Description
Zurn Wilkins 3″ 375ASTOSY RPZ Backflow Preventer | Stainless Steel OS&Y.
Product Overview:
The Zurn Wilkins 3″ 375ASTOSY is a robust backflow prevention device for medium-sized potable water systems. With its stainless steel body, OS&Y gate valves, and improved flow design, this RPZ assembly ensures safety from backpressure and backsiphonage while fitting into tight spaces with ease.
Features & Benefits:
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Engineered for mid-range commercial systems
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Shorter lay length saves installation space
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All internal components serviceable in-line
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Corrosion-resistant and long-lasting stainless steel body
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Fully lead-free certified for potable water safety
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Flexible vertical/horizontal installation
Specifications:
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Size: 3″
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Pressure: 175 PSI working, 350 PSI hydrostatic
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Temperature: Up to 140°F
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End Options: Grooved (AWWA C606) / Flanged (ANSI Class 125)
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Certifications: ASSE 1013, UL, CSA, FM, NSF 372
Installation Tips:
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Ensure drain access and elevation compliance (12″–30″)
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Allow clearance on both sides
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Avoid installation near flood-prone areas
FAQs:
Does this model support retrofit projects?
Yes, it’s compatible with the Zurn 300ASTR retrofit option.
Are OS&Y gate valves included?
Yes, full port OS&Y valves come pre-installed.
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