I have a feeling that the stainless … General usage pipe Product Description: Tube for boilers, heat exchangers, super heaters, condensers, and catalytic tubes, refining furnaces etc. For example, they use stainless steel heat exchangers as opposed to aluminium commonly used inside most other boiler brands. All of Viessmann’s condensing boilers have stainless steel heat exchangers so you can be assured that your boiler will run at maximum efficiency. There are several system Boilers on offer from Vaillant available in lots of sizes ranging from 12, 15, 18, 24, 25, 27, 30, 48 and 64 KwH. 36 In this regard, a quick look at chemistry books should show copper as the clear winner. Stainless steel is an alloy based on iron combined with chromium (min. how many of these have Stainless Steel heat exchangers these days? 2)if you have a tankless, cast is better. Viessmann and Vokera are the only two boiler manufacturers we know that use a stainless steel heat exchanger. UK VAT Registered: 850 4121 63. Replacing and Moving a Boiler and Radiators, What adhesive should be used for an Acrylic worktop and undermounted stainless steel sink, Find Also the W-B can turn off its "instant hot water" reservior but the Vaillant can't. Stainless steel heat exchangers. 10-Year Guarantee Against leaks resulting from corrosion on the stainless steel heat exchanger All Viessmann condensing boilers are now equipped with a stainless steel heat exchanger . Hi. Honiton • Member since 6 Jan 2010 • On balance I'll probably go for the W-B. Viessmann is one such brand offering boilers with a stainless steel heat exchanger. An unknown error occured. Plate Type; Plate Heat Exchangers operate in very much the same way as a shell and tube heat exchanger, using a series of stacked plates rather than tubes. There are steel, stainless steel, cast iron, and copper heat exchangers. Suggest you fit an electric shower, so if you lose the boiler you can still shower! Stainless steel: high teensOn average, the thermal conductivity of copper is 20 times that of stainless steel. I have always had a Worcester boiler but have now been told by a gas / plumber that Vaillant are better as they have a stainless steel heat exchange compared to the Worcester aluminium heat exchange so are more reliable. Cons: Aluminum doesn’t transfer heat as well as stainless steel, and it cannot be used in condensing boilers. The most problematic drawback besides the Worcester Greenstar 30i's price mark is its heat-exchanger. Aluminium heat exchangers have been used since the 1970’s in Europe. Designed for sanitary environments, these exchangers are often used to process food and personal care products, or to heat clean-in-place solutions for sanitary processing lines. 05272398. This technology brings with it an extremely high 98% efficiency and exceptionally safe and efficient operation during its long service life. Oh and they have stainless steel heat exchangers. Stainless steel heat exchangers. Older boilers may also have used thick cast heat exchangers, rather than sheet, which had slower time constants for their response but were also resistant, by their sheer mass, to any corrosion. Stainless Steel Seamless Pipes & Tubes 1. Viessmann also offers a 10-year warranty on their Inox-Radial stainless-steel heat exchanger. This technology brings with it an extremely high efficiency rate of 98 percent and exceptionally reliable and efficient operation during its long service life. From the specs I see that the Worcester has an aluminium heat exchanger and the Vaillant has stainless steel. Stainless Steel Seamless Pipes & Tubes 1. Another good reason to choose a Vaillant boiler is that the company is now offering even longer guarantees on its models when installed by a Vaillant Advance installer. A new vaillant ecotec plus combi boiler was installed in my 3 bed house after having issues with my condensing boiler and tank. I had to point out that most of Vaillant's commercial condensers are made of aluminium. The best in boiler performance, control and efficiency, Fully compatible with our vSMART™ heating control for optimum performance and smartphone app control, Step by step full text installation wizard, Removable side panels and push-fit flue system, High performance build, smart controls and efficiency, Compact enough to fit in a kitchen cupboard, Suitable for natural gas and LPG applications, High efficiency stainless steel heat exchanger, Exclusively designed with specifiers in mind, Suitable for domestic and commercial projects, High quality stainless steel heat exchanger offers more resistance to oxidation and corrosion, All major components built-in for easy installation, Automotive grade aluminium heat exchanger, Wireless Installation receiver discreetly plugs into the fascia of the boiler for a clean and stylish finish. Standards: ASTM/ ASME A213/SA213, A269/SA269, A312/SA312; DIN 17456, DIN17458 Hi. Boilers with AFUE efficiency between 80% and 84% are labeled “standard boilers.” If a boiler has 85% to 90% efficiency, some brands will call them “high-efficiency boilers.” A majority of standard boilers are built with cast iron heat exchangers, and tend to be the most affordable models. I notice the Valliant has stainless steel heat exchangers and the W-B aluminium. Thanks one and all. General usage pipe Product Description: Tube for boilers, heat exchangers, super heaters, condensers, and catalytic tubes, refining furnaces etc. As a major component in the boiler, this gives homeowners protection against future repair bills. Gas boilers are the most popular ones, and they are used to heat up residences. Within this Vaillant Heat Exchangers category we list either Primary (main) heat exchangers, secondary or domestic hot water (DHW) heat exchangers (plate exchangers) and some boilers have a single heat exchanger that deals with both heating and hot water. Tabulates carbon and alloy steel tubes (table 1), austenitic stainless steel tubes (table 2, ferritic and martensitic steel tubes (table 3)). Many different types of stainless steel with other added elements to improve weldability and formability exist. The combi boiler was fine for a week. The most problematic drawback besides the Worcester Greenstar 30i's price mark is its heat-exchanger. 100% positive Please try again later. Many different types of stainless steel with other added elements to improve weldability and formability exist. ontap Striker. The Ecotec Plus models are the more expensive higher end boiler. Baxi and Vaillant both have boilers endorsed by the Energy Saving Trust which will give you confidence they’ll help save you money on your energy bills. While Vaillant is the better known brand in the UK out of the two, Viessmann have brought their commercial heating experience to their domestic boiler range and have won the Best Buy Boiler award for the 2nd year running.. You can find online reviews on everything from a pin to a plane online in 2019.