Specifications

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9) PitchofHorizontalPiping-Pitchallhorizontalpipingsothatanycondensatewhichformsinthepipingwillruntowards
theboiler:
• PitchU.S.Boilerhorizontalconcentricventing5/8”perfoot
• PitchStainlesssteelventing1/4”perfoot.
10)SupportingPipe-Verticalandhorizontalsectionsofpipemustbeproperlysupported:
• SupportU.S.Boilerconcentricventingnearthefemaleendofeachstraightsectionofpipe.
 Exception:Verticalrunsofconcentricpipeinanunusedchimney(Figure7.36)needonlybesupportedattheterminal
andatthebaseoftherun.
• Supportstainlesssteelventingascalledforbytheventmanufacturer’sinstructions.
Figure 7.7: Snorkel Terminal Conguration