Description
The Zurn Wilkins 375A Reduced Pressure Principle Backflow Preventer provides high hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility.
- 3″ reduced pressure principle assembly – grooved gate valve connections
- Lightweight epoxy-coated ductile iron body
- Utilizes Zurn Wilkins low headloss compound check
- Low-lead law compliant
Standards Copliance
- ASSE Listed 1013
- AWWA Compliant C511 (with gates only), and C550
- IAPMO Listed
- CSA Certified
- UL Classified
- C-UL Classified
- FM® Approved
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California.
- NYC MEA 484-04-M
- Meets the requirements of NSF/ANSI 61 (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
Features Sizes:
2 1/2″*, 3″*, 4″, 6″, 8″, 10″
Maximum working water pressure 175 PSI
Maximum working water temperature 140°F
Hydrostatic test pressure 350 PSI
End connections
(Grooved for steel pipe) AWWA C606
(Flanged) ANSI B16.42 Class 150
*2 1/2 & 3″ sizes use 4″ body & reducer couplings






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