Campbell 3/4 in. Threaded Brass Relief Valve delivers reliable overpressure protection for your closed fluid systems. With a durable brass body and a non-adjustable, factory-set relief mechanism, this valve provides consistent safety without the need for on-site calibration.
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Brass body for corrosion resistance and longevity — built to withstand mineral content and typical household environments.
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3/4" threaded connection — straightforward integration into standard piping and fittings.
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Lead-free construction — designed for safe use in potable water and compliant with applicable standards.
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Non-adjustable relief setting — factory-set for dependable protection and reduced maintenance concerns.
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Maximum operating temperature up to 210°F — suitable for hot-water and closed-loop heating applications.
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Bagged packaging — keeps the component clean and ready for installation.
Ideal applications — use this valve in residential hot-water systems, small-boiler or radiant heating loops, storage tanks, and other closed-loop piping where overpressure protection is essential. Its compact brass design fits tight spaces without sacrificing performance, making it a practical choice for plumbing upgrades or new installations.
Why choose this Campbell relief valve? It combines a durable, lead-free brass body with a simple, non-tamperable relief mechanism to provide trustworthy protection in everyday systems. If you’re replacing an aging valve or installing a new safety device, this 3/4" threaded model offers a reliable, maintenance-light option that integrates with standard piping.
Installation and care tips — ensure compatible thread fits and use appropriate thread sealant rated for metal threads. Hand-tighten securely, then snug with a wrench for a proper seal. Regularly inspect for signs of wear or leakage and replace if performance degrades. Keep away from freezing conditions when applicable, and verify the system’s pressure ratings match the valve’s non-adjustable relief setting.
