Zurn - 1-1/2" 375 Series Pressure Reducing Valve

The Zurn Wilkins 375XL 1-1/2" Reduced Pressure Principle Assembly offers advanced backflow protection for potable water systems, making it ideal for high-hazard applications in both residential and commercial settings. Featuring a compact, reinforced nylon body with corrosion-resistant components, this unit delivers top-tier performance and theft deterrence with its optional black fusion epoxy coating.

Key Features:

• UV-resistant removable pressure vessel simplifies flushing, testing, and servicing
• Black fusion epoxy coating deters theft and withstands extreme weather conditions
• Engineered for chloramine-treated water and various installation orientations
• Tool-free blowout flush fitting available for winterization and spring startup
• Optional vandal-resistant hardware and camouflaged appearance

Construction & Durability:

• Reinforced FDA-approved nylon housing for lightweight strength
• Stainless steel fasteners, springs, and struts (300 series)
• Delrin and nylon NSF-listed internal components
• Silicone and Buna-N elastomers (FDA approved)
• Cast bronze ball valves (ASTM B 584)

Performance & Functionality:

• Max working pressure: 175 PSI
• Max working temperature: 180°F
• Hydrostatic test pressure: 350 PSI
• FNPT x FNPT end connections per ANSI B1.20.1
• Approved for both horizontal and vertical installations

Ease of Installation & Use:

• EZSwap™ pressure vessel enables 300% faster maintenance
• Fewer parts ensure simple service and reduced downtime
• Available blowout flush fitting for seasonal water evacuation
• Compatible with standard 1-1/2" piping and fittings

Technical Specifications:

• Size: 1-1/2"
• End Connections: FNPT x FNPT
• Operating Pressure Range: Up to 175 PSI
• Temperature Range: 33°F – 180°F
• Test Pressure: 350 PSI
• Material Certification: NSF, FDA, ASTM compliant
• Strainer Type: Integrated “Y” type
• UV-Resistant Components: Yes

Installation & Application:

• Recommended Uses: Commercial and residential potable water lines
• Installation Method: In-line installation with threaded FNPT connections
• Soil & Climate Suitability: UV and corrosion resistant for harsh weather zones

Compatibility & Optional Accessories:

• Compatible with Zurn flush fitting for blowout/winterization
• Black Fusion Epoxy Coating available (375B/375XLB models)
• Optional vandal-resistant hardware for theft-prone areas
• Serviceable with rubber kits, check modules, or full pressure vessel replacements