Owner`s manual

29843-5-1012Page 22
Terminationclearanceforbuildingswithcombustibleandnoncombustibleexteriors.
Vertical Sidewall Installations
Important!Minimumclearancebetweenventpipesandcombustiblematerialsisthree(3in.)(76mm)ontop,and(1in.)(25mm)onbottom
andsides.
Important!Whenventterminationexitsthroughfoundationlessthan20in.(508mm)belowsidingoutcrop,theventpipemustextend
outwardsothatthehorizontalventterminalislocatedushto,orbeyondtheoutcropsiding.
Information on Various Venting Routes and Components
Important:Itisalwaysbesttolocatethereplaceinsuchawaythatminimizesthenumberofoffsetsandhorizontalventlength.
Sinceitisveryimportantthattheventingsystemmaintainitsbalancebetweenthecombustionairintakeandtheuegasexhaust,certain
limitationsastoventcongurationsapplyandmustbestrictlyadheredto.
The graph showing the relationship between vertical and horizontal side wall venting will help to determine the various vent lengths
allowable.
Thehorizontalventrunreferstothetotallengthofventpipefromtheuecollarofthereplacetothefaceoftheouterwall.
Themaximumhorizontalventrunis20ft.(457cm)whentheverticalventriseis8ft.(244cm).See Figure 21.
Ventingterminalsshallnotberecessedintowallorsiding.
Figure 31
TERMINATION CLEARANCES