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Quality • Reliability • COmfORt
Condensation-Free Operation
Both water temperature and flow rate inside
the heater are controlled to help eliminate
condensation, sooting and scale buildup that can shorten the life of a heater.
Rheem enginee red th e Unit herm
Governor specifically for pool and
spa heater applications, regulating
low temperature incoming water
to help reduce condensation.
Rust-Free Waterways
The Rheem Digital is equipped
with polymer headers and an
integra l copp er fin tube heat
exchang er built with stai nless
steel tube sheets. This ensures
rust-fre e perfo rmance, which is
especially important when heating
spas. Even the smallest details, such
as the studs and nuts, are made out of
stainless steel. The payoff? A heater that will
last year after year and can easily be serviced
if the need should ever arise.
Model
BTUH
Input
206 199,500
266 266,000
336 332,500
406 399,000
Rheem Digital gas heateR
Wind-Resistant Design
Performance and reliability are enhanced by the
“ pagoda top,” designed to keep the Rheem
Digital operating even in windy conditions. No
need for fans to combat drafting problems.
This heater is engineered to draft naturally
in outdoor installations with its exclusive
low-profile design. It is so thoughtfully and
carefully constructed that it actually protects itself from the things that tend to stifle ordinary pool and spa heaters. It delivers uninterrupted heating performance
regardless of falling leaves, wind, airborne debris, rain, downdrafts, updrafts,
sleet, snow, etc
.
PolyTuf Textured Powder Coating
The Rheem Digital has a polyester-coated, noncorrosive cabinet that is more durable than solventborne and waterbor ne-coated metal cabinets. Every
piece of sheet metal goes through a 7-stage wash system,
making certain the powder paint has a perfect bond. Underneath the tough, yet beautiful finish, you
will find galvanized metal that offers superior rust prevention for years of durable service.
Microprocessor-Controlled Thermostat
The Rheem Digital gas heater
is equipp ed wi th a mi croprocessor-based control. This
control allows you to set your
pool and spa temperature precisely at your preferred setting just by pressing an up or down temperature control
button. The digital display tells
you when the water is being
heated and notifies you when
your t arget temper ature has
been reached.
Self-Diagnostic
Troubleshooting a Rheem gas heater has never been easier. The Rheem Digital has
on-board diagnostic controls that let the user and the service professional know what
is going on with the heater at all times. The display uses
real English, with no cryptic codes to decipher.
Remote-Compatible
The Rheem Digital is compatible with most major pool control and remote systems
on the market today. Any two- or three-wire remote can connect to the Rheem Digital
and be integrated into the pool control system of your choice. The display clearly
shows the heater is under control of a remote system.
Run Time and Cycle Meter
Yet another industry first, the Rheem pool heater can report how long it has run and
how many times it has fired. This is valuable feedback for the service professional.
Multi-unit installations can monitor the run time of each unit and balance out the duty
load, thus avoiding over working one individual heater.
Flame Strength Indicator
Rheem leads the way with the first control in the pool industry to monitor and measure the pilot flame signal. Known for our high quality, leading edge commercial boilers, it just made sense for Rheem to use this existing commercial technology on our
residential pool heaters. Rheem also uses this function on the end of line test, making sure every heater leaves with a robust flame signal.
On Board Voltmeter
The Rheem Digital monitors the low voltage electrical supply. This helps ensure the
heater is wired properly during installation. The heater will also let you know if the
voltage has dropped too low to function properly. No
other pool heater takes care of you like a Rheem.
Stainless Steel Burners
Burner design is a critical component in any gas heater. The stainless steel
burner system used in the Rheem Digital is inherently forgiving and
extremely robust. The burner is self-adjusting to compensate for gas pres-
sure fluctuations, meaning the heater will always burn clean and safe.
Smooth Light Off
The soft-opening gas valve ensures smooth turn-on; no “ Hard Light”
to worry about. Easily removable burner tray and pilot assembly make
service and maintenance a simple task.
Pilot Ignition
The Rheem Digital use a spark-to-pilot ignition system. This is the most reli-
able and robust ignition system available– an industry proven standard for
over 30 years.
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POOL & SPA HEATERS
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Options
Copper Fin Tube
The Rheem Digital is built to last with the highest quality integral copper fin tube available. Copper is well known for its
ability to transfer heat efficiently, and is an excellent choice for
pool and spa heater heat exchangers, where the water chemistry is properly maintained.
Cupro-Nickel Fin Tube
Rheem heaters are available with an optional cupro-nickel fin
tube heat exchanger for added protection against aggressive
water chemistry, which has been known to attack copper heat
exchangers and cause premature failure. Cupro-nickel's major
advantage over standard copper is that it’ s more tolerant of
bad water chemistry and is more resistant to erosion, thanks to
a much harder surface and a wall that is approximately 50%
thicker. When you are unsure of your ability to maintain the
pool or spa water chemistry, a cupro-nickel heat exchanger is
a cost-effective way to protect against premature failure.
D-2 Power Vent
Rheem offers an optional power vent feature. Sometimes,
equipment rooms or unusual venting configurations require
the use of a power vent. Being the heater experts, we have this
option for you when the need may arise.
Through-the-Wall Capable
The D-2 Power Vent assembly is a Category III mechanical
draft venting system that operates under a positive static pressure that prevents excessive condensate production in the
vent. All sizes are capable of relieving flue gases up to a maximum of 100 equivalent feet of vent length. All models have a
standard 4” diameter exhaust connection.
Multi-Position
Using the Rheem-supplied adjustable 90° elbow, the flue
gases may be discharged in any direction (see D-2 Power
Vent manual for details). The D-2 Power Vent is also dual-voltage capable (120/240 volt) and engineered for long life and
smooth operation.
THE NEW DEGREE
OF COMFORT
TM
For dimensions and technical specifications,
see catalog number MKG-15-1505.
In keeping with its policy of continuous progress and product improvement,
Rheem reserves the right to make changes without notice.
Litho in U.S.A. ©2004-2011 Rheem, Inc. MKG-15-1503 Effective 10-01-2011
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