A straight radiator valve, also known as a straight-through valve, is a component used in heating systems to control the flow of hot water into radiators. It is designed for situations where the heating pipes are coming out of the floor or wall in a straight line, and a valve with a linear design is more suitable.

Here are some key features and points about straight radiator valves:

1. Straight Design: The valve has a linear or straight-through design, which makes it suitable for connecting to heating pipes that emerge from the floor or wall in a straight line.

2. Adjustable: Like angled valves, straight radiator valves are adjustable, allowing you to control the amount of hot water flowing into the radiator. This control is essential for regulating the temperature in a room and optimizing energy efficiency.

3. Materials: These valves are typically made of durable materials such as brass or other corrosion-resistant alloys to ensure longevity and prevent issues like rust and corrosion.

4. Connection Types: Straight radiator valves come in various connection types, including compression, threaded, or push-fit connections. The choice of connection type depends on the specific requirements of your heating system.

5. Installation: Installing a straight radiator valve is generally straightforward. It involves connecting one end of the valve to the radiator and the other end to the heating pipes. The linear design is convenient when the pipes and radiator are aligned.

6. Compatibility: Before purchasing, ensure that the straight valve is compatible with your radiator and heating system. Check the size and connection type to ensure a proper fit.

As with any radiator valve, proper installation and maintenance are crucial for the efficient operation of your heating system. If you're not familiar with plumbing or heating systems, it's recommended to seek the assistance of a professional plumber for installation and any necessary adjustments.