Warranty
For additional product information, please visit www.zurn.com.
2020
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.
LEAD-FREE EXEMPT
PART NUMBER
LEAD-FREE EXEMPT
LIST PRICE EA.
375XL/375: FNPT X FNPT
” -XL 586.00 - 509.40
” -XL 635.10 - 552.40
” -XL 684.70 - 595.20
-” -XL 1,257.30 - 1,093.20
-” -XL 1,378.30 - 1,198.40
” -XL 1,547.60 - 1,345.80
375XLPF: WITH INTEGRAL Z-BITE™ PUSH-TYPE SOLDERLESS CONNECTIONS
” -XLPF 615.20 – –
” -XLPF 665.70 – –
” -XLPF 738.90 – –
375XLPR: WITH INTEGRAL Z-PRESS™ PRESS-TYPE SOLDERLESS CONNECTIONS
” -XLPR 617.40 – –
” -XLPR 667.20 – –
” -XLPR 736.80 – –
-” -XLPR 1,348.80 – –
-” -XLPR 1,496.70 – –
” -XLPR 1,752.20 – –
OPTIONS AND LIST PRICE ADDERS
(ADD OPTION TO LIST PRICE TO DETERMINE TOTAL LIST PRICE)
FAST-TEST TEST COCKS (FT) OPTION (E.G. 2-375XLFT), 1/2” THROUGH 1” USC APPROVED
” - ” No Charge No Charge
BLOW-OUT/FLUSH FITTING (BOF) OPTION (E.G. 2-375XLBOF)
”- ” 16.80 16.80
” 19.60 19.60
-” - ” 34.80 34.80
AIR GAP (AG) OPTION (E.G. 2-375XLAG)
” - ” AG Option Composite Air Gap
(AG-)
67.60 67.60
-” - ” AG Option Composite Air Gap
(AG-)
88.70 88.70
LEAD-FREE BRONZE WYE STRAINER (S) OPTION WITH NIPPLE (E.G. 2-375XLS)
” 58.50 –
” 63.50 –
” 74.40 –
-” 109.00 –
-” 148.20 –
” 217.00 –
STREET ELBOWS (SE) OPTION (E.G. 2-375XLSE)
” 76.90 –
” 89.10 –
” 101.60 –
-” 137.20 –
-” 137.20 –
” 171.80 –
APPLICATIONS
A high level of protection in a small, modular package,
the 375XL and 375 is the top of the line in backflow
prevention assemblies. This patented, unique design
allows for rapid commissioning and winterizing because
the entire pressure vessel can be removed for line
flushing.
FEATURES
• 1/2” - 2”
• 175 psi max
• 180°F max
• Short lay length – fits in smaller area
• Removable pressure vessel simplifies service and
maintenance
• Composite housing and check modules resist
corrosion
APPROVALS AND APPLICABLE
SPECIFICATIONS
• Approved by the Foundation for Cross-Connection
Control and Hydraulic Research at the University of
Southern California
• ASSE® Listed 1013, IAPMO® Listed, CSA® Certified,
AWWA compliant C511
• 375XL is certified to NSF/ANSI 61 and 372
ACCESSORIES
• Air gap (Model AG)
• Thermal expansion tank (Model XT)
• Soft seated check valve (Model 40XL2)
• Water hammer arrestor (Model 1250XL)
• Flush Fitting Kit with Flush Fitting and Flush Hose
(34-375FLUSH or 1-375FLUSH or 114-350-375FLUSH)
• Quick test set (QT-SET)
• Blow out / flush fitting (RK34-375BOF or RK1-
375BOF or RK114-350-375BOF)
• Bronze wye strainer (Model SXL)
• Available with Z-Bite™ and Z-Press™ Solderless
Connections
TYPICAL INSTALLATION
DIRECTION OF FLOW
INDOOR INSTALLATION
30" MAX.
12" MIN.
FLOOR
DRAIN
MODEL 375XLAG (1 1/4” - 2”)
30" MAX.
12" MIN.
PROTECTIVE
ENCLOSURE
AIR GAP
OPTIONAL
WATER METER
FLOOR
DRAIN
OPTIONAL STRAINER
(MODEL SXL)
WILKINS
INLET SHUT OFF
MODEL 375XLSAG (3/4” - 1”)
OUTDOOR INSTALLATION
375XL/375 SERIES – REDUCED PRESSURE PRINCIPLE ASSEMBLY