Watts 288A Series Quick Start Manual

Series 188A, 288A, N388
and LF288A, LFN388
Anti-Siphon Vacuum Breaker
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can result in death,
serious personal injury, property damage, or damage to the equipment.
Keep this Manual for future reference.
Installation
1. Install 6" (152mm) above
highest point of downstream
piping or hose.
2. No downstream shutoff
valves are allowed.
3. Device can spill water;
install where spillage is not
objectionable.
4. Use only with non-continuous pres-
sure (pressurized a maximum of 12
out of 24 hours).
Maintenance
1. Remove hood screws and lift
off hood.
2. Turn off supply pressure and
observe float drop to open air inlet.
3. If this does not occur or valve has
been constantly discharging
remove bonnet.
4. Replace bonnet (seat) and float.
5. Reassemble (using lubricant
sparingly on bonnet o-ring)
and restore pressure.
6. Retest using steps 1 and 2.
NOTICE
Inquire with governing authorities for local installation
requirements
Anti-Siphon Vacuum Breaker
6" above highest
downstream piping
Bonnet
O-ring
Seat
Disc
Float
ASSE Listed by IAPMO
Standard 1001
IS-188A/288A/N388
Typical Installation
downstream
Watts Ball Valve
CSA Certified
No
shutoff
Hood
Seat