Rinnai RL75e (REU-VC2528WD-US), RL75i (REU-VC2528FFUD-US), RL94e (REU-VC2837WD-US), RL94i (REU-VC2837FFUD-US), RLX94i (REU-VC2737FFUD-US) Brochure
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A Comprehensive Array Of Models
DELIVERING AN ENDLESS
SUPPLY OF HOT WATER.
COMPREHENSIVE WATER HEATING
Why Rinnai?
A TRADITION OF TRUE RELIABILITY.
For nearly 100 years, we at Rinnai have been ercely committed to
delivering nothing less than our absolute best. Through teamwork,
technology and innovation, we’ve become one of the world’s largest gas
appliance manufacturers, specializing in high-eciency tankless water
heaters and home heating solutions. With headquarters in Japan and
a network of 20 branches and 86 sales oces in 13 countries, Rinnai’s
presence and inuence have a global impact.
With a pioneering history of creating value-added products in step with the demands of a changing world, Rinnai
employs more than 600 research and development engineers. Their talent and vision is supported by an uncompromised
focus on quality in design and manufacturing. Advanced automation and precision assembly processes make Rinnai’s
manufacturing facilities an industry model for efficiency, and extensive inspection and testing protocols dictate that every
product undergo a series of live fire testing before being shipped. Throughout the world, our standards for quality remain
unsurpassed. All Rinnai factories are ISO 9001 and/or ISO 14001 certified.
Established in 1974, our US and Canadian operations continue to
expand with over 140 employees engaged in sales, marketing,
customer service, application engineering, technical support and
more. In 2001, we opened our Peachtree City, Georgia office.
Today this facility is a state-of-the-art distribution, research and
training center. In addition, Rinnai has Customer Care and Technical
Support and distribution in Sparks, Nevada. What’s more, Rinnai
America is one of the few tankless water heater manufacturers with its
own state-of-the-art CSA Certified Testing Laboratory, including CSA
accredited lab technicians. All our products have been approved by
the Canada Standards Association (CSA) and adhere to the strict
standards of the American National Standards Institute (ANSI).
For Rinnai, reliability isn’t just talk. It’s part of every move – and every
product – we make. Always has been. Always will be.
22
A Track Record of Performance
From the beginning, Rinnai America has continued a tradition
of creating solutions that enhance the way people live. That
tradition has grown even stronger today.
Thanks to superior design and engineering, Rinnai home
and water heating products continually raise the standard in
comfort, convenience and reliability. In fact, our commitment
to building in quality at every level has made Rinnai Tankless
Water Heaters the #1 selling tankless water heating brand in
the U.S. and Canada.
Beyond manufacturing the highest quality tankless water
heaters and home heating products, our people stand behind
all that we make, before, during and long after installation.
From 24/7/365 technical support for professionals, to our
national network of independent installers for homeowners,
to on-staff engineers who can assist with choosing the right
products and sizes—we’re inspiring confidence right along
with the comfort our solutions provide.
ever, so that your confidence in choosing Rinnai can be too.
We’re stronger than
Efficiency and versatility have also made Rinnai Tankless
Water Heaters a hit with commercial applications, giving
restaurants, hotels, schools, multifamily residences and others
the reliable performance they need to meet demands and
reduce operating costs.
Our RH180 Hybrid Tank-Tankless Water Heater utilizes
the same on-demand tankless technology with an efficient
storage tank to deliver more hot water with less recovery time
than a traditional tank water heater– all in a quick and easy
installation.
That same dedication to creating solutions that enhance the
way people live is reflected in our heating products. From the
efficiency of our Condensing Boilers to the big comfort, smallspace warmth of our Vent-Free Fan Convectors and Energy
Saver® Direct Vent Wall Furnaces, cost-effective heat is here.
Whether seeking whole-house comfort, a supplemental heating
solution for nearly any room, or a single, energy-efficient source
for home and water heating, we’ve developed the innovative
products that open up a world of pleasant possibilities.
ENHANCING YOUR COMFORT EVERYWHERE
Rinnai water heating and heating products are dedicated to a
smarter kind of comfort.
With our precisely engineered tankless water heaters, you
can count on Rinnai to deliver an endless supply of hot water
whenever you need it – even for multiple tasks at the same
time. Plus, they feature space-saving design and ultra efficient
performance for monthly energy savings.
ENDURING QUALITY, LASTING PEACE OF MIND
No one can predict the future, but the past is a good
gauge of things to come. Rinnai’s 100 years of superior
engineering, innovation and quality inspire peace of mind
that our products will stand the test of time.
As we aggressively invest in the talent and technology that
sets new benchmarks in home and water heating excellence,
Rinnai looks forward to continuing to exceed even the highest
expectations with our absolute best.
3
Enhancing the
COMFORTS OF HOME.
With either Rinnai Tankless Water Heaters or
the RH180 Hybrid Tank-Tankless Water Heater,
homeowners can now have more hot water than
they ever thought possible.
The innovation behind our high-efficiency water
heaters provides an endless supply of hot water
wherever and whenever it’s needed – even
for multiple tasks at the same time. Showers
and baths? Laundry and dishes? On-demand
heating means hot water is always available, so
prioritizing activities and scheduling water use is
no longer necessary.
Because they operate on an as-needed basis,
Rinnai Tankless Water Heaters can use up to 40
percent* less energy than traditional systems,
which helps reduce utility costs. This efficient
operation can also contribute to a favorable
HERS rating and optimize LEED certification.
*As based on the average cost to run an electric tank water heater per the DOE Average Energy Costs (www.doe.gov), 2013.
On top of efficiency, our tankless water heaters
feature a commercial-grade heat exchanger for
unparalleled quality, durability and safety. And
their compact design offers substantial space
savings in the home.
The RH180 Hybrid Tank-Tankless Water Heater
harnesses the same on-demand tankless
technology coupled with an efficient storage
tank to deliver more hot water with less
recovery time than a traditional tank. And
professionals enjoy time and labor savings
with quick and easy installation using standard
tank connections.
The flexibility and convenience of endless hot
water. The reliability of proven engineering. It’s
everything homeowners need to feel comfortable.
Only from Rinnai.
4
Commercial Solutions –
Where The Demands Are Greatest,
RINNAI DELIVERS.
Leveraging decades of global commercial water
heating experience, Rinnai Tankless Water
Heaters deliver performance and reliability.
Precision engineering allows Rinnai Tankless
Water Heaters to produce an endless supply
of hot water to suit even the most demanding
applications—from restaurants to hotels to
multifamily residences to schools and more—
conserving energy that can save thousands of
dollars in capital, operational and life cycle costs,
while providing redundancy and saving space.
But it’s not just performance that sets us apart.
Our commitment to safety, quality and support
has made us the #1 selling tankless brand in the
U.S.and Canada.
From products to service and everything inbetween, our dedication to delivering our
absolute best never wavers. We’re stronger than
ever, so that your confidence in choosing Rinnai
can be too.
5
Rinnai Tankless Solutions Give You THE POWER TO LIVE BETTER.
Tankless technology that saves you time.
Never think about your hot water needs again: Innovative technology provides an endless supply of hot water whenever and
wherever it’s needed – even for simultaneous uses at multiple fixtures. Showers and baths? Absolutely. Laundry and dishes? No
problem. Prioritizing activities and scheduling hot water use is a thing of the past.
Save money, splurge on performance.
Designed for efficiency: Rinnai’s tankless technology features copper heat exchangers to provide maximum efficiency, and
easily meet ENERGY STAR® qualifications and uses up to 40 percent less energy* than a traditional tank.
Save energy: By operating only when hot water is needed, and no storage tank to heat and reheat water, our tankless
technology helps save on energy and utility costs. The use of an electronic igntion means no standing pilot light that constantly uses
energy.
A smart investment: Increase your home’s value with premium technology, energy efficiency and an improved Home Energy
Rating System (HERS) index score. Available energy efficiency rebates and tax credits offer the opportunity to help make
your purchases more affordable.
Multiple sizes: Rinnai gives you options to right-size your installation and customize your efficiency.
Replace parts, not systems: Every part of a Rinnai Tankless Water Heater is replaceable. Components can be easily
exchanged, if needed, versus replacing the entire system.
Save space with a compact design.
Maximum output, minimum space:
About the size of a small suitcase, at 18.5” x 26” x 10” or smaller, a Rinnai can be installed on any wall or in compact spaces.
These wall-mounted units can be installed on the interior or exterior wall of the home to free up valuable space.
Flexible installation: Small size allows for installation in non-traditional spaces such as crawl spaces and attics, making it
perfect for use in any size home, including manufactured and modular homes.
Stay green with a sustainable choice.
Earth-friendly efficiency: Our tankless technology achieves maximum energy efficiency, helping to conserve natural resources.
Less waste: Compact heat exchanger design, longer product lifespan compared to a traditional tank** and recycleable parts
means less waste in landfills.
High standards for low emissions: Lower CO2 emissions contribute to cleaner air and a healthier environment.
6
CONDENSING TECHNOLOGY
NON-CONDENSING TECHNOLOGY
The Rinnai
Ultra Series
THE ULTIMATE IN
EFFICIENCY.
Delivering our most energy-efficient
performance, the Ultra Series features
a condensing design with two heat
exchangers to maximize heating value
to enhance reliability and durability
and reduce maintenance. The Ultra
Series also offers our most hot water
capacity per BTU, with the ability to
support multiple, simultaneous hot
water demands and more venting
solutions on the same unit.
UNIQUE FEATURES OF
ULTRA SERIES
• Energy Factor of up to .96
• Available in three sizes: 152,000,
180,000, and 199,000 BTU.
•Allows for either Concentric
Polypropylene or PVC/CPVC
venting, providing the most venting
flexibility in a single application of
any manufacturer.
•Faster hot water provided by
integrated recirculation pump and
internal bypass line inside the unit.
• Easy maintenance is achieved with
included isolation valves.
The Rinnai
Luxury Series
AWARD-WINNING
PERFORMANCE.
The Luxury Series offers the highest
output of our non-condensing line of
tankless units with a sleek, modern
design and a range of standard
features and benefits to fully satisfy
the demands of larger homes and
light commercial applications.
UNIQUE FEATURES OF
LUXURY SERIES
• Energy Factor of up to .82
• Available in three sizes: 180,000,
192,000 and 199,000 BTU.
• Recirculation: Circ-Logic provides
optimal operation of an external
recirculation pump utilizing a
dedicated recirculation line.
• Enhanced scale detection.
• Easy maintenance is achieved
with included isolation valves.
The Rinnai
Value Series
CONFIDENCE MEETS
AFFORDABILITY.
The Value Series is the perfect
combination of comfort and value.
These easy-to-install, compact units
combine all the reliability you’d
expect from Rinnai with performance
that’s ideal for medium- to smallersized new homes or remodels.
UNIQUE FEATURES OF
VALUE SERIES
• Energy Factor of up to .82
• Available in three sizes:
120,000, 150,000,
and 180,000 BTU.
• A practical alternative water
heating choice for homes with
smaller demands.
* As based on the average cost to run an electric tank water heater per the DOE Average Energy Costs (www.doe.gov).
** Based on DOE ENERGY STAR® lifecycle estimates, tankless water heaters can last up to twice as long as traditional tank units, 2011.
7
RINNAI TANKLESS WATER HEATER OPERATION
How a Rinnai Tankless Water Heater Works
1
When the need for hot water arises by turning on a shower,
washing machine, dishwasher or faucet, cold water enters the
Rinnai Tankless Water Heater from the inlet pipe at the bottom of
the unit. The PC board is then signaled to activate the ame igniter
or ignition.
2
A combustion fan turns on to allow oxygen into the burner to
ignite the ame as the gas control valve opens at a low frequency.
Once an adequate ame is present the igniter stops sparking —
beginning the next sequence of operation in a matter of seconds.
3
Water is heated as it passes through the coils of the copper
heat exchanger, and exits from the hot water outlet pipe to travel
through the pipes of the home or business to the water xture
where hot water is needed. For Condensing models, the water is
preheated as it passes through a secondary stainless steel (latent)
heat exchanger, capturing any extra heat (or latent heat) before it
escapes into the vent system.
4
The gas valve and blower automatically adjust the incoming gas
and oxygen to meet the water heating demands. If the demand is
small, the Rinnai Tankless Water Heater can use a smaller ame
and less gas. If the demand is greater, the ame can expand across
the width of the entire burner to heat more water. The tankless
water heater adjusts as needed to ensure the temperature set
point is maintained. A digital controller allows the user to choose
his desired temperature.
5
As the hot water xture shuts off, cold water stops entering the
tankless water heater and the ame diminishes. The combustion
fan continues to operate at a low speed for a short period of time.
This allows the exhaust of any leftover combustion gases.
8
Tank vs. Tankless Annual Operating Costs*
Technology Fuel Type
Standard Gas Tank
Standard Gas Tank
Electric Tank
Tankless
Condensing Tankless
Tankless
Condensing Tankless
*Based on national averages per Department of Energy, U.S. Energy Information Administration, 2013.
Natural Gas 0.58 $281
Propane 0.58 $682
N/A 0.90 $585
Natural Gas 0.82 $199
Natural Gas 0.96 $170
Propane 0.82 $482
Propane 0.96 $412
EF (Energy
Factor)
Annual Operating
Costs
9
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