User Guide

6
FullFloXF
™
Backwash Valve Installation and User’s Guide
Valve Dimensions
Troubleshooting
17.4
3.5
SPIGOT FOR
3" PVC COUPLING
9.5
3.4
7.5
3.4
3.5
4.2
6.100
8.1
12.175
Problem Possible Cause Corrective Action
Leak to waste.
Dirt on seal, damaged seal.
Scratched valve bore.
Heat damage to valve bore
(oversized or out of round).
Service valve
(see servicing instructions on page 3).
Replace valve.
Replace valve.
Leak around shaft exiting
from cap.
Dirt on small diverter O-rings or
damaged seal.
Damaged end cap or diverter.
Service valve (see page 3).
Replace end cap or diverter.
Leak between end-cap and valve
body.
Dirt or damage to end cap O-ring.
Sealing surface on the body
damaged.
End cap O-ring groove damaged.
Service valve (see page 3).
Replace valve.
Replace end-cap.
Handle is hard to actuate.
Seals and/or small shaft seals and/or diverters
need lubrication or are damaged.
Valve bore is badly scratched.
Valve body damaged by heat.
Foreign objects stuck between the diverters and
the body.
Service valve (see page 3).
Lubricate seals frequently. If it is still hard to
actuate, replace the valve.
Replace valve.
Service valve (see page 3).