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Appliances Direct (BID)£30.99Visit shop Maesta Traditional Trv Straight Thermostatic Radiator Valves With Lockshield TRVT-ST-9MB
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These Maesta Traditional TRV Straight Thermostatic Radiator Valves in Matte Black are designed for homeowners seeking elegant and efficient heating control for classic radiators and towel rails. They offer precise temperature management, leading to reduced energy consumption and lower utility bills. A key consideration is their specific orientation requirement for optimal performance. These valves provide a functional and stylish upgrade, featuring a durable brass body and a distinctive wood handle, compatible with most water radiator ranges.
| Model Part Number | TRVT-ST-9MB |
|---|---|
| Brand | Maesta |
A TRV is a device fitted to a radiator that allows you to control the temperature of the room it's in. It automatically adjusts the flow of hot water into the radiator to maintain a set temperature, improving comfort and saving energy.
The TRV head measures the room's air temperature to regulate the radiator's output. It needs to be on the flow pipe (where hot water enters the radiator) to accurately sense the room temperature and control the heat accordingly. The lockshield valve, on the return pipe, balances the system.
The numbered settings on the thermostatic head correspond to different temperature levels. Setting '5' is typically the highest, and '1' or the snowflake symbol is the lowest (frost protection). Consult the user manual for specific temperature equivalents.
These valves are specifically designed for traditional radiators, cast iron style radiators, and heated towel rails. They are compatible with Maesta's water radiator ranges and can be used to retrofit designer radiators.
The frost protection setting (often marked with a snowflake or '*) activates when the room temperature drops below approximately 7°C. It allows a small amount of hot water to flow through the radiator, preventing your pipes and system from freezing.
To fully shut off the valve, you need to turn the thermostatic head to the lowest setting (frost protection) and then close the lockshield valve. For complete system shut-off instructions, please refer to the online user manual.
The valves are constructed from heavy-duty solid brass with a superior matte finish, and they feature a hand-finished wooden top handle.
Ensure the thermostatic head is not set to the lowest setting or frost protection mode. Check that the lockshield valve is open. Verify correct installation orientation (TRV on flow, lockshield on return).
Confirm the TRV head is correctly seated on its spindle. Check for any debris obstructing the valve mechanism. Ensure the valve is installed on the flow pipe.
Check all compression fittings are secure. For leaks at the radiator connection, ensure the BSPT thread is properly sealed. If the leak persists, professional assessment may be required.
Gently try to rotate the head. If still stiff, carefully remove the head (refer to manual) and check for any obstructions on the valve spindle. Reattach securely.
Ensure the thermostatic head is fully engaged. If the issue persists, there may be internal valve damage requiring replacement.
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