WITH CORRECT ANSWERS RATED A+
AWboilerWoperatesWatW150psiWandW225WdegreeWisWcalledW-WCORRECTWANSWERS-
LowWpressureWhotWwater
MinimumWdistanceWofWgasWfiredWapplianceWtoWbeWinstalledWinWaWpublicWgarageW-
WCORRECTWANSWERS-8'
MinimumWdistanceWfromWtheWroofWedgeWthatWwillWnotWrequireWguardWrailWwhenWanWapplianceWis
WinstalledWwhichWneedWroofWhatch,WprovidedWthatWtheWroofWisW8ftWfromWtheWgradeWlevel.W-
WCORRECTWANSWERS-10'
MinimumWclearanceWforWallWsidesWofWaWcentralWwarmWairWfurnaceWtoWbeWinstalledWinWaWnewWcon
structionW-WCORRECTWANSWERS-3"
MaximumWhorizontalWhangerWspacingWforWsteelWpipeWinWhydronicWsystemW-WCORRECTWANSWERS-
12'
EquipmentWinstalledWunderWfloorWshallWhaveWaWminimumWaccessibleWareWofW-
WCORRECTWANSWERS-22"X30"
MinimumWdepthWofWanWauxiliaryWdrainWpainWinWaWcondensateWdisposalW-WCORRECTWANSWERS-
1.5"
MinimumWdistanceWbetweenWaWreturnWairWopeningWofWaWfurnaceWandWanWapplianceWexhaustWve
ntWinWtheWsameWbuildingW-WCORRECTWANSWERS-10'
MinimumWexhaustWrateWofWresidentialWbathroomWwithWintermittentWventW-WCORRECTWANSWERS-
50cfm