The Wilkins P1000AXL-150C is a pressure relief valve designed for water heating storage vessels to protect against excessive pressure in non-steam systems.

Key Specifications:

• Size: 3/4 Inches
• Pressure Relief Setting: 150 PSI
• Discharge Capacity: 200,000 BTU/hr (ANSI); 500,000 BTU/hr (ASME)
• Notable Certifications: ASME Section IV; CSA Certified
• Connection Type: 3/4 MNPT Inlet; 3/4 FNPT Outlet

Other Related Variants:

• P1000AXL-30C: 30 PSI pressure setting
• P1000AXL-75C: 75 PSI pressure setting
• P1000AXL-125C: 125 PSI pressure setting

Materials:

• Main valve body: Cast Brass or Bronze (ASTM B 584)
• Internals: Stainless Steel (300 Series)
• Internals: Brass (ASTM B 36 and B 16)
• Internals: EP, Silicone
• Springs: Stainless Steel (ASTM A 313)

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the relief valve shall be installed in accordance with manufacturer's instructions and the latest edition of the Uniform Plumbing Code. The Zurn P1000AXL-150C is typically installed on water heating storage vessels and cold water storage tanks to protect against excessive pressure, with drain lines terminating outside.

Standards Compliance:

CSA Compliance to ANSI Z21.22/CSA 4.4; Certified to ASME Section IV by National Board; Meets the requirements of NSF/ANSI/CAN 372

Features & Benefits:

• Pressure Protection: Provides reliable pressure relief at 150 PSI to protect water heating storage vessels from excessive pressure buildup.
• High Discharge Capacity: Rated for up to 200,000 BTU/hr relief (ANSI) and up to 500,000 BTU/hr discharge (ASME) for effective system protection.
• Durable Construction: Features cast brass or bronze body with stainless steel internals for long-lasting performance in demanding applications.
• Code Compliant: ASME Section IV certified and CSA compliant to ensure proper installation and safe operation per plumbing standards.

FAQ

Q: What is the difference between the Wilkins P1000AXL-150C and temperature & pressure relief valves?

A: The P1000AXL-150C provides pressure relief only, while T&P models like TP1100A provide both temperature and pressure relief for comprehensive protection.

Q: What accessories are recommended for use with the Zurn P1000AXL-150C?

A: Recommended accessories include expansion tank (Model XT), water pressure reducing valve (Model NR3XL), vacuum relief valve (Model VR10XL), and expansion control ball valve (Model BVECXL).

Q: How should the relief valve drain line be installed?

A: The drain line must terminate outside in accordance with local codes, manufacturer's instructions, and the latest edition of the Uniform Plumbing Code.

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