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The Wilkins 34-BVECXL-125BF is a full port bronze ball valve combining shutoff and thermal expansion relief protection for residential water heaters.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Pressure: 400 psi WOG
• Maximum Temperature: 180°F
• Notable Certifications: UPC Listed; NSF/ANSI 372
• Connection Type: FNPT Threaded

Other Related Variants:

• 34-BVECXL-125CF: Compression drain fitting version
• 34-BVECXLC-125BF: Copper sweat connection version
• 34-BVECXLPEX-125BF: PEX shutoff connection version
• 34-BVECXL-125-PEX: PEX drain fitting version
• 34-BVECXLC-125CF: Copper sweat with compression drain
• 34-BVECXLPEX-125-PEX: PEX shutoff with PEX drain

Materials:

• Valve Body: Low Lead Cast Bronze (ASTM B 584)
• Relief Valve Body: Low Lead Forged Brass
• Ball: Chrome Plated Low Lead Brass
• Stem: Brass (ASTM B 16)
• Seats and Stem Packing: TFE Virgin Teflon
• Thrust Washer: TFE Virgin Teflon
• Handle and Nut: Stainless Steel
• Relief Valve Spring: Stainless Steel (302 Series)
• Relief Valve Seat Washer: Buna Nitrile (FDA Approved)
• Relief Valve Plunger: Brass (ASTM B 16) with Screw

Typical Installation:

The Zurn 34-BVECXL-125BF is installed on the cold water inlet to the water heater, positioned before any other valves or devices. The unit should be installed with clearance for handle operation and with proper access for drain line maintenance. A safe, adequate drain line must be provided from the relief valve discharge to an approved location capable of handling high temperature water discharge.

Standards Compliance:

UPC Listed to IGC 128-2019; Certified to NSF/ANSI 372 (0.25% Max Weighted Average Lead Content)

Features & Benefits:

• Dual Protection: Combines shutoff valve and thermal expansion relief in one compact unit for space-saving water heater protection.
• Lead-Free Compliance: Certified to NSF/ANSI 372 with 0.25% maximum weighted average lead content for safe potable water applications.
• Full Port Design: Provides unrestricted flow and minimizes pressure drop for optimal water heater performance.
• Durable Construction: Low lead bronze body with chrome-plated brass ball and stainless steel components ensure long-lasting reliability in demanding applications.

FAQ

Q: What is the relief pressure setting on the Wilkins 34-BVECXL-125BF?

A: This model features a 125 psi relief setting with a 3/8" hose barb drain fitting. Other relief settings (80 psi and 100 psi) and drain configurations are available in related variants.

Q: Where should this valve be installed on a water heater system?

A: Install the Zurn 34-BVECXL-125BF on the cold water inlet line to the water heater. Ensure adequate clearance for handle operation and that a safe drain line is connected from the relief valve discharge.

Q: What connection types are available for this ball valve?

A: The 34-BVECXL-125BF features 3/4" FNPT threaded connections. Related variants offer copper sweat connections (C models) and crimp PEX connections (PEX models) for different installation requirements.

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