If you have a third valve, it would indicate that you've got an electric drinking water heater stored beneath your sink, heating drinking water on the supply and connecting back for the faucet. Pro tip: Prevent gumming up the inside of the shutoff valve; don’t use any pipe dope or plast

This could indicate worn out inside components or very low-high-quality objects. Ensure that you purchase top quality valves in your replacements so this does not materialize once again. You can find multiple ways to save on plumbing costs; it’s merely a matter of deciding which possibiliti