3 Products
The Zurn Wilkins 375AST Reduced Pressure Principle Backflow Preventer with stainless steel body provides high hazard protection with a corrosion resistant, light weight design. Multiple shut-off and end connections available for installation versatility.
Features
- Short lay-length for small space installation
- Reliable performance and improved flow characteristics from patented Compound Check, allowing for installation in lower-pressure systems
- Available as backflow replacements/retrofit 375ASTR for custom length, drop in replacement
- Ideal for any backflow replacement
- Lower maintenance costs from corrosion resistance of stainless body
- Available in flanged, grooved, or grooved X flanged end connections for installation versatility
Installation and Maintenance Instructions 2 1/2" - 6" Installation and Maintenance Instructions 8" - 10" Specification Sheet Repair Parts Guide Relief Valve Discharge Rates 
Zurn Wilkins Backflow Prevention 375 (2.5 inch & 3 inch) - How to Repair
Zurn Wilkins Backflow Prevention 375 (4 inch & 6 inch) - How to Repair
Zurn Wilkins Backflow Prevention 375 (8 inch & 10 inch) - How to Repair
Zurn Wilkins Backflow Prevention 375AST - How to Maintain
Zurn Wilkins Backflow Prevention - How to Troubleshoot Relief Valve Discharge
3 Products
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