legionella

Viega LLC’s ProPress Automatic Recirculation Balancing Valve ensures a balanced domestic water recirculation system by dynamically changing with varying conditions. The valve can help prevent the growth of legionella bacteria by keeping hot water out of the growth zone temperature of 95°F to 115°F (35°C to 46°C), while still preventing scalding and conserving energy. The Read more

Viega LLC’s ProPress Automatic Recirculation Balancing Valve ensures a balanced domestic water recirculation system by dynamically changing with varying conditions.

The valve can help prevent the growth of legionella bacteria by keeping hot water out of the growth zone temperature of 95°F to 115°F (35°C to 46°C), while still preventing scalding and conserving energy.

The Automatic Recirculation Balancing Valve is a modification of a Viega product that has been used successfully in Europe for years. It helps keep water temperatures more uniform by adjusting flow with changes in temperature. The results are faster hot water delivery, minimized waste energy and water and less stagnation and chance of contamination. Among the valve’s features:

  • Unlike with manual valves, temperature can be set once and be maintained automatically. Settings can be changed easily, if needed.
  • Can be installed on risers or branches
  • Remote monitoring with temperature sensor
  • Optional thermometer provides visual indication of valve setting
  • Threaded ends allow it to be used with Viega ProPress or Viega PureFlow fittings systems for easy integration with copper or PEX
  • Includes bypass for thermal disinfection

Additional accessories that can be used with the valve include a thermometer, drain valve and optional insulation sleeve.

“Viega is committed to providing hot water quickly and efficiently while improving water quality and the new Automatic Recirculation Balancing Valve is a significant step toward that goal,” said Paige Riddle, Senior Manager, Market Manager. “This valve offers more features than any other on the market while requiring minimum work on the part of designers, engineers, installers and building maintenance personnel.”

For more information on the ProPress Automatic Recirculation Balancing Valve, click here.

Watts has announced the next installment in a series of webinars for their engineer, architect, designer, and facility manager customers:  Smarter, Safer Hot Water, to be broadcast live on Wednesday, August 28, 2019. This latest webinar will focus on how digital mixing valves enable engineers, designers, and facility managers to directly measure, monitor, and deliver Read more

Watts has announced the next installment in a series of webinars for their engineer, architect, designer, and facility manager customers:  Smarter, Safer Hot Water, to be broadcast live on Wednesday, August 28, 2019.

This latest webinar will focus on how digital mixing valves enable engineers, designers, and facility managers to directly measure, monitor, and deliver safer hot water through domestic water systems.

Key points to be covered include an overview of how digital mixing valves:

  • Efficiently deliver mixed water throughout a hot water recirculation loop while allowing remote monitoring and control of water temperatures,
  • Minimize the risk of waterborne bacteria in high-performance commercial and institutional facilities, and
  • Provide precise control needed to deliver high water temperatures that mitigate the risk of the deadly Legionella bacteria (the cause of Legionnaires’ disease) while avoiding the risk of scalding and thermal shock injuries.

By attending the entire webinar, attendees can receive 0.1 Continuing Education Units (CEUs) through the American Society of Plumbing Engineers (ASPE).

To register for this webinar, please visit this page.

ThermOmegaTech®, a world leader in the design and manufacture of self-actuating thermostatic valve technology, introduces the CircuitSolver® Sanitary Flush (CSUSF) Valve as the newest addition to their CircuitSolver® line. The CSUSF allows for higher-temperature water to flow through a domestic hot water system during the disinfection process to protect against Legionella growth in systems capable Read more

ThermOmegaTech®, a world leader in the design and manufacture of self-actuating thermostatic valve technology, introduces the CircuitSolver® Sanitary Flush (CSUSF) Valve as the newest addition to their CircuitSolver® line. The CSUSF allows for higher-temperature water to flow through a domestic hot water system during the disinfection process to protect against Legionella growth in systems capable of high-temperature flushes.

Nick Tallos, Vice President of Engineering for ThermOmegaTech® says, “CircuitSolver® technology was already an innovative balancing method for domestic hot water systems. Now, with the addition of the Sanitary Flush, CircuitSolver® further stands out as a revolutionary technology with a myriad of applications. With its capability to protect against Legionella growth, the CircuitSolver® becomes an even easier and reliable balancing solution. It’s just another step in the right direction.”

The CircuitSolver® is a thermostatic, self-actuating balancing valve that continuously and automatically adjusts the flow through each branch of a domestic hot water recirculation system to maintain the specified temperature at the end of each branch, regardless of fluctuations in hot water demand. It is a direct replacement for manual balancing valves and eliminates balancing labor and callbacks. The CSUSF valve uses two high-thrust actuators, a low-temperature actuator to maintain standard balancing temperature, and a high-temperature actuator to allow for high temperature sanitary flushing of the system.

The CircuitSolver® Sanitary Flush Valve is tamper-proof and automatically balances any domestic hot water system at a set temperature, while still allowing higher water temperatures to enter for disinfection, preventing Legionella growth. It is the ideal solution for a maintenance-free balancing and high-temperature flush application. The CSUSF is lead-free, stainless steel, and corrosion resistant. The CSUSF valve is NSF/ANSI 61certified,  comes equipped with a long service life and 3-year warranty.

ThermOmegaTech®’s CircuitSolver® Sanitary Flush Valve is available for purchase through your local representative. For more information visit www.CircuitSolver.com or call 877-379-8258.

When you step inside the Schnellenberg Castle, you can’t help but feel like you’ve stepped back in time, defending your honor while fending off enemies of yesteryear. While attending the ISH show in Frankfurt, Germany, this past March, I was able to join a Viega facility tour in Attendorn, and the first night was at Read more

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When you step inside the Schnellenberg Castle, you can’t help but feel like you’ve stepped back in time, defending your honor while fending off enemies of yesteryear. While attending the ISH show in Frankfurt, Germany, this past March, I was able to join a Viega facility tour in Attendorn, and the first night was at the venerable Burg Scnellenberg Castle, which has since been renovated as a hotel. (See Sidebar, below, for History)

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I picked up the Viega tour right after the ISH Show and first thing Monday morning we met with Andre Irie, production manager, for a plant tour in Attendorn. With nearly 500 employees, 300 in production and 200 in logistics, the plant is run to peak efficiency. Seeing where Viega’s ProPress fittings and ball valves are assembled made me pause to think of the facility’s impressive logistics, impeccable testing processes and some 21st Century robotics and technology—especially in the fully automated 25-meter high bay area.

Within the plant’s Logistics facility, quality in products and service is the driver, with productivity consisting of high-level automation; quality second to none; availability; and a service offering differentiated from its competitors.

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Viega’s Derek Bower, Director Product Management – Metals, explains ring and series water flow.

 

Seeing the facility is impressive, for sure, but some of the “meat” of the tour was to talk about Viega’s water quality campaign, a domestic and global initiative aimed at educating the industry and providing system solutions to help maintain water quality for commercial potable water systems. Viega’s water quality campaign focuses on the Viega system solutions to help the engineering community design systems that minimize the risk of waterborne pathogens. Promoting hot water recirculation and keeping water at the correct temperature can help reduce the opportunity for bacteria to colonize.

For me, it was listening to Stefan Schulte, Viega’s product manager, Valves Business Unit Innovation, demonstrating proper water flow and talking about contamination through stagnation times, growth temperatures, and unsuitable materials breeding unwanted microorganisms. It was Derek Bower, Viega’s director product management, Metals, discussing planning and operation of hygienic water installations and risk minimization of bacteria such as Legionella through temperature, water stagnation and “dead legs” by explaining ring and series water flow. “Viega will be a product system solution provider,” says Bower.

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Viega’s Stefan Schulte, Product Manager – Valves Business Unit Innovation, demonstrates proper water flow.

 

Upon completion of the Viega plant tour in Attendorn, we traveled to a jobsite—a water quality site visit—which is a 17-unit home site under construction just outside Frankfurt. The gist of this high-efficiency apartment building site visit—which featured radiant heating, a well-insulated envelope and multiple ERVs—was to see Viega’s water quality stamp in a real-time installation. All of the pipes were insulated — hot and cold. The basement was plumbed in a series system for the multiple washing machine set-up, and Viega Venturi fittings were used keep the flow of water continuous, drawing water through the gardener’s tap even if it isn’t used regularly.

“By plumbing systems in series, or daisy chaining them together and using a Venturi fitting to induce flow through seldom used, remote fixtures, flow is promoted and temperature maintained in fixtures that are seldom used, thereby reducing the opportunity for microbial pathogens to colonize,” says Bower.

Continuing Education

Viega is extending its free training course on reducing the risk of microbial growth in commercial plumbing systems in five locations throughout the U.S. The training course is part of Viega’s water quality campaign, a domestic and global initiative aimed at educating the industry and providing system solutions to help maintain water quality for commercial potable water systems.

Titled, “Pathogen Control by Design,” the one-day training course is co-presented by Jason McKinnon, director of training, Viega, and Tim Keane, consultant with Legionella Risk Management Inc., who is one of the country’s leading experts in methods to control and minimize the risk of Legionella. Keane has 25 years of experience in industrial and commercial water treatment consulting, focusing on waterborne pathogen control, and regularly makes presentations on groundbreaking issues related to Legionnaires’ disease. He has presented at the American Water Works Association (AWWA) 2012 Water Quality Technology Conference, the International Emerging Technology Symposium and the 2014 American Society of Plumbing Engineers (ASPE) Convention.

The course will cover case studies of Legionnaires’ disease outbreaks, Legionella guidelines and standards from a liability perspective, and design factors that impact pathogen control. Where applicable, continuing education credits are available.

The 2015 course schedule is offered in Chicago, Ill. on July 21; in Houston, Tex. on September 1 and in New York City on October 22.

For more information or to register for Viega’s water quality seminar, visit: Viega.us/training.

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https://youtu.be/gYqjnu6qclo?list=UUy5qVwECeKwWlUhga7bis1w The Hub’s Eric Aune talks with Derek Bower about Viega’s water quality initiative campaign to reduce water stagnation, “dead legs,” and potential harmful bacteria such as Legionella in plumbing systems Read more

The Hub’s Eric Aune talks with Derek Bower about Viega’s water quality initiative campaign to reduce water stagnation, “dead legs,” and potential harmful bacteria such as Legionella in plumbing systems.