Installation Sheet

FV250 Rev. A 7/25/18 Page 5
6. When all fl ush valves are connected to the fi xtures and water
pressure is available, it is recommended that the supply piping
be fl ushed to remove dirt, pipe chips, etc. from system. Before
the water is turned on, be sure all stop valves to the fl ush
valves are closed off tight. The stop valves can be opened
and closed by using the adjusting screw located at the center
of the stop valve cap, behind the stop snap cap screw cover
if already installed (see 6a). Stop valve adjustments can only
be made by using the adjusting screw. It is not neces sary
to remove the stop valve cap when making adjustments.
If for any reason it becomes necessary to remove the
stop valve cap, be certain the water is shut off at the
main supply valve.
Aquafl ush
®
Installation Instructions
This procedure should also be followed when the system
has been drained for some time, as occurs in athletic fi elds,
recreation parks, etc.
7. The Aquafl ush fl ush valves are preset for fi xture volume as
marked on the valve cartons. The valve does not require
regulation for vari a tion in water pressure within its operating
range. To set the fl ush valve for proper operation, gradually
adjust the stop valve open, using the adjusting screw, while
actuating the valve until the rate of water fl ow into the fi xture is
not excessive, yet is suffi cient enough to adequately evacuate
the waste. The fi nal setting for urinals should be such that
the fi xture will not overfl ow when the valve is actuated in
succession. The stop snap cap screw cov er should be
secured after fi nal adjustments have been made.
Use the following procedure to fl ush out the supply piping:
A. Remove the main valve body cover.
B. Remove the working parts from the fl ush valve (shown in 6b).
C. Replace the main valve body cover and plastic cover without
reinstalling the working parts.
D. Open the stop valve by using the stop adjusting screw, and
fl ush out all debris from pipe and connections.
E. Shut stop, open cover, replace the working parts, replace
plastic cover and main valve body cover and tighten.
Working
Parts