A.O. Smith AJH-1000 Specification Sheet

AOSDG61020

Revised August 2008 

PG 1 OF 4

Commercial Gas Boilers

HOT WATER SUPPLY SYSTEM USING GENESIS

®

 BOILERS

With Ac-U-Temp, A. O. Smith makes it easy as possible to install a complete packaged hot water 

supply system, combining 84% efficient Genesis

®

 boilers with storage tanks up to 1,000 gallons. 

Each Ac-U-Temp system is custom-made to your specifications for each application and shipped 

fully assembled, pre-piped and pre-wired. All the installer has to do is make the flue, gas, 

electrical and water connections, so installations are easy.

Consult your A. O. Smith representative for more information on the wide range of available 

boiler/storage tank combinations using the Ac-U-Temp system.

GENESIS® BOILERS–UP TO 84% THERMAL EFFICIENCY

• Thehighestpossibleefficiencyforanon-condensingboiler

• Availableinputsrangefrom300,000to2,500,000BTU

• Flexibleconventional-ventorsealed-combustiondirect-ventoptions

• ForcompleteinformationonGenesis

®

 Hot Water Supply Boilers, 

consult Specification Sheet

GLASS-LINED STORAGE TANKS

• Standardcapacitiesupto1,000gallons

• Customtanksavailableupto10,000gallons

• Standardtanksarefactoryjacketedandinsulated–bareuninsulated

tanks also available

• Optionalcementorepoxy-linedtanksavailable

• Forcompleteinformationonstandardtanks,consulttankspec

sheet or see your local rep

MULTIPLE BOILER SYSTEMS

• Ac-U-Tempsystemscanbedesignedwithmultipleboilersto

provide50%–100%back-up

• Boilerscanbeon&offfired,orsequencedtomeetchangingsystemdemands

• Sequencedmulti-boilersystemswithsmallstoragetanksareidealforapplicationswith

relatively constant hot water demands

• Optionalsequencedcontrolpanelavailable

MULTIPLE TANK SYSTEMS

• Ac-U-Tempsystemscanbedesignedwithmultipletanksforapplicationswithlowceiling

heightsorotheruniqueinstallationchallenges

DUAL ENERGY SOURCE OPTION

• Storagetankscanbespecifiedwithheatexchangerstoallowwinter/summerheatingboiler

operation

• Water-to-waterorsteam-to-waterheatexchangersavailableinbothsingle-wallordouble-

wall design

• Completecontrolpackagescanbefactory-installedfor“hookupandrun”simplicity

OPTIONAL

MODELS 

GWT-300

through 

GWT-2500

CRN