Best Relief Valves of 2025

The Watts Regulator Boiler Relief Valve is a high-quality relief valve designed to ensure the safety and efficiency of your boiler system. With its 3/4" size and 30Psi pressure rating, this valve is suitable for a wide range of applications. The Watts Relief Valve is a product from the trusted brand Watts Regulator, known for their reliable and durable plumbing products. This valve is a crucial component in any boiler system, as it helps to prevent pressure build-up and potential damage to the system. Its compact size allows for easy installation and maintenance. Invest in the Watts Relief Valve to protect your boiler and enjoy peace of mind.

The Cash Acme RV FWL-2 Pressure Relief Valve is a reliable and compact relief valve designed for various applications. With its cast bronze body, brass and stainless steel internal parts, silicone seat disc, and stainless steel pressure spring, this valve ensures durability and efficient performance. The lead-free bronze body not only meets safety standards but also provides superior reliability. It is certified to ASSE standard 1003 and CSA Standard B356, ensuring its quality and safety. Additionally, it is assembled and tested in the Cash Acme manufacturing plant in Cullman, Alabama. The Cash Acme Relief Valve is an essential component for pressure reducing and regulating, making it an ideal choice for a wide range of applications.

The Watts Pressure Relief Valve is designed to ensure safety and efficiency in your plumbing system. With a 3/4 inch inlet and outlet, it fits standard pipe sizes, making installation straightforward. Operating at a pressure of 30 PSI, this valve effectively prevents excessive pressure buildup, protecting your system from potential damage. It also has a high BTU capacity of 510,000, suitable for various heating applications. By using this valve, you can have peace of mind knowing that your system is safeguarded against pressure fluctuations.

The Watts 530C Relief Valve is designed for adjustable pressure control, making it an essential component for your boiler system. Its poppet style ensures reliable performance, giving you peace of mind when managing pressure levels. The brass construction enhances durability and resistance to corrosion, ensuring it lasts over time. With its threaded design, installation becomes a straightforward task, allowing you to set it up quickly and efficiently. This valve offers users the flexibility and reliability needed for safe operation in demanding environments.

The Control Devices Relief Valve is a versatile pressure relief valve designed to meet your specific needs. With its adjustable relief pressure range of 0 to 100 psi, you can easily control and maintain the desired pressure level. The 1/4" male NPT threaded inlet connection ensures a secure and reliable connection. Constructed with brass and a stainless steel spring, this valve offers excellent corrosion resistance, making it suitable for various applications. The silicon O-ring provides a leak-proof seal, ensuring a reliable performance within 10 percent of the set pressure. The micrometer-style nylon knob allows for easy and precise pressure relief adjustment, giving you the convenience and flexibility you need. Whether you're in need of pressure relief in industrial settings or other applications, the Control Devices Relief Valve is a reliable choice.

The Camco Relief Valve (10473) is a must-have for RV and home water heaters. It provides protection by preventing excess temperature and water pressure, ensuring the safety of your water heater. With its ¾-inch NPT connection, you can easily hook it up to your RV or home water heater. The extension probe, which is epoxy-coated to prevent corrosion buildup, has a 4-inch length that allows for accurate temperature readings. The all brass body with the stainless steel pressure spring ensures durability and longevity. The factory setting of 150 PSI/210° Fahrenheit provides peace of mind knowing that your water heater is operating within safe limits. Certified by CSA to ANSI Z21.22, this relief valve is a reliable choice for protecting your water heater.

The Merrill MFG PRVNL75 No Lead Brass Pressure Relief Valve is designed to protect against excessive pressure in cold water systems. With its 3/4" male NPT x 1/2" female FPT connection, this lead-free brass valve is easy to install. The stainless steel control springs ensure durability and reliable performance. The 75 PSI rating provides an adequate pressure relief capacity for various applications. This valve is not suitable for use with water heaters, making it ideal for other cold water systems. With the Merrill Pressure Relief Valve, you can have peace of mind knowing that your system is protected from excessive pressure, ensuring its longevity and efficient operation.

The Watts Pressure Reducing Valve is designed to lower incoming water pressure, helping to safeguard your plumbing system and minimize water usage in various settings, including residential and commercial environments. It operates effectively within a pressure range of 25 to 75 psi, typically set at 50 psi, ensuring optimal performance. Made from lead-free copper silicon alloy, it features a durable stainless steel strainer and corrosion-resistant components, promoting longevity. Additionally, it allows for multiple connection options like PEX and CPVC, offering flexibility in installation. The valve's bypass feature helps manage excess pressure, enhancing safety and efficiency.

The Cash Acme Relief Valve is designed to keep your water heater and storage tank safe. Its advanced thermal element coating helps prevent mineral buildup and corrosion, ensuring a longer lifespan for your plumbing system. The valve features a robust cast bronze body with durable internal parts, providing reliable pressure and temperature regulation. With factory settings of 150 PSI for pressure relief and 210 degrees Fahrenheit for temperature relief, you can trust that it will perform effectively in critical situations. This compact valve is also certified lead-free, making it a safe choice for your home.

The Watts Relief Valve is designed to protect your hot water heating system from excessive pressure. Its built-in flood sensor uses advanced technology to alert you of any unusual water discharge, allowing you to address issues promptly. With a robust iron body and a forged bronze inlet, this valve is built to last in demanding conditions. The 3/4 inch NPTF connections make installation straightforward, ensuring a secure fit for both inlet and outlet. This means you can enjoy peace of mind knowing your system is well-protected and functioning efficiently.