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That’s why our team also work hard to educate and inform our customers while promoting the use of qualified and insured professionals for their plumbing work.

Working in the Water Regulations team at Welsh Water means we support our customers in making sure their installations comply. It also means we must enforce the Water Fittings Regulations when things aren’t quite right. Failing to comply can result in costly plumbing alterations and, in some circumstances, prosecution of installers or customers.

What we’ve learned is that many WaterSafe approved RPZ valve testers ask the right questions of new installs - gathering information and providing us what we need to provide guidance and direction.

You’ll also need to think about checking the valve regularly for signs of failure and letting your water company know immediately if something goes wrong.

If you’ve been advised to fit an RPZ Valve but aren’t sure if it’s needed, get in touch with your water company for advice prior to giving notification. You could also contact a WaterSafe approved RPZ valve tester who will have the knowledge and experience to guide you through the process.

The installation of any RPZ valve requires notification, meaning it can’t be installed without first letting your water company know and getting consent for the proposed works.

Hydronic heating systems are far more economical and efficient than forced air systems simply because of how the heat is transferred and moved around the building. Water holds and transfer much more heat than air and can be moved easier. Hydronic system can move enough heat to warm a standard size house through a 1’’ pipe and only require a small circulation pump to do so. Traditional forced air system usually require big ducts at least 450mm loosing up to 30% of the energy in the roof and need huge fans using much more electricity to deliver the same amount of heat. Effective heat transfer combined with efficient heat sources make a hydronic system the smart and economical choice for both residential and commercial building.

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Hydronic heating has been the preferred choice of heating in Europe since the 1940s and currently makes up over 70% of all heating installations and is fast becoming the preferred choice throughout the world due to its energy efficiency, design flexibility and superior comfort. There are three main types of Hydronic Heating, Under Floor, Diffusion Plate and Radiator Panels. Each of the systems has their own unique advantages and disadvantages depending on the application. The versatility of the three system means a hydronic system can be selected for any project that requires heating. Our heating systems easily integrate with our hydronic cooling system providing the complete climate solution for residential and commercial projects.

Hydronic heating systems involve supplying heat directly to the floor, or panels on the wall by circulating heated water through a series of pipes. Hydronic systems depend largely on radiant heat transfer: the delivery of heat directly from the hot surface to the people and objects in the room. Think of radiant heating like heat from the sun. On a sunny day, if you step from the shade into the sun, you’ll feel warmer even though the air temperature is basically the same. This is how radiant heating works. Temperature throughout the room is more constant than with a standard forced-air system, where the air raises, cools and then falls to the floor.

Taste & Smell: Traditional systems blast air through ducting that over time becomes dusty and dirty creating a stale smell and taste. Hydronic systems heat the natural way keeping your air and home clean.

At Welsh Water, we use WaterSafe to help our customers find the right professional for the job without showing preference for a specific company. Having RPZ valve testers join WaterSafe means we can offer our customers the assurance that any professional they find on WaterSafe has the necessary qualifications and insurances for their work.

If you have one, you’ll need to keep records of testing and ensure that evidence of each test is submitted to your water company, either by you or your nominated tester.

Hydronic system are suited to all types of residential and commercial properties from heritage listed to cutting edge architectural. Hydronic systems fit where traditional ducting doesn’t making it ideal for building with limited space or raked ceilings. Whether it is underfloor, diffusion plate or radiator panel there is a hydronic solution suited to any residential or commercial application.

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We also have great working relationships with many approved testers working in our area. WaterSafe membership means better access to your local water company when you need advice and support.

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A customer once had seven RPZ valves installed following a third-party inspection from a water services consultant. They weren’t notified and it was only upon commissioning by an accredited tester that we became aware of them.

We still have the rare occasion where a customer will have an RPZ valve fitted without notifying and without getting it commissioned or tested. In these situations, we have a responsibility to see it put right and sometimes this is costly for all involved.

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That’s why it is so important to provide notification and only use suitably qualified professionals like those listed by WaterSafe.

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The tester couldn’t even commission some of these, due to them being installed at height and not having enough space for the testing equipment. The installation and failed testing of these valves had cost our customer thousands of pounds, which was only compounded when we told them that the valves weren’t even needed and had to be removed.

Touch: You feel warmer. A radiant system warms up all of the surfaces around you, including the walls and ceilings. You feel warmer in a radiantly heated room, even if the air temperature in the room is lower than you are used to.

Healthy: Hydronic systems help reduce the trigger of asthma and allergies by eliminating the spread of dust mites and allergens providing clean hygienic warmth throughout the building.

Sight: From a visual and decorating point of view, you simply cannot get a less intrusive heating system than radiant floor. The radiator is the floor. We can actually enhance the visual appeal of a space by making it possible to use natural stone, tile, and polished concrete. Materials that people love, but often reject, simply because they are considered to be too cold to walk or stand on.

There are alternative options for providing the necessary level of backflow protection, some of which have fewer specific requirements for testing and maintenance.

RPZ valves, also known as reduced pressure zone valves or type BA devices, are a recognised method of preventing backflow under the Water Fittings Regulations. Unlike most other mechanical backflow prevention devices, they can be used in some higher risk scenarios (up to a Fluid Category 4 risk) like filling commercial closed-circuit central heating systems.

A comfortable environment is one which is not offensive to any of the five senses; i.e. sight, sound, touch, smell and taste. Hydronic Heating stacks up better than any other source of heating allowing it to easily have the title of ”the world’s most comfortable heating solution”.

Backflow prevention is legally required in plumbing systems to protect the water supply from potential sources of contamination.

To mark RPZ valve testers joining the WaterSafe family, we spoke to Lee Brooks, Water Regulations Technical Manager at Dŵr Cymru Welsh Water to hear about RPZ valves and why they can play such an important role in keeping water supplies safe from contamination.

On top of that, RPZ valves are not a fit and forget solution for preventing backflow in plumbing systems. These fittings must be commissioned by a qualified tester and tested no less than once a year to remain compliant.

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Sound: It is quiet. Silence is one of the great unsung benefits of radiant heating systems. No big noisy fan, just quiet comfort. You seldom ever know when a radiant system is running because you can’t hear it.

The consumer shouldn’t need to know all the requirements, but it is important that they know about using qualified professionals and where to find them.

Hydronic heating has been the preferred choice of heating in Europe since the 1940s and currently makes up over 70% of all heating installations and is fast becoming the preferred choice throughout the world due to its energy efficiency, design flexibility and superior comfort. There are three main types of Hydronic Heating, Under Floor, Diffusion Plate and Radiator Panels. Each of the systems has their own unique advantages and disadvantages depending on the application. The versatility of the three system means a hydronic system can be selected for any project that requires heating. Our heating systems easily integrate with our hydronic cooling system providing the complete climate solution for residential and commercial projects.

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If you use an RPZ tester who isn’t listed by WaterSafe, you run the risk of them not having the necessary qualifications or equipment calibration to correctly test these fittings.

Free promotion! Having WaterSafe membership means you’ll be able to reach customers in your local area who are looking for RPZ valve testing services. It also means that you’ll be less likely to have to provide additional information with test certificates as we’ll already have assurances about your qualifications, insurances and equipment calibration.