RPZ Valve Testing

At Trident Water Solutions, we provide certified RPZ Valve Testing services throughout the UK, helping businesses stay compliant with water regulations and protect their mains water supply from contamination. RPZ (Reduced Pressure Zone) valves are critical backflow prevention devices used in many commercial and industrial systems, and by law, they must be tested annually by an accredited tester. 

Our fully qualified engineers carry out RPZ valve inspections, performance testing, maintenance and certification, giving you the assurance that your systems are safe, compliant and functioning correctly. 

What is an RPZ Valve?

An RPZ valve is a mechanical backflow prevention device that protects potable water supplies from contamination caused by back pressure or back siphonage. These valves are typically used in higher-risk environments, such as systems with chemicals, cleaning agents or other potentially harmful substances as well as many other applications. 

If an RPZ valve fails, there is a significant risk of contaminants entering the mains supply, which is why regular testing is a legal requirement in accordance with The Water Supply (Water Fittings) Regulations 1999 and guidance from local water authorities. 

Where Are RPZ Valves Used?

RPZ valves are typically found in:
If you're unsure whether your site has an RPZ valve or whether it's due for testing, we can help identify, inspect and manage your compliance needs.

Stay Compliant with Certified Testing

Failure to test an RPZ valve annually can result in enforcement from your local water authority. Our team ensures that all testing is carried out promptly, documented clearly, and reported as required to maintain your compliance and system safety. 

Book your RPZ Valve Test with us today and ensure your water systems are fully protected.