16
Page
For details of the op
tional i
tems, refer t
o the In
stalla
tion manual
for each Op
tional i
tem.
<How to install single vent>
3" vent
From 3" to 4" vent
1.
Connect
a 3" elbow directly
on
the i
n
take ve
n
t collar of the
micro-boiler.
2.
Connect
a 3" c
oupling
directly
on
the e
xhau
st ve
n
t collar of the
micro-boiler.
3.
Connect
a 3” straight pipe to
the c
ouplin
g.
Typical
using PVC, ABS, or polypropylene vent
1.
Connect
a 3" elbow directly
on
the i
n
take ve
n
t collar of the
micro-boiler.
2.
Connect
a 3"x4"
inc
reaser directly
on
the e
xhau
st ve
n
t collar of the
micro-boiler.
3.
Connect
a 4” straight pipe to the
inc
reaser.
3” c
oupling
3” straight pipe
Exhau
st ve
n
t collar
(Female)
3” elbow with
bird screen
I
n
take ve
n
t collar
(Female)
4” straight pipe
3"x4" inc
reaser
Exhau
st ve
n
t collar
(Female)
3” elbow with
bird screen
I
n
take ve
n
t collar
(Female)
Horizontal
Roof
Fire stop
Connect b
etw
een
e
xhau
st ve
n
t c
ollar and piping.
See the
below.
Roof
Elbow
Elbow
Wall