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Specifications
Description
The Zurn Wilkins 1-375S is a 1" reduced pressure zone (RPZ) backflow preventer with Flanged connections.
The Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-potable applications. The innovative EZSwap™ Pressure Vessel is removed and replaced with the Flush Fitting Tool for faster flushing and testing.
Features
- 375 (1/2" - 2")
- EZSwap® Pressure Vessel is removable for easy access and added convenience
- Flush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation
- Durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh conditions
- Minimal bronze construction acts as theft deterrent
- High pressure rating of 175 psi
- ASSE listed 1013 and IAPMO listed
- CSA Certified B64.4
Common Questions
- Does this assembly have to be tested every year?
- Yes. This is a field-testable assembly with 4 test cocks. Most water authorities require it to be tested and certified by a licensed backflow tester at installation and annually thereafter.
- What shutoff valves are included?
- It is supplied with non-rising stem (NRS) resilient-seated gate valves on the inlet and outlet.
- Does the relief valve need a drain?
- Yes. An RPZ relief valve is designed to discharge, and it can dump a large volume of water, so it must never be installed in a pit or below grade and the discharge must be piped to an adequate drain through an air gap. The air gap fitting is not included with this model and is ordered separately.
Specifications
- Type: Backflow Preventer - Reduced Pressure Principle Assembly with Replaceable Pressure Vessel, Non-Potable
- Size: 1"
- Connection: Flanged
- Backflow Protection: Both
- MPN: 1-375S
- Certifications: ASSE-1013, CSA-B64.4, IAPMO
- Assembly Type: RPZ
- ASSE Standard: ASSE 1013
- USC FCCCHR Approved: No
- Field Testable: Yes
- Number of Test Cocks: 4
- Shutoff Valves: NRS Gate
Dimensions
| Size Nominal | 1" | End Connection | Flanged |
Details
| Series | 1-375S | Device Type | Backflow Preventer - Reduced Pressure Principle Assembly with Replaceable Pressure Vessel, Non-Potable |
| Backflow Protection | Both | Assembly Type | RPZ |
| ASSE Standard | ASSE 1013 | Testable | Yes |
| Test Cocks | 4 | Shutoff Valve Type | NRS Gate |
Certifications & Standards
| ASSE-1013 | CSA-B64.4 |
| IAPMO | — |
Compare with similar products
| Backflow Protection | Both
| Both
|
| Assembly Type | RPZ
| RPZ
|
| ASSE Standard | ASSE 1013
| ASSE 1013
|
| Testable | Yes | Yes |
| Test Cocks | 4
| 4
|
| Shutoff Valve Type | NRS Gate
| Quarter-Turn Ball
|
| Series | 1-375S
| 112-975XL2
|
| Spec Sheet | ||
| Install Sheet | ||
| Device Type | Backflow Preventer - Reduced Pressure Principle Assembly with Replaceable Pressure Vessel, Non-Potable
| Backflow Preventer - Bronze Reduced Pressure Principle Assembly
|
| Size Nominal | 1"
| 1-1/2"
|
| End Connection | Flanged
| FNPT
|
| Certifications | ASSE-1013, CSA-B64.4, IAPMO
| ASSE-1013, AWWA-C511, CSA-B64.4, C-UL, UL, USC, NSF-61, NSF-372, IAPMO
|
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