Maesta Traditional TRV Straight Thermostatic Radiator Valves With Lockshield - Antique Brass

These stylish TRV traditional radiator valves are an elegant and functional addition to your class...

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Product Information

Full details

These Maesta TRV Traditional Radiator Valves are designed for homeowners looking to enhance the aesthetic and efficiency of their heating systems, particularly those with classic radiators or heated towel rails. The key benefit is real-time temperature control for personalized comfort and significant energy savings. A minor caveat is the need for correct installation with the thermostatic head on the flow side and lockshield on the return. The valves feature a stunning Antique Brass finish with a wooden top handle, a solid brass construction for durability, and offer thermostatic control to reduce energy consumption and bills.

All features

Model Part NumberTRVT-ST-9AB
BrandMaesta

Extended Product Information

FAQs

What is the primary benefit of using thermostatic radiator valves?

The primary benefit is the ability to control the temperature in individual rooms, leading to increased comfort and significant energy savings by preventing overheating and reducing overall energy consumption.

How do I know which side is the flow and which is the return?

The flow pipe typically carries hot water from the boiler to the radiator, and the return pipe carries cooler water back. Often, the pipe closer to the boiler's heat source is the flow. If unsure, consult your boiler manual or a heating engineer.

Will these valves work with all types of radiators?

These valves are designed for traditional radiators and heated towel rails. They are compatible with Maesta's water radiator ranges and standard 1/2 BSPT radiator connections with 15mm pipework.

What does the frost protection feature do?

The frost protection feature allows a small amount of water to flow through the radiator when the ambient temperature drops below approximately 7°C. This prevents the water inside the radiator and pipes from freezing, which could cause damage.

Can I install these valves myself?

Basic installation is possible for those comfortable with plumbing. However, it is recommended to consult a qualified plumber to ensure correct installation, especially regarding the flow and return orientation, to guarantee optimal performance and prevent leaks.

What finishes are available for these TRV valves?

While this guide focuses on the Antique Brass finish, Maesta offers these traditional TRV valves in other luxurious finishes such as Chrome, Matte Black, and Black Nickel.

What is the weight and dimensions of the valve?

The valve measures 134mm in height, 103mm in width, and 55mm in depth, with a weight of 994g.

Troubleshooting

Radiator not heating up sufficiently

Ensure the TRV head is correctly installed on the flow side and the lockshield on the return side. Check that the TRV is not set to a very low temperature. Verify that the radiator valve is not fully shut off.

Radiator is always fully hot, even when set to a low temperature

The TRV head may be faulty or incorrectly installed. Ensure the thermostatic head is on the flow pipe. If the issue persists, the valve may need replacement.

Valve is leaking

Check all connections, especially the compression fittings and the radiator coupler. Tighten gently if necessary. If leaking persists, contact a professional plumber for assessment and repair.

TRV head is difficult to turn

Ensure the temperature dial is clean and free of debris. If it remains stiff, a small amount of silicone-based lubricant may be applied to the moving parts of the dial, avoiding the valve body itself.

Pros and Cons

Pros

  • Provides precise temperature control for enhanced comfort.
  • Contributes to significant energy savings and reduced heating bills.
  • Elegant design complements traditional heating fixtures.
  • Durable construction ensures a long lifespan.
  • Includes frost protection to prevent system damage.
  • Supplied as a complete set for convenience.

Cons

  • Requires correct installation orientation (thermostatic head on flow, lockshield on return).
  • Limited to traditional radiator styles.
  • Antique Brass finish may require specific cleaning to maintain appearance.

Setup, Compatibility & Care

Setup:

  1. Identify Flow and Return: Determine which pipe is the flow pipe (hot water entering the radiator) and which is the return pipe (cooler water leaving). Important: These valves are not bi-directional. The TRV thermostatic head must be fitted on the flow side, and the lockshield valve on the return side.
  2. Installation: For installation, the compression inlets are 15mm, and the radiator coupler is 1/2 BSPT. Ensure a secure fit to prevent leaks. If you are unsure, consult a qualified plumber.
  3. Initial Setting: After installation, the thermostatic head can be set to your desired temperature. Refer to the user manual for specific temperature settings and dial markings.

Compatibility:

  • Compatible with all Maesta water radiator ranges and traditional radiators.
  • Designed for use with standard 15mm compression pipework.
  • Radiator connection is 1/2 BSPT.

Care:

  • To clean the Antique Brass finish, use a soft, damp cloth. Avoid abrasive cleaners or harsh chemicals, as these can damage the finish.
  • Periodically check for any signs of leaks around the connection points.

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