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The Wilkins 34-ZW1017XLPEX Aqua-Gard® tempering mixing valve delivers precise temperature control at the water source for safe residential and light commercial applications.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Pressure: 145 psi inlet
• Outlet Temperature Range: 95–131°F (35–55°C)
• Notable Certifications: ASSE 1017, cUPC, CSA B125.3
• Connection Type: PEX barb connections

Other Related Variants:

• 34-ZW1017XL: 3/4 Inch FNPT threaded connection version
• 34-ZW1017XLC: 3/4 Inch copper sweat connection version
• 12-ZW1017XL: 1/2 Inch FNPT version
• 12-ZW1017XLC: 1/2 Inch copper sweat version

Materials:

• Body: Low Lead Cast Bronze, ASTM B 584
• Internal Brass: Low Lead Brass, ASTM B 927, UNS C27450
• Piston: Polysulfone
• Guide Tube & Checks: Noryl GFN2
• Spring & Screen: 300 Series Stainless Steel
• Seals: Nitrile Elastomer

Typical Installation:

Installed at the hot water source to mix hot and cold water, reducing the temperature of the hot water in the distribution system to 122°F (50°C) or less for residential and light commercial domestic water heater applications. Should be installed with a shut-off valve and thermometer in the tempered water line.

Standards Compliance:

ASSE Listed 1017; cUPC Listed; CSA Certified B125.3; NSF/ANSI/CAN 61-9 (0.25% max. weighted average lead content)

Features & Benefits:

• Accurate Temperature Control: Maintains ±4°F accuracy from minimum to maximum flow rates with 20°F minimum hot-to-outlet differential for consistent safe water delivery.
• Lead-Free Compliance: Constructed with low lead materials meeting NSF/ANSI/CAN 61-9 standards for safe potable water applications.
• Versatile Flow Capacity: Handles up to 18 gpm at 45 psi pressure loss with minimum flow rate of 0.5 gpm, suitable for residential and light commercial needs.
• PEX Connection Compatibility: Factory-installed PEX barb connections simplify installation for modern plumbing systems without requiring additional fittings.

FAQ

Q: What is the difference between the Zurn 34-ZW1017XLPEX and point-of-use mixing valves?

A: The Wilkins 34-ZW1017XLPEX is an ASSE 1017 source mixing valve designed for installation at the water heater to temper the entire hot water distribution system. It should be used in conjunction with ASSE 1070 point-of-use devices, never as a replacement for them.

Q: What is the maximum pressure differential allowed between hot and cold inlets?

A: The maximum pressure differential is 15 psi between hot and cold inlets to ensure proper valve operation and accurate temperature control.

Q: Can this valve be adjusted by end users?

A: No, this device should never be installed at the point of use where the end user could change its setting. It is designed for installation at the hot water source only, with appropriate shut-off valves and thermometers for professional adjustment.

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