Warranty

For additional product information, please visit www.zurn.com.
2626
BACKFLOW
PREVENTERS
BACKFLOW PREVENTERS
ACCESSORIESSTRAINERS
AUTOMATIC
CONTROL VALVES
PRESSURE
REDUCING VALVES
FIRE
PROTECTION VALVES
THERMOSTATIC
MIXING VALVESRELIEF VALVES
MISCELLANEOUS
PLUMBING PRODUCTSREPAIR KITS
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.
375AST: FLANGED NRS X FLANGED NRS
-” -AST 3,808.60
” -AST 3,965.90
” -AST 5,374.80
” -AST 7,574.20
” -AST 13,591.00
” -AST 19,159.80
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ASTFG -ASTGF -
ASTG)
375ASTOSY: FLANGED OSY X FLANGED OSY
-” -ASTOSY 4,324.80
” -ASTOSY 4,548.70
” -ASTOSY 5,718.20
” -ASTOSY 8,269.60
” -ASTOSY 14,540.40
” -ASTOSY 19,466.20
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ASTOSYFG -ASTOSYGF
-ASTOSYG)
375ASTPI: FLANGED PI X FLANGED PI
-” -ASTPI 4,324.80
” -ASTPI 4,548.70
” -ASTPI 5,718.20
” -ASTPI 8,269.60
” -ASTPI 14,540.40
” -ASTPI 19,466.20
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ASTPIFG -ASTPIGF
-ASTPIG)
375ASTBG: GROOVED BG X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
-” -ASTBG 4,851.10
” -ASTBG 5,102.40
” -ASTBG 5,986.80
” -ASTBG 9,276.30
” -ASTBG 16,310.80
” -ASTBG 22,597.90
375ASTBF: FLANGED BF X FLANGED BF (TAMPERED
BUTTERFLY VALVES)
-” -ASTBF 4,880.60
” -ASTBF 5,205.10
” -ASTBF 6,132.70
” -ASTBF 9,432.50
” -ASTBF 16,352.60
” -ASTBF 22,546.30
375ASTBFG: FLANGED BF X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
-” -ASTBFG 4,820.90
” -ASTBFG 5,106.60
” -ASTBFG 6,004.40
” -ASTBFG 9,268.50
” -ASTBFG 16,180.70
” -ASTBFG 22,362.80
375AST WITH OSY & PI SHUT-OFF VALVE COMBINATIONS
-” - ” Use OSY Pricing
Part number will be designated using “GF” “FG” or “G” (eg
-ASTPIOSYFG -ASTOSYPIGF -ASTOSYPIG)
OPTIONS AND LIST PRICE ADDERS
(ADD OPTION TO LIST PRICE TO DETERMINE TOTAL LIST PRICE)
AIR GAP (-AG) OPTION
-” - ” AG Option Iron Air Gap
(AG-)
143.10
” - ” AG Option Iron Air Gap
(AG-)
236.00
Part number will be designated using “-AG” (eg -A-
AG -ALMFG-AG -AOSYPIG-AG)
FSC STRAINER (FSC) OPTION WITH BOLT KIT, FLANGED X
FLANGED CONNECTION
-” 390.60
” 474.70
” 773.90
” 1,244.80
” 2,471.80
” 4,283.40
Part number will be designated using “FSC” (eg -
AFSC -AOSYFSC -AOSYPIFSC)
RELIEF VALVE MONITOR SWITCH (MS) OPTION
-” - ” 824.20
” - ” 1,127.20
Part number will be designated using “MS” (eg -AMS
-AMSFG -AMSOSYPIG)
300AR SERIES - REPLACEMENT BACKFLOW ASSEMBLY
(2-1/2” - 10”)
Custom length Double Check Valve Assembly for drop
in replacements Stainless steel grooved x grooved
spool installed between the backflow valve and the
outlet shut-o valve Can be used with  Series and
 Series grooved body models For replacement of
longer lay-length backflow preventers
ASTR list price adder to be added to list price of
the AST to determine total list price
See order form and product specification sheet on the
website for details and options
SIZE
INLET X OUTLET
CONNECTIONS / OPTIONS
LEAD-FREE
LIST PRICE
ADDER EA.
-” Length Range “A” Up
to -”
428.80
” Length Range “A” Up
to -”
445.60
” Length Range “A” Up
to ”
516.60
” Length Range “B” Up
to -”
596.90
” Length Range “A” Up
to ”
690.20
” Length Range “B” Up
to -”
803.30
” Length Range “A” Up
to ”
922.80
” Length Range “B” Up
to ”
1,072.70
” Length Range “A” Up
to ”
1,118.80
” Length Range “B” Up
to ”
1,319.80
” Length Range “C” Up
to -”
1,519.60
Part number will be designated using “ASTR-X” where
X  the Length Range (eg -ASTR-A -ASTR-B
-ASTR-C)
APPLICATIONS
Zurn Wilkins state of the art Reduced Pressure Principle
Assembly for high hazard applications in all market
segments.
FEATURES
• 2-1/2” - 10”
• 175 psi max
• 140°F max
• Grooved or flanged end connections
• Improved Compound Check design
• Short lay-length for small space installation
• Lower maintenance costs from corrosion resistance
of stainless body
• Five year warranty on materials and workmanship
APPROVALS AND APPLICABLE
SPECIFICATIONS
• Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
• ASSE® Listed 1013, AWWA Compliant C511 (with gates
only), and C550, FM® Approved, UL® Classified, C-UL®
Classified, CSA® Certified, IAPMO® Listed
• Certified to NSF/ANSI 61 and 372
ACCESSORIES
• Repair kit (rubber only)
• OS&Y Gate valve tamper switch (OSY-40)
• Air gap (Model AG)
375AST SERIES – REDUCED PRESSURE PRINCIPLE ASSEMBLY WITH STAINLESS STEEL BODY