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15
Single pipe with room-air intake illustrations
Typical installation using PVC. ABS, or polypropylene vent
Horizontal Installation Vertical Installation
For details of the optional items, refer to the installation manual for each optional item.
<How to install single vent>
3” vent connection
1. Connect 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.
3. Connect a 3” straight pipe to the
coupling.
From 3” to 4” vent connection
1. Connect 3” elbow directly on the
intake vent collar of the micro boiler.
2. Connect 3” x 4” increasers directly
on the exhaust vent collar of the
micro boiler
3. Connect a 4” straight pipe to the
increasers.
Roof
Fire stop
Connect between exhaust vent collar and piping.
See the below.
Roof
Elbow
Elbow
Wall
3” coupling
3” straight pipe
3” elbow with
Exhaust vent collar
(Female)
bird screen
Intake vent collar
(Female)
4” straight pipe
3"x4" increaser
Exhaust vent collar
(Female)
3” elbow with
bird screen
Intake vent collar
(Female)
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