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Installation Manual
Page
14
Installation - Venting
3 inch venting installation
Vent connections for two-pipe
For details of the optional items, refer to "OPTIONAL ITEMS" on page 34.
1. Connect 3" couplings directly on the
exhaust and intake vent collar of the
micro-boiler. Make sure the couplings
engage the o-rings installed in the intake
and exhaust vent collars.
2. Connect 3" straight pipes to the
couplings.
1. Connect a 3" elbow directly on the
intake vent collar of the micro-boiler.
2. Connect a 3" coupling directly on the
exhaust vent collar of the micro-boiler.
Make sure the couplings engage the
o-rings installed in the intake and
exhaust vent collars.
3. Connect a 3" straight pipe to the
coupling.
Vent connections for single pipe
4 inch venting installation
Vent connections for two-pipe
For details of the optional items, refer to "OPTIONAL ITEMS" on page 34.
1. Connect 3" x 4" increasers directly on
the exhaust and intake vent collar of the
micro-boiler. Make sure the couplings
engage the o-rings installed in the intake
and exhaust vent collars.
2. Connect 4" straight pipes to the
increasers.
1. Connect a 3" elbow directly on the
intake vent collar of the micro-boiler.
2. Connect a 3" x 4" increaser directly on
the exhaust vent collar of the micro-
boiler. Make sure the couplings engage
the o-rings installed in the intake and
exhaust vent collars.
3. Connect a 4" straight pipe to the
increaser.
Vent connections for single pipe
* The micro-boiler came with a metal
screen that will t into a 3 inch elbow.
* The micro-boiler came with a metal
screen that will t into a 3 inch elbow.
3"coupling
Exhaust
vent collar
(Female)
3" straight pipe
3" coupling
Intake vent
collar
(Female)
3" straight pipe
3" coupling
3" straight pipe
Exhaust
vent collar
(Female)
* 3" elbow with
bird screen
Intake vent
collar
(Female)
4" straight
pipe
3"x4" increaser
Exhaust
vent
collar
(Female)
Intake vent
collar
(Female)
4" straight
pipe
3"x4"
increaser
4" straight pipe
3"x4" increaser
Exhaust vent
collar (Female)
* 3" elbow with
bird screen
Intake vent
collar
(Female)
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