NOTICE: Product images may vary from the actual item due to differences in size or configuration options.

The Wilkins 12-ZW1017XL is an Aqua-Gard® tempering mixing valve designed to mix hot and cold water at the source, delivering safe tempered water for residential and light commercial applications.

Key Specifications:

• Size: 1/2 Inches
• Maximum Working Pressure: 145 psi inlet
• Outlet Temperature Range: 95–131°F (35–55°C)
• Notable Certifications: ASSE 1017, cUPC, CSA B125.3
• End Connections: FNPT threaded connections

Other Related Variants:

• 12-ZW1017XLC: 1/2 Inch copper sweat connection version
• 34-ZW1017XL: 3/4 Inch FNPT model size
• 34-ZW1017XLC: 3/4 Inch copper sweat connection version
• 34-ZW1017XLPEX: 3/4 Inch PEX barb connection 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:

The Wilkins 12-ZW1017XL is ideal for installation at the domestic water heater, where it mixes hot and cold water to reduce the temperature of hot water in the distribution system to 122°F (50°C) or less, providing tempered water to hot water appliances and fixtures throughout residential and light commercial plumbing systems.

Standards Compliance:

ASSE Listed 1017; cUPC Listed; CSA Certified B125.3; Meets the requirements of NSF/ANSI/CAN 61-9

Features & Benefits:

• Superior Temperature Accuracy: Maintains set temperature accuracy of ±4°F (2°C) from minimum to maximum flow rate, ensuring safe and consistent water temperature delivery.
• Lead-Free Compliance: Constructed with low lead cast bronze and brass materials meeting NSF/ANSI/CAN 61-9 requirements with 0.25% maximum weighted average lead content for safe drinking water applications.
• Versatile Flow Capacity: Delivers up to 18 gpm flow rate at 45 psi pressure loss with a minimum flow rate of 0.5 gpm, suitable for both residential and light commercial installations.
• Multiple Configuration Options: Available in various end connection types including FNPT, copper sweat, CPVC, PEX barb, push fit, and press fit connections for flexible installation requirements.

FAQ

Q: What is the difference between the Zurn 12-ZW1017XL and an ASSE 1070 point-of-use device?

A: The Zurn 12-ZW1017XL is an ASSE 1017 listed tempering mixing valve designed for installation at the hot water source to reduce distribution system temperature to 122°F or less. It should be used in conjunction with an ASSE 1070 point-of-use device at individual fixtures where end users may be exposed to hot water. The ZW1017XL should never be installed where end users can change its setting.

Q: What are the minimum requirements for proper operation of the Wilkins 12-ZW1017XL?

A: The valve requires a minimum flow rate of 0.5 gpm, a minimum approach temperature of 20°F between hot supply and outlet setting, and a maximum pressure differential of 15 psi between hot and cold inlets. Cold supply temperature should be 40-75°F and hot supply temperature should be 120-195°F maximum.

Q: Can the Wilkins 12-ZW1017XL be installed with a shut-off valve and thermometer?

A: Yes, it is recommended that the 12-ZW1017XL be installed with a shut-off valve and thermometer in the tempered water line to provide accurate and safe water mixing temperatures and facilitate maintenance and temperature verification.

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