Installation Manual

ManualsBrandsTakagi ManualsCooling & Air QualityT-H2-DV Tankless Water Heater, Direct Vent (Propane)

Installation

16│Page

‐Additionalclearances‐

Pleasefollowalllocalandnationalcodesinregardstoproperterminationclea rances.Intheabsenceof

suchcodes,thefollowingclearancescanbeusedasguidelines.Localcodessupersedetheseguidelines.

Forsidewallterminations



Exhausttermination

1ft.

2ft.

Inside

corner

Formultiplesidewallexhaust

terminations(e.g.multi‐unit

systems),anexhausttermination

mustbeatleast1ft.awayfrom

anotherexhaustterminati on.An

exhaustterminationmustalsobe

atleast2ft.awayfromaninside

corner(iftheadjacentwallisless

than2ft.oflength,theminimum



requireddistanceawayfromthe

insidecornerwillbeequaltothe

lengthofthatadjacentwall).

Fordirect‐ventsidewall

terminationsthatusetwo

separatepenetrationsforthe

intakeandexhaust,distance

theintakeandexhaust

terminationsatleast3ft.away

fromeachother,nomatterthe

orientation.

Formultiple‐unit,direct‐ventsidewall

terminationsthatcombinetheintake

andexhaustintoasinglepenetration,

spaceeachdirect‐ventterminationat

least1ft.awayfromeachother,no

mattertheorientation.Adirect‐vent

terminationmustalsobeatleast2ft.

awayfromaninsidecorner(if

the

adjacentwallislessthan2ft.of

length,theminimumrequired

distanceawayfromtheinsidecorner

willbeequaltothelengthofthat

adjacentwall).

Formultiple‐unitrooftopterminations(whetherforstandardindooror

direct‐ventinstallations)spaceallexhaustandintaketerminationsin

accordance

withlocalcodes.Anexhaustterminationmustbespacedfrom

awallorsurfaceinaccordancewithlocalcodesaswell.Intheabsenceof

suchacode,anexhaustterminationmustbeahorizontaldistanceofat

least2ft.awayfromawallorsurface.

A:inaccordancewith

localcodes

Forrooftopterminations



Airintake

Exhaust termination

A

A

2ft.

Airintake

Exhaust

termination

Exhaustand/ordirect‐vent

sidewallterminationsshould

beatleast2ft.awayfroman

oppositesurface/wall.Do

notplacethetermina tion

directlyinfrontofan

openingintoabuilding.

2ft.

Exhaust

termination

Airsupplyinlet

3ft.

Directventtermination

1ft.

Inside

corner

2ft.