Specifications

7
V Mounting The Boiler
CAUTION
This boiler weighs approximately 110 pounds:
• Two people are required to safely lift this boiler onto the wall mounting hook.
• Make sure that wall mounting hook is anchored to a structure capable of
supporting the weight of the boiler and attached piping when  lled with water.
Jurisdictions in areas subject to earthquakes may have special requirements
for supporting this boiler. These local requirements take precedence over the
requirements shown below.
A. Wall Mounting
1) Iftheboilerisinstalledonaframedwall,minimumacceptableframingis2x4studson16”centers.Theboiler
mountingholesareon16”centersforinstallationbetweentwostudsatthestandardspacing.Incaseswheretheboiler
cannotbecenteredbetweenthestuds,orwherethestudsarespacedcloserthan16”apart,theboilermaybeanchoredto
¾”plywoodorhorizontal2x4'sanchoredtothestuds.
2) 5/16”x2”lagscrewsandwashersareprovidedformountingthisboiler.Theselagscrewsareintendedformounting
theboilerdirectlyontostudscoveredwith½”sheetrock.Whentheboilerisattachedtoothertypesofconstruction,
suchasmasonry,usefastenerscapableofsupportingtheweightoftheboilerandattachedpipinginaccordancewith
goodconstructionpracticeandapplicablelocalcodes.
3) Makesurethatthesurfacetowhichtheboilerismountedisplumb.
4) Beforemountingtheboiler,makesurethatwallselecteddoesnothaveanyframingorotherconstructionthatwill
interferewiththeventpipepenetration.
5) Onceasuitablelocationhasbeenselectedfortheboiler,andanyneededmodicationshavebeenmadetothewall,use
Figure5.1tolocateholes“A”and“B”.Makesurethatthehorizontalcenterlineoftheseholesislevel.Holes“C”and
“D”mayalsobedrilledatthistimeoraftertheboilerishungonthewall.Ifthe5/16x2”lagscrewsareused,drill
3/16”pilotholes.
6) Cuttheopening/sinthewallfortheventsystem.Therecommendedholediameterforthestandard60/100mmcoaxial
ventpipeis4-3/8”.
7) Attachedthewallhanginghookusingthe5/16”x2”lagscrewsandwashers,orothersuitableanchorsasappropriate
(Figure5.2).Makesurethehookislevel.
8) HangtheboileronthewallhookasshowninFigure5.2.
9) IfnotalreadydoneinStep(4)locateanddrillholes“C”and“D”usingtheob-roundslotsinthebottommounting
ange.Securethebottomangetothewallusingthe5/16"x2”lagscrews,orotherfastenersasappropriate(Figure
5.2).
10)Verifythatthefrontoftheboilerisplumb.Ifitisnot,installwashersatholes“C”and“D”betweenthebottom
mountingangeandthewalltoadjust.
11) SeeSectionVII(“Venting)forinstructionsonattachingtheventsystemtotheboiler.
B. Floor Mounting
 ThisboilermaybemountedontheoorusinganoptionalpedestalkitavailablefromU.S.Boiler.Followthe
instructionsprovidedwiththiskittoassemblethepedestal,andattachittotheboiler.Whenthispedestalisused,the
boilermaybeinstalleddirectlyonanon-carpetedcombustibleoor.