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This guide is for homeowners and installers seeking a safe, reliable, and high-performance thermostatic shower valve. The Bristan Opac TMV3 offers enhanced user safety with its protective shroud and automatic shutoff, ensuring a comfortable and secure showering experience. Its primary limitation is the fixed inlet elbow adjustment range. Key features include a thermostatic TMV3 control, ABS protective shroud for surface temperature safety, a chrome lever for ease of use, single sequential control for temperature and flow, and suitability for low-pressure systems.
| Colour | Silver |
|---|---|
| Model Part Number | OP TS1503 SCL C |
| Brand | Bristan |
A TMV3 (Thermostatic Mixing Valve) is a device designed to safely mix hot and cold water to a pre-set safe temperature. It automatically adjusts to maintain this temperature, even if water pressure fluctuates, and includes safety features to prevent scalding.
The Bristan Opac TMV3 thermostatic exposed shower valve operates effectively at pressures as low as 0.2 bar.
Clean the valve with a soft, damp cloth. Avoid abrasive cleaners. For limescale, use a mild vinegar solution, then rinse and dry.
The ABS protective shroud covers the valve body to maintain a safe surface temperature, reducing the risk of accidental burns from touching a hot valve.
Check the thermostatic temperature setting on the valve. The maximum temperature stop may need adjustment. If the problem persists, consult the installation manual or a qualified plumber.
Yes, it is designed to work with various plumbing systems, including low-pressure ones, as it operates from 0.2 bar. It is TMV3 approved, indicating high safety standards.
The adjustable inlet elbows allow for flexible installation, accommodating pipe centres between 125mm and 132mm.
Check that the water supply is turned on. Ensure the inlet valves are open. Inspect the filters within the valve for blockages. Verify that the water pressure meets the minimum operating requirement (0.2 bar).
Ensure the thermostatic valve has been correctly installed and set up. Check that the hot and cold water supplies are balanced. If the issue persists, the thermostatic cartridge may require servicing or replacement.
Verify that the ABS protective shroud is correctly in place and undamaged. Ensure the thermostatic settings are correctly configured to prevent excessive hot water output. The shroud is designed to mitigate heat transfer, but extremely high output temperatures can still pose a risk.
Check all connections are tight. Ensure any washers or seals are correctly seated and not damaged. If leaks persist from the valve body, the internal seals or cartridge may be faulty and require replacement.
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