Warranty

Backflow prevention systems generally are comprised of more
than just a backflow assembly. Zurn Wilkins offers a complete
line of backflow accessories to accompany your installation, from
ancillary shut-off valves to test kits, and accessories for valve
monitoring and frost protection.
ZW0217
BACKFLOW PREVENTERS
ACCESSORIES
WBR SERIES– IN BUILDING RISERS 48
ZWFR
– FREEZE RELIEF VALVE 48
ZW3
– WINTERIZER 49
BVMS
– BALL VALVE MONITOR SWITCH 49
OSY-40
– GATE VALVE SUPERVISORY SWITCH KIT 50
850XL SERIES
– FULL PORT BALL VALVE 50
850
– FULL PORT CAST IRON FLANGED BALL VALVE 50
48 SERIES
– NRS GATE VALVE 51
48OSY SERIES
– OS&Y GATE VALVE 51
48PIV
– POST INDICATOR GATE VALVE 52
49 SERIES
– BUTTERFLY VALVE 52
FLUSH FITTING TOOLS
– 350/375 BACKFLOW PREVENTERS 53
TG-3 AND TG-5
– BACKFLOW ASSEMBLY TEST KITS 53
QT-SET (BRASS) AND QTP (PLASTIC)
– QUICK TEST FITTINGS 53
400 SERIES SETTER 54
AG SERIES
– AIR GAP 54
47