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The Wilkins TP1100A-4C-75C is a temperature and pressure relief valve for water heating storage vessels, protecting against over-temperature and excessive pressure conditions.

Key Specifications:

• Probe Size: 4 Inches
• Pressure Relief Setting: 75 PSI
• Temperature Relief Rating: 210°F
• Notable Certifications: ASME Section IV, CSA
• End Connections: 3/4 MNPT x 3/4 FNPT

Other Related Variants:

• TP1100A-4C-150C: 150 PSI pressure setting
• TP1100A-4C-175C: 175 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
• Probes: Epoxy Coated copper tube, FDA approved

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 valve is designed for installation on water heating storage vessels with drain lines terminating outside.

Standards Compliance:

CSA Compliance to ANSI Z21.22/CSA 4.4; Certified to ASME Section IV by National Board

Features & Benefits:

• Dual Protection: The Zurn TP1100A-4C-75C provides both temperature and pressure relief protection for water heating systems, safeguarding against dangerous over-temperature and excessive pressure conditions.
• High Discharge Capacity: Rated for 105,000 BTU/hr relief capacity and up to 300,000 BTU/hr discharge capacity, ensuring effective thermal energy dissipation during relief operations.
• Durable Construction: Features cast brass or bronze body with stainless steel internals and FDA-approved epoxy-coated copper probe for long-lasting, corrosion-resistant performance.
• Code Compliant Installation: ASME Section IV certified and CSA compliant, meeting stringent industry standards for safe water heater protection in residential and commercial applications.

FAQ

Q: What is the probe length on the TP1100A-4C-75C model?

A: The TP1100A-4C-75C features a 4-inch shank length probe, designed to properly sense water temperature within the storage vessel.

Q: Can this valve be used for steam applications?

A: No, the TP1100A-4C-75C is designed specifically for non-steam water heating applications only and should not be used with steam systems.

Q: What size connections does this relief valve have?

A: The valve features a 3/4 inch MNPT inlet connection and a 3/4 inch FNPT outlet connection for standard plumbing compatibility.

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