Valves That Relieve Pressure & Temperature

Browse the selection of pressure and temperature relief valves and find reliable products from F.W. Webb. The temperature and pressure relief valve is found at the top of your water heating system, connected to a pipe with a lever. This mechanism releases water to lower pressure within the tank, a necessary safety measure that protects your system against overheating or exploding. Find relief valves in lead-free brass and bronze; these sturdy materials resist corrosion and rust. To choose a new or replacement pressure relief valve, align the proper end connection, male to female, measure the right size, and determine the length necessary for your heating system. Explore the options and find durable pressure relief valves from Watts, Apollo, Webstone, and other brands you can trust.

Frequently Asked Questions

Where is the temperature and pressure relief valve on a water heater?

The temperature and pressure relief valve is located on your water heater; it is connected to a pipe that has a lever on top.

How do I know if my pressure relief valve is bad?

There are several ways to determine if a pressure relief valve is bad:

  • Fluctuating, low, or no water pressure: low or no pressure in the hot and cold water indicates a damaged relief valve.
  • High water pressure: if water pressure is higher than 80 psi and plumbing fixtures require constant maintenance, the relief valve could be to blame. While you can adjust the pressure on a newer valve, it is safer to just replace an old one.
  • Clanking or vibrating: noise in the piping can indicate many issues, but if it gets louder as you get closer to the relief valve, it indicates trouble.
  • Leaking: leaks near the valve itself or the connecting pipelines can stem from a bad relief valve.