Press release

nVent Improves Its Hot Water Temperature Maintenance System with the Release of the Next Generation nVent RAYCHEM HWAT-ECO-GF Controller

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nVent Electric plc (NYSE:NVT) (“nVent”), a global leader in electrical
connection and protection solutions, today announced the launch of the
nVent RAYCHEM HWAT-ECO-GF controller, the next generation controller for
the nVent RAYCHEM Hot Water Temperature Maintenance (HWAT) system. A
smart alternative to traditional recirculation systems, the HWAT system
is a single-pipe solution for improved water safety, energy efficient
design and cost savings. When applied to commercial buildings, such as
high-rise office buildings, hotels and mixed-use spaces, HWAT technology
improves the delivery of hot water throughout a building, resulting in
multiple benefits for building owners and tenants. Currently, nVent is a
global leader in single-pipe domestic hot water temperature maintenance

The HWAT-ECO-GF controller has been developed for use with the
industry-leading nVent RAYCHEM HWAT-R2 self-regulating heating cable for
hot water temperature maintenance applications. With updated features
for improved control and expanded functionality, the HWAT-ECO-GF
controller now offers greater value through improved performance and
safety, while reducing total installation times and cost of ownership.

Built-in ground-fault protection
The HWAT-ECO-GF controller
features built-in ground-fault equipment protection (GFEP) that
eliminates the need for incorporating GFEP in the electrical panel. This
empowers mechanical engineers and plumbing contractors to ensure full
protection is incorporated throughout the entire system – independent of
the electrical supplier and without the need for several individual
components. This simplifies the installation process by reducing
implementation times by 33 percent on average, resulting in total cost

Expanded supply voltage capability
controller is compatible with a supply voltage of 277V, in addition to
the 208V and 240V supply of previous models. This higher voltage
capacity allows for longer circuit lengths and helps further reduce
total installed costs.

A bigger, better display
Featuring a new five-inch color
touchscreen display, the HWAT-ECO-GF makes initial programming easier
and more efficient for contractors and installers, further reducing the
complexity and completion times of HWAT single-pipe hot water
temperature maintenance projects.

“For over 20 years, HWAT has been the leader in self-regulating
solutions for domestic hot water temperature maintenance,” said Chris
Thibodeau, product manager, nVent. “With the introduction of the new
HWAT-ECO-GF controller, we are well positioned to deliver even greater
value and safety to our growing community of HWAT loyal engineers and

Invaluable resources for engineers and contractors
conjunction with the launch of the HWAT-ECO-GF controller, nVent has
released updated data sheets, designs guides and other useful
information required for the design and installation of effective HWAT
systems. The new resources can be found at:

About nVent
nVent is a leading global provider of electrical
connection and protection solutions. We believe our inventive electrical
solutions enable safer systems and ensure a more secure world. We
design, manufacture, market, install and service high performance
products and solutions that connect and protect some of the world’s most
sensitive equipment, buildings and critical processes. We offer a
comprehensive range of enclosures, electrical connections and fastening
and thermal management solutions across industry-leading brands that are
recognized globally for quality, reliability and innovation. Our
principal office is in London, United Kingdom and our management office
in the United States is in Minneapolis, Minnesota. Our robust portfolio
of leading electrical product brands dates back more than 100 years and

owned or licensed by nVent Services GmbH or its affiliates.