Install Instructions

FIG. 4
CAUTION:
Screw the device into the TEE fitting as shown. Care
must be taken to properly orient the device for the
direction of the flow. Do not tighten by grasping the
switch enclosure. Use the wrenching flats on the
bushing only. Turning radius required for mounting
the IFSW1/W2 is 3.188".
FIG. 5
Use the drawing at
right as a template
and trim at the dot-
ted arc when trim-
ming the appropriate
paddle for interme-
diate pipe sizes.
CAUTION:
The paddle must not
touch the inside of
the pipe or bind in
any way.
NOTE:
When installing rigid
paddles, do not
stack paddles. Only
install ONE paddle
that best fits the pipe.
FIG. 3
Typical paddle arrangement
for 6" to 8" pipe, using smaller
flexible paddles for added
support and higher sensitiv-
ity.