Specifications

Chapter2
VentingRequirements
America’sFavoriteStovesSince1980 Page7

VENTING
Properventingofyourstoveisveryimportantforgoodcleanburnswithhighefficiency.Inaddition,ventingcan
haveadirectimpactuponthesafetyofyourstove.TheMahoganyWoodStoveisapprovedforusewithdouble
wallconnectorandthesamemanufacturers’chimneysystemasfollows:

SimsponDura
‐VentModelDVL
SelkirkMetalbestosDS
SecurityChimneysModelDL

1. ChimneymustcomplywiththerequirementsforTypeHTchimneysinthestandardforChimneys’
Factory‐Built,ResidentialTypeandBuildingHeatingAppliance,UL103,oracode‐approvedmasonry
chimneywithflueliner.
2. Installthechimneyin
accordancewithalloftheinstructionsprovidedbythechimneymanufacturer.
NOTE:Yourchimneymustcomplywithlocalbuildingandfirecodes.Checkwithyourlocalofficials
foradditionalrequirements.
3. Installthefirstpieceofpipe,crimped enddown,intothefluecollaronthestoveensuringanairtight
connection.Securewithscrewsthroughsideoffluecollar.Continuestackingpipeinthismanneruntil
withinreachofchimney.Useonlyanairtightslipjointtomaketheconnectiontothechimney.

Allhorizontalrunsofpipeshouldbeasshortas
possibleandarerequiredbyNFPANo.
211tohavean
upwardpitchorriseinthesamedirectionthesmoke
travelsofnolessthan¼”tothelinearfoot.The
connectorpipemustmeetminimumclearancesinany
directiontowallsorothercombustiblematerials.It
mustattachtoalistedmetalchimneyatleast
6”in
diameterwithaminimumthicknessof24gauge,orto
amasonrychimneywithafluepassageofatleast48
squareinches.

Itisrequiredthatachimneyconnectorpipenot
extendfurtherthantheinnerwallofthefluewhenit
isconnectedtoamasonry
chimney,andthatiteither
becementedtothemasonryorbeinstalledwithout
cementinathimbleconnectedtothemasonrywall.
Whentheconnectorisinsertedinathimble,thejoint
mustbetightenoughsothatitwillnotbedislodgedin
normaluse.Installtheconnectorat
nolessthanthe
minimumclearancesfromtheceilingwhenusinga90‐
degreeelbowtopassthroughcombustible
constructions.

Chimneyconnectorpipesshouldneverpassthrougha
floor,ceiling,firewall,andpartitionorcombustion
constructionofanytypeunlesscertainprecautions
aretaken.Thebestmethodistouse
alistedthimble
andalistedinsulatedchimneyinaccordancewiththe
manufacturer’sdirections.NFPANo.211and
CAN/CSA‐B365alsogivessomeapprovedmethodfor
passingafluepipethroughcombustibleconstructions.
Natural Draft
Thechimneyserves adualpurposeofdrawing
combustionairintothestoveandexhausting
combustionby‐products.Draftistheforcewhich
movesexhaustgasesupthechimney(hotairrises).As
theexhaustrisesupthechi mney,combustionairis
drawnintothestovetoreplaceit.Yourstove
relieson
naturaldraftforitsonlysourceofcombustionair.
Poordraftcancausepoorcombustionandsmoke.Too
muchdraftcancauseexcessiveburnratesandhigh
temperatureinthestove.Someofthethingsthat can
affectnaturaldraftingaresizeandlengthofthe
chimney,nearby
obstructions,andgeographical
location.YourBreckwelldealerwillbeabletohelp
youmatchyourstovetoaproperchimneysystem.
Negative Pressure
Thisstoveisnottobeoperatedinanegativepressure
area.Negativepressurecanbecausedbylarge
exhaustfansinairtighthomes,orbyairreturnfora
forcedairheatingsystemsinthesameroomasthe
stove.Thiscanleadtoba ckdraftingofthestove
pulling
combustionexhaustintotheroom.Anoutside
airsourceconnectedtothestovewillnoteliminate
thesourceofnegativepressure.Toeliminatenegative
pressureproblems,besureyourhomehasan
adequatemake‐upairsupply.