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Enjoy free shipping and returns on all anodes!

Automatic Temperature and Pressure Relief Valve

Enjoy peace of mind with our Pressure Relief Valve, designed to safeguard your RV or home water heater from excess temperature and water pressure. With a ¾-inch NPT connection and dimensions of a 1 3/16-inch shank plus a 4-inch probe, it’s versatile enough for diverse water heaters. The valve has a factory setting of 150 PSI/210° Fahrenheit for optimal performance. Featuring an epoxy-coated extension probe to prevent corrosion and an all-brass body with a stainless steel pressure spring for durability. CSA certified to ANSI Z21.22, it guarantees both quality and safety.

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Return this item for free. Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges. Learn more about free returns

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Water Heater Anode Rod

Corro-Protec’s anode rod for water heaters fits any residential tank on the market. Get the most durable and versatile anode available.

RV Anode Rod

Our RV powered anode rod fits all Suburban RV water heaters. Enjoy the power of our permanent corrosion protection and more.

Commercial Anode Rod

Our commercial anode, powered to, is designed to permanently protect larger water heaters of 90+ gallons. No maintenance required.