Warranty
For additional product information, please visit www.zurn.com.
2222
BACKFLOW
PREVENTERS
BACKFLOW PREVENTERS
ACCESSORIESSTRAINERS
AUTOMATIC
CONTROL VALVES
PRESSURE
REDUCING VALVES
FIRE
PROTECTION VALVES
THERMOSTATIC
MIXING VALVESRELIEF VALVES
MISCELLANEOUS
PLUMBING PRODUCTSREPAIR KITS
TYPICAL INSTALLATION
(1/2” - 1”) 5 1/2
(1/2” - 1”) 2” PIPE
(DRAIN LINE CAN
BE ANY STANDARD
PIPING MATERIAL
)
DIRECTION OF FLOW
FLOOR DRAIN
12” MIN.
30” MAX.
375ST 1/2” - 1”
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.
375ST: FNPT X FNPT, STAINLESS STEEL
” -ST 1,477.40
” -ST 1,760.00
” -ST 1,920.50
APPLICATIONS
The Reduced Pressure Principal Assembly for high
hazard applications in corrosive environments, such
as medical, food processing, distilleries, and brewery
applications.
FEATURES
• 1/2” - 1”
• 175 psi max
• 180°F max
• Short lay length – fits in smaller area
• Plastic pressure vessel and stainless steel struts are
corrosion resistant
• Removable pressure vessel simplifies service and
maintenance
APPROVALS AND APPLICABLE
SPECIFICATIONS
• Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
• ASSE® Listed 1013, CSA B64.4
• Certified to NSF/ANSI 61 and 372
ACCESSORIES
• Air gap (Model AG)
• Thermal expansion tank (Model XT)
• Quick test set (QT-SET)
• Flush Fitting Kit with Flush Fitting and Flush Hose
(34-375FLUSH or 1-375FLUSH or 114-350-375FLUSH)
• Blow out / flush fitting (RK34-375BOF or RK1-
375BOF or RK114-350-375BOF)
375ST SERIES – STAINLESS STEEL REDUCED PRESSURE PRINCIPLE ASSEMBLY