Warranty

For additional product information, please visit www.zurn.com.
3535
BACKFLOW
PREVENTERS
BACKFLOW PREVENTERS
ACCESSORIES STRAINERS
AUTOMATIC
CONTROL VALVES
PRESSURE
REDUCING VALVES
FIRE
PROTECTION VALVES
THERMOSTATIC
MIXING VALVES RELIEF VALVES
MISCELLANEOUS
PLUMBING PRODUCTS REPAIR KITS
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.
375ADA: FLANGED OSY X FLANGED OSY
-” -ADA 6,064.20
” -ADA 6,393.80
” -ADA 7,272.70
” -ADA 10,119.50
” -ADA 17,195.60
” -ADA 22,014.60
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ADAFG -ADAGF -
ADAG)
375ADAPI: FLANGED PI X FLANGED PI
-” -ADAPI 6,064.20
” -ADAPI 6,393.80
” -ADAPI 7,272.70
” -ADAPI 10,119.50
” -ADAPI 17,195.60
” -ADAPI 22,014.60
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ADAPIFG -ADAPIGF
-ADAPIG)
375ADABG: GROOVED BG X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
-” -ADABG 6,239.30
” -ADABG 6,655.10
” -ADABG 8,007.10
” -ADABG 11,140.80
” -ADABG 18,932.00
” -ADABG 22,985.30
375ADABF: FLANGED BF X FLANGED BF
-” -ADABF 6,358.40
” -ADABF 6,852.30
” -ADABF 8,264.00
” -ADABF 11,468.70
” -ADABF 19,276.00
” -ADABF 23,352.10
375ADABFG: FLANGED BF X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
-” -ADABFG 6,298.90
” -ADABFG 6,753.70
” -ADABFG 8,135.50
” -ADABFG 11,304.80
” -ADABFG 19,104.10
” -ADABFG 23,168.70
375ADA WITH OSY AND PI SHUT-OFF VALVE COMBINATIONS
-” - ” Use OSY Pricing
For grooved options part number will be designated
using “GF” “FG” or “G” (eg -ADAPIOSYFG
-ADAOSYPIGF -ADAOSYPIG)
APPLICATIONS
Designed for high hazard, unmetered Fire Protection
systems, the Zurn Wilkins 375ADA/375DA Reduced
Pressure Detector Assembly is the valve that Fire
professionals specify the most.
FEATURES
• 2-1/2” - 10”
• 175 psi max
• 140°F max
• Resilient wedge OS&Y gate valves standard
• Epoxy-coated ductile iron body
• Modular Compound Check design
• Single access cover reduces maintenance down time
APPROVALS AND APPLICABLE
SPECIFICATIONS
• Approved by the Foundation for Cross-Connection
Control and Hydraulic Research at the University of
Southern California
• ASSE Listed 1047 375DA, UL Classified, FM Approved,
C-UL Classified
• Certified to NSF/ANSI 61 and 372
ACCESSORIES
• Air gap (Model AG)
• OS&Y gate valve supervisory switch (OSY-40)
• Available with CFM water meter (5/8” x 3/4”)
375ADA /375DA SERIES – REDUCED PRESSURE PRINCIPLE DETECTOR ASSEMBLY
375ADAOSYBFG: FLANGED OSY X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
-” -ADAOSYBFG 6,151.60
” -ADAOSYBFG 6,524.40
” -ADAOSYBFG 7,639.80
” -ADAOSYBFG 10,630.20
” -ADAOSYBFG 18,064.00
” -ADAOSYBFG 22,500.00
375ADAPIBFG: FLANGED PI X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
-” -ADAPIBFG 6,151.60
” -ADAPIBFG 6,524.40
” -ADAPIBFG 7,639.80
” -ADAPIBFG 10,630.20
” -ADAPIBFG 18,064.00
” -ADAPIBFG 22,500.00
For grooved options part number will be designated
using “GF” “FG” or “G” (eg -ADAOSYBFG
-ADABOSYGF -ADAPIBG)
375ADAL: LESS SHUT-OFF VALVES
-” -ADAL 4,268.30
” -ADAL 4,481.70
” -ADAL 5,109.20
” -ADAL 7,288.50
” -ADAL 12,462.20
” -ADAL 16,607.90
Part number will be designated using “L” (eg -ADAL
-ADALCFM -ADALSCFM)
300AR SERIES - REPLACEMENT BACKFLOW ASSEMBLY
(2-1/2” - 10”)
Custom Length Double Check Valve Assembly for drop
in replacements Stainless Steel Grooved x Grooved
Nipple Installed Between the Backflow Valve and the
Outlet Shut-O Valve Can be used with grooved
backflow models For replacement of longer lay-
length backflow preventers
ADAR list price adder to be added to list price of
the ADA 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 “ADAR-X” where
X  the Length Range (eg -ADAR-A -ADAR-B
-ADAR-C)
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.