TRV Valve Adapter Connector – M30x1.5 / M28x1.5 / M28x1 Fit

TRV Valve Adapter Connector – Universal Fit for M30 & M28 Radiator Valves

Upgrade your home heating system with this versatile TRV (Thermostatic Radiator Valve) Adapter Connector. Engineered to bridge the gap between your smart thermostatic head and your existing radiator valve, this compact plastic adapter delivers a secure, leak-free connection with minimal effort. Whether you're retrofitting a new thermostatic head or replacing an old connector, this adapter has you covered across multiple thread sizes.

Made in China.

Key Features

• Wide Compatibility: Fits M30×1.5mm, M28×1.5mm, and M28×1mm threaded heated valves — including RA, RAV, and RAVL valve models — making it suitable for a broad range of radiator installations.
• Versatile Fit: Accommodates multiple thread sizes so you can use one adapter across different radiator setups without needing multiple parts.
• Easy DIY Installation: Comes complete with all necessary mounting hardware. No specialist tools or professional plumber required — simply attach and go.
• Durable Construction: Made from robust, impact-resistant plastic built to withstand the heat and pressure of everyday central heating use for long-lasting reliability.
• Optimised Heating Control: Seamlessly connects your thermostatic valve head to your radiator valve body, allowing precise temperature regulation and improved energy efficiency throughout your home.

Specifications

Package Contents

• 1 × Set of TRV Valve Adapters (as shown in images)

Please Note

• Actual colour may vary slightly from images due to monitor brightness and lighting conditions.
• Please allow for slight manual measurement deviations.
• Always confirm your existing valve thread size before ordering.

Related Products You May Like

• 1.5L Handheld Steam Cleaner Touch Screen 1800W | CE Certified
• 1.2L Smart Electric Dehumidifier with Remote & Anion Purifier

For guidance on energy-efficient home heating and radiator controls, visit the U.S. Department of Energy – Thermostats & Heating Controls.

Learn more: Piping and plumbing fitting

Frequently Asked Questions

Q: Which radiator valve thread sizes does this TRV adapter fit?

A: This TRV valve adapter connector is compatible with M30×1.5mm, M28×1.5mm, and M28×1mm threaded valves, covering popular RA, RAV, and RAVL heated valve models used in most standard central heating radiator systems.

Q: Do I need a plumber to install this TRV valve adapter?

A: No — the adapter comes with all necessary mounting materials included in the set, making it straightforward for a confident DIYer to install without professional assistance.

Q: Is this adapter compatible with smart thermostatic radiator valve heads?

A: Yes. This connector is designed to bridge most smart or manual thermostatic radiator valve (TRV) heads with M30×1.5, M28×1.5, or M28×1 valve bodies, enabling precise temperature control and improved heating efficiency.

Q: What material is the TRV adapter made from?

A: The adapter is constructed from durable, heat-resistant plastic in a neutral grey colour, designed to withstand the regular heat and pressure conditions found in domestic central heating systems.