MACH
®
C750-C1050 Outdoor Boilers
6
2.3 PVC
A
IR
I
NLET
P
IPE
A
SSEMBLY
See Drawing # BP00000218
1. Assemble 6” PVC “SD type” air inlet piping assembly.
Assemble 4” long straight pipe (ITEM
#7), to 90 degree elbow (ITEM #6) to 27” long straight pipe (ITEM #5), using approved PVC
cleaner and solvent.
2. Place the assembled inlet pipe over the inlet collar, position pipe to be straight and parallel to
the back of the boiler and secure using (3) #6 x ½” self tapping screws (ITEM#8) evenly
spaced around the pipe. Silicone (customer supplied) around the seam of the PVC pipe and
collar.
3. Install screen (ITEM #4) in top of inlet vent.
Silicone seal
seam between
collar and pipe.
Check that pipe is
square & parallel to
the back of the boiler.
Secure pipe to
collar with (3) #6
x ½” self tapping
screws, evenly
spaced.