Installation Guide

FV211
4. Determine the length of vacuum breaker tube required to join
the flush valve and fixture spud. Cut the vacuum breaker tube,
if required, to this length (see 4a). Assemble the vacuum
breaker tube assembly and spud nut assembly to the flush
valve and fixture spud.
4a
1
2
1. Install stop valve assembly using proper size supply
escutcheon and sweat solder adapter kit if applicable (see 1).
Thread sealing compounds should be used on male NPT
threads only.
2. Prior to inserting the flush valve tailpiece into stop valve, be
certain that the O-ring seal is located in O-ring seal groove at
the end of the tailpiece and the locking nut and locking snap
ring are located as shown below (see 2). Care should be taken
not to damage the O-ring when inserting the tailpiece into the
stop valve. If lubrication is needed, wetting the O-ring with
water will be sufficient.
5
5. Hand tighten spud nut and vacuum breaker tube nut to fixture and flush valve. Adjust the valve assembly for plumb. Tighten fixture
spud nut, vacuum breaker tube nut and lock nut with a wrench.
3
3. Insert the flush valve tailpiece into the stop valve and hand
tighten the lock nut to the stop valve. Plumb the entire unit
(see 3).
4b
Typical Flush Tube Assemblies
AquaVantage
™
Installation Instructions