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6.5.4 Horizontal Vent Termination
• Use a condensation drain if necessary.
• In the Commonwealth of Massachusetts a carbon monoxide detector is required for all side wall horizontally
vented gas fuel equipment.
2 in. × 3 in. Increaser coupling is
required when using 3 in. (75 mm) pipe.
Exhaust
2 in. (50 mm)
or
3 in. (75 mm)
Intake
SV Conversion Kit
Accessory
(SV-CK-2)
Inlet Screen
≥ 3 in. Min.
• Insert Bird Screen in End
of Termination.
Bird Screen is not
supplied with water
heater, order separately.
• It is not necessary to use
Bird Screens with the
PVT-HL termination.
Either a tee or the PVT-HL
termination may be used for
the vent termination.
Hanger
Straps
Slope the horizontal
vent 1/4 in. upwards for
every 12 in. (305 mm)
toward the termination.
• Above Grade
• Maximum
snow level
≥ 12 in.
(305 mm)
Min.
2 in. pipe*
3 in. pipe
2 in. × 3 in. Increaser
coupling
* The length of the pipe between the
Increaser couplings and the Exhaust
and Intake Flue of the Water Heater
should be up to 6 in. (152 mm).
Venting the Water Heater
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