Warranty

For additional product information, please visit www.zurn.com.
2727
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.
375A: FLANGED NRS X FLANGED NRS
-” -A 3,808.60
” -A 3,965.90
” -A 5,374.80
” -A 7,574.20
” -A 13,591.00
” -A 19,159.80
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -AFG -AGF -AG)
375AOSY: FLANGED OSY X FLANGED OSY
-” -AOSY 4,324.80
” -AOSY 4,548.70
” -AOSY 5,718.20
” -AOSY 8,269.60
” -AOSY 14,540.40
” -AOSY 19,466.20
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -AOSYFG -AOSYGF
-AOSYG)
375AOSYBFG: FLANGED OSY X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
-” -AOSYBFG 4,543.10
” -AOSYBFG 4,778.40
” -AOSYBFG 5,797.00
” -AOSYBFG 8,687.00
” -AOSYBFG 15,274.50
” -AOSYBFG 20,822.90
375APIBFG: FLANGED PI X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
-” -APIBFG 4,543.10
” -APIBFG 4,778.40
” -APIBFG 5,797.00
” -APIBFG 8,687.00
” -APIBFG 15,274.50
” -APIBFG 20,822.90
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -AOSYBFG -ABOSYGF
-APIBG)
375AL: GROOVED X GROOVED, LESS SHUT-OFF VALVES
-” -AL 3,306.70
” -AL 3,306.70
” -AL 3,661.80
” -AL 5,590.40
” -AL 10,374.90
” -AL 12,978.10
Part number will be designated using “L” (eg -AL
-AL -AL)
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
AR list price adder to be added to list price of the
A 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 “AR-X” where X
 the Length Range (eg -AR-A -AR-B -
AR-C)
APPLICATIONS
Traditional Reduced Pressure Principal Assembly with
an epoxy coated, ductile iron body. Used in high health
hazard applications and all market segments.
FEATURES
• 375A 2-1/2” - 10”
• 375 2-1/2” - 10”
• 175 psi max
• 140°F max
• Complete with two flange-ended non-rising stem
resilient wedge gate valves and four resilient seated
ball valve test cocks
• No threads or taps in body or cover, eliminating
exposure to corrosion
• Single access cover reduces 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 1013, UL® Classified, FM® Approved,
AWWA Compliant, C-UL® Classified, CSA® Certified,
IAPMO® Listed
• Certified to NSF/ANSI 61 and 372
ACCESSORIES
• Air gap (Model AG)
• Thermal expansion tank (Model XT)
TYPICAL INSTALLATION
See next page
375API: FLANGED PI X FLANGED PI
-” -API 4,324.80
” -API 4,548.70
” -API 5,718.20
” -API 8,269.60
” -API 14,540.40
” -API 19,466.20
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -APIFG -APIGF -
APIG)
375ABG: GROOVED BG X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
-” -ABG 4,761.30
” -ABG 5,007.90
” -ABG 5,875.90
” -ABG 9,104.60
” -ABG 16,008.80
” -ABG 22,179.40
375ABF: FLANGED BF X FLANGED BF (TAMPERED
BUTTERFLY VALVES)
-” -ABF 4,880.60
” -ABF 5,205.10
” -ABF 6,132.70
” -ABF 9,432.50
” -ABF 16,352.60
” -ABF 22,546.30
375ABFG: FLANGED BF X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
-” -ABFG 4,820.90
” -ABFG 5,106.60
” -ABFG 6,004.40
” -ABFG 9,268.50
” -ABFG 16,180.70
” -ABFG 22,362.80
375ANRSOSY: FLANGED NRS X FLANGED OSY
-” -ANRSOSY 4,066.80
” -ANRSOSY 4,257.30
” -ANRSOSY 5,546.70
” -ANRSOSY 7,921.80
” -ANRSOSY 14,065.70
” -ANRSOSY 19,313.10
375ANRSPI: FLANGED NRS X FLANGED PI
-” -ANRSPI 4,066.80
” -ANRSPI 4,257.30
” -ANRSPI 5,546.70
” -ANRSPI 7,921.80
” -ANRSPI 14,065.70
” -ANRSPI 19,313.10
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ANRSPIFG -AOSYNRSGF
-ANRSOSYG)
375ANRSBFG: FLANGED NRS X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
-” -ANRSBFG 4,284.90
” -ANRSBFG 4,486.90
” -ANRSBFG 5,625.50
” -ANRSBFG 8,339.40
” -ANRSBFG 14,799.70
” -ANRSBFG 20,669.60
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -ABNRSGF -ANRSBFG
-ABNRSG)
375A WITH OSY AND PI SHUT-OFF VALVE COMBINATIONS
-” - ” Use OSY Pricing
Part number will be designated using “GF” “FG” or “G” (eg
-APIOSYFG -AOSYPIGF -AOSYPIG)
375A/375 SERIES – REDUCED PRESSURE PRINCIPLE ASSEMBLY
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA. SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.