certified and ASME Rated T&P relief valve and a full length channel
base and lifting lugs. Air vent and vacuum breaker.
OPTIONAL EQUIPMENT IS AS FOLLOWS:
STORAGE TANK
Tank shall have 150 psi or 160 psi operating pressure, an ASME section VIII construction, a 4"x6" handhole, 11"x15" manhole, a cement or epoxy lining.
STEAM TO WATER SECTION
Section shall have a pilot (spring, air, temperature) operated temperature regulator .
Page 4 of 4
AOSCG40000
www.hotwater.com
For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
®
Packaged Hot Water Generating
Systems - Steam / Hot Water
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