look inside ...
Our stainless steel heat exchanger
is so reliable, we back it with a limited lifetime
warranty. GAS VALVE The innovative modulating
gas valve improves furnace efficiency by regulating
the amount of gas being supplied to the furnace.
The modulating valve "modulates" between
40% and 100% of total capacity to ensure the
right amount of fuel is supplied at each moment.
The result is some of the best furnace efficiency
ratings, combined with unequaled comfort in the
2. DIRECT-SPARK RUUD
Achiever 90 Plus furnaces use
a time-tested direct-spark ignition system
for dependable ignition every time. A remote
sensor is also employed to constantly monitor
the existence of a flame.
The 2-speed, induced-draft
motor in the Achiever 90 Plus Furnace with
Contour Comfort Control quietly and safely
vents combustibles outdoors. It is so reliable,
we back it with a 5-year limited warranty.
4. INTEGRATED FURNACE
The integrated furnace control, the "brain" behind
this furnace, uses 2 processors to ensure
optimum performance. An innovative 7-segment
LED display provides handy troubleshooting and diagnostic information.
+ BLOWER MOTOR
An energy-efficient electric motor designed to vary in speed depending
on the demand for heat. So efficient, it uses less electricity than a 75-Watt
6. WASHABLE FILTER
The permanent, washable filter
is designed to be easy to access and clean.