A.O. Smith T-H3-DV User Manual

16 Page
-Two-pipe, direct-vent illustraons-
For details of the optional items, refer to the Installation manual for each optional item.
<How to install intake and exhaust venting (two-pipe, direct-vent) with the indoor models>
3" vent connecon
From 3" to 4" vent connecon
Installaon
Installaon Manual
3” coupling
Exhaust vent collar
(Female)
3” straight pipe
3” coupling
Intake vent collar
(Female)
3” straight pipe
1. Connect3"couplingsdirectlyonthe
exhaust and intake vent collar
of the water heater.
2. Connect3”straightpipestothe
couplings.
1. Connect3"x4"increasers
directly on the exhaust and intake
vent collar of the water heater.
2. Connect4”straightpipesto
the increasers.
4” straight pipe
3"x4" increaser
Exhaust vent collar
(Female)
Intake vent collar
(Female)
4” straight pipe
3"x4" increaser
Typical installaons using PVC, ABS, or polypropylene vent
Vercal Installaon
Roof
ashing
Roof
Fire stop
Horizontal Installaon
Wall
Connect between exhaust vent collar and piping.
Seetheinstruconsbelow.
Hanger
Hanger
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A.O. Smith T-H3-DV Specifications

General

Brand	A.O. Smith
Model	T-H3-DV
Category	Water Heater
Language	English