The Zurn Wilkins P4000A Pressure Relief Valve prevents pressure buildup in a fire protection system or other closed type system whenever the line pressure exceeds the setting of the spring caused by pumps, elevated piping and thermal expansion.
To view all options, see the Specification Sheet
Features And Benefits
- 3/4" pressure relief valve
- Designed for fire sprinkler system relief
- Standard adjustability from 20-200psi
- Body and cover materials: cast bronze, stainless Steel
- UL Listed, FM Approved