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B&Q£19.57Visit shop - Range6 Bar Pressure Relief Valve Replacement With Loose Nut ConnectionAlternative
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This 6 bar pressure relief valve from Unvented Components Europe is an essential safety device designed for professional plumbers and homeowners managing domestic hot water cylinders or boiler systems. Its primary function is to protect system integrity by discharging excess pressure before it can cause mechanical failure or leaks. While it offers a reliable, straightforward installation process via its loose nut connection, users must ensure the valve’s pressure rating specifically matches their system requirements to prevent improper activation or system inefficiencies.
| Model Part Number | UVCPRV |
|---|---|
| Brand | Unvented Components Europe |
It means the valve is calibrated to open when the internal system pressure reaches 6 bar, protecting your cylinder from exceeding its pressure tolerance.
It is designed for systems such as RM Cylinders Prostel and Stelflow. Always verify your manufacturer's manual to ensure a 6 bar valve is the correct specification for your unit.
It is best practice to have the valve inspected annually during your boiler or cylinder service.
The loose nut connection allows for easier alignment and tightening in tight plumbing spaces compared to fixed threaded connections.
Due to the safety-critical nature of unvented systems, installation should be handled by a qualified professional to ensure compliance with building regulations.
Debris may be preventing the seal from closing. Briefly operate the manual relief lever to flush debris, or replace the valve if the seal has failed.
Check the discharge pipe for blockages and ensure the valve is correctly rated for your specific system requirements.
Installation should only be performed by a qualified engineer. Begin by isolating the water supply and draining the system pressure. Use appropriate plumbing sealant on the threads and tighten the loose nut connection securely to ensure a watertight seal. This valve is fully compatible with RM Cylinders Prostel and Stelflow Stainless systems. For long-term care, test the valve annually to ensure the seating mechanism is not seized by limescale or mineral deposits, especially in hard water regions. If water is constantly dripping from the valve under normal pressure, it may indicate that the internal seal has reached the end of its service life or that there is debris preventing a tight closure, necessitating a replacement.
