TH-CVPC33 Installation Manual
TakagiIndustrialCo.USA,Inc
5Whatney,Irvine,CA92618Tel:949.770‐7171Fax:949.770.3171
www.takagi.com
M‐002‐CVPVC33‐0
INSTALLATIONINSTRUCTIONS
Concentricventkitassembly
1. Oncetheproperlocationhasbeendetermined,cutaholeinthewalllargeenoughtoaccommodatethe
outerpipe.
2. SolventcementtheinnerpipetotheconcentricY‐fitting.
3. SolventcementtheouterpipetotheconcentricY‐fitting.
4. Slidetheassemblythroughthewallpenetration.
5. To permanently affix the termination cap, it should be solvent cemented to the inner pipe.For
installations where removal of the cap may be required for service or cleaning, it can be fastened
mechanicallywiththesuppliedscrew&nutset.Foreitherinstallation method, theouter pipe is
onlya
frictionfitwiththecap.
6. Oncethecapisinstalled,andthekitissecuredasoutlinedbelow,thekitcanbeconnectedtotheventing
system.
Installation/supportprocedures
1. Kitsmustbesecurelyfastenedtostructure,toensuredimensionsshownbelowaremaintained.
2. Straps are field supplied.Use straps, clamps, or equivalent that will not score or damage the pipe.
Expansionandcontractionshouldbeaddressedbetweenapplianceandterminationpoint.
3. All penetrations must be sealed according
to local codes.Caulking for sidewall terminations is typical.
UseonlyPVC/CPVCcompatiblesealingmaterial.
4. Theweightoftheconcentrickitsmustbesupportedbytheclamps/strapsandnotbytheventsystemit
connectsto.
Mechanicallyfastenedterminationcap
Ifthecapistobemechanicallyfastened,pleasefollowtheinstructionsbelow:
1. Locatethedrilllocationdimpleontheoutsideofthecap.
2. Atthis location,drill a3/16”holethrough the capand theinner pipe wall.Ensure thatthepath of the
holeisperpendicularto
theinnerpipe,NOTtheoutsideofthecap.
3. Insertthescrewandtightenthebolt.Donotovertighten.


