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Valve Types

    Buying a valve for your radiator isn’t as simple as going to the DIY store and lifting the first one you see. There are a number of different valves you have to know about if you need one fixed or replaced. So what different types of radiator valve are there and what are the main differences between each one? Here is a little guide to help you figure that out.

  • Straight or Angled
    The first thing to know is whether your valve is straight or angled. On the majority of cases, your radiator will have an angled valve. This is a valve that sits to the side of the radiator and either connects to another radiator or a pipe from the wall or floor. It will always be made so that it sits at a 90 degree angle and can allow for a vertical or horizontal connection with ease.

    Now if the pipes to your heating system are in the floor and you would be attaching a valve so it behind rather than beside the radiator, you would need a straight valve. These aren’t as common and are only really used if your radiators have bottom inlets and come through the floor.

    Now that you know the difference between straight and angled, it is important to know the type of valve you’ll be attaching. Here are the three commonly used:
  • Manual
    The most common and simplest to use. All you need to do is turn it like a tap and heat a room accordingly. It is as easy as that. The only downside is that most don’t have a built in maintenance like a thermostatic radiator valve would.
  • Lockshield
    We always think of the hot water going in to the radiator. A lockshield valve makes sure attention is being paid to the water going out. It works to regulate the level and efficiency of the water present to ensure that all radiators in a room currently on will heat at the same rate, ensuring the room stays toasty throughout.
  • Thermostatic
    Just like a manual, a thermostatic valve helps control how much water flows in to a radiator. Unlike a manual though, this type of valve also makes sure the water flowing is working in an efficient manner. When a room reaches the desired temperature (indicated by the number you choose on the valve) it will cut off the flow of hot water to the radiator to ensure nothing is being wasted.