A radiator valve is a part of the heating system that regulates the flow of hot water through your house. It can be found on top of your boiler and will look like two valves side by side with one handle in the middle. Radiator valves are designed to control how fast or slow water flows into your home, which means you can turn it up or down depending on if you want to keep warm or cool during the day! This blog post will go over some tips for what to do when you're dealing with a faulty radiator valve.