Dimension® TWO-STAGE GAS FURNACE
Lennox high-efficiency two-stage, gas furnace takes you to a whole
new Dimension in home comfort!
Like hot cocoa, the Dimension® gas furnace keeps you nice and
warm inside - only without the calories.
On a cold winter's night, there's nothing quite as comforting as
being all snug and warm in your favorite blanket. Lennox has recreated
that same sense of warmth and security for your entire home, with our
top-of-the-line, two-stage gas furnace -- Dimension®.
Built For Life
 By
the time you've gone through four cars, a couple of sets of braces,
several graduations, and your kids are finally leaving home, your
Dimension® gas furnace will still be there keeping you comfortable.
From conception to production our furnaces go through several series
of rigorous tests. We purposely subject our equipment to extreme
conditions. This ensures that you will receive quality products. We are
so serious about quality that we run-test each and every unit before it
leaves the factory.
We are proud that Lennox quality standards are among the toughest
in the industry.
Nothing Sounds Better
 Have
you ever missed the best line in a movie because your furnace turned on?
That won't happen with the Dimension gas furnace. Extra efforts have
been made to make the Dimension one of the quietest furnaces around:
added insulation, a two-speed combustion blower motor and even a very
low-speed continuous fan. All this to make your TV watching more
enjoyable. Too bad it doesn't come with popcorn.
Breath of Fresh Air
 The
Dimension® furnace plays a role in battling indoor air pollution.
It's a fact that 50% of all illnesses are either caused by, or are
aggravated by, poor indoor air quality. To improve air circulation
within the home, the Dimension furnace is equipped with a dedicated low
speed for continuous fan operation. This allows more air to continuously
move slowly and quietly through the system and indoor air quality
products, such as humidifiers or filters.
Save Comfortably
 The
Dimension furnace offers more comfort for every energy dollar you spend.
No matter how warm your furnace keeps you, a high energy bill will send
a cold shiver up your spine. With an efficiency rating of up to 94.2%,
the Dimension gas furnace not only keeps you cozy, it can reduce your
energy bills when compared to older furnaces. The additional monthly
savings means you'll be comfortable with the return on your investment
for years to come.
This chart compares the average 3-year savings you can expect from the
Dimension furnace versus older furnaces with lower efficiency ratings.
Costs are based on industry averages for a typical 3-bedroom house in a
city with 2,000 heating hours, with a 100,000 Btuh load, and $.63 ccf
for gas. Your actual savings will vary depending on the weather, local
fuel rates, and your lifestyle.
Go With a Sure Thing
SureLight™ Ignition
When it comes to safety and reliability, second best is simply not good
enough. That's why Lennox has an ignition system that is the safest,
surest, most intelligent hot surface ignition system available today.
 The
SureLight™ ignition system features an igniter made of a virtually
unbreakable material -- silicon nitride. Accelerated life-cycle testing
on this igniter has proven its remarkable reliability.
But the igniter is just half the story. The SureLight ignition system
also features a patented "adaptive technology" control module
that's intelligent enough to determine just how much energy is needed to
light the burners without overheating the igniter. No other hot-surface
ignition system is as reliable. That's the kind of performance,
innovation, safety and reliability you've come to expect from the
company you trust.
The Comfortable Way to Heat Your Home
Two-Stage Heating
 Two-stage
heating reduces temperature swings within your home, maintaining a
consistent, comfortable and preferred temperature. Most of the time the
furnace operates in the first stage or low heat for greater efficiency
and comfort. On colder days, if first stage can not satisfy the heating
demand, it switches to high heat or the second stage. Standard,
single-stage furnaces only offer one level of heat - high.
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Quality Home Comfort
Your furnace typically resides inside the home in a variety of
locations. The supply ducts forces warmed air into the home after the
air has traveled cross the heat exchanger. At the same time the return
duct is pulling the cooler air from the home sending it pass the heat
exchanger, starting the cycle over again.
Recognition of Quality
Lennox is proud to display the Energy Star logo for this product, which
means it meets the Environmental Protection Agency's (EPA) standards by
using less energy which reduces pollution.
 We
are also proud of the fact that Dimension® has earned the reputable
Good Housekeeping Seal.
 And
we build according to an ISO 9002 registered quality system.
Quality Dealers
You Can Count On
Choosing the right dealer is every bit as important as choosing the
right brand of equipment. Every Lennox Dealer, which includes
independently owned and operated businesses, has to meet the Lennox
Quality Dealer standards. We think you'll agree they're a big reason why
you can count on getting quality service whenever you call your Lennox
Dealer.
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Quality Components
1. DuralokPlus® Primary Heat Exchanger --
The heart of the
Dimension furnace operates by burning the fuel inside the heat exchanger
that warms the air traveling across the outside of the heat exchanger.
Made of high-quality patented ArmorTuf™ aluminized steel, its patented
crimped seam is a Lennox exclusive feature designed to provide longer
life and safer operations.
2. Secondary Heat Exchanger --
Allows the furnace to reach
higher efficiency levels by capturing every last bit of available heat
and is made of rugged 29-4C stainless steel for corrosion resistance.
3. In-Shot Burners --
One-piece burner, designed and built by
Lennox for quiet and reliable operation
4. Insulated Blower Compartment And Cabinet --
Reduces noise
for quiet operation
SureLight Ignition System
5. SureLight Control Board --
Patented adaptive technology
adjusts to ever changing conditions for reliable operation
SureLight Igniter --
Made of silicon nitride, a virtually
unbreakable material
Two-Stage Heating
 6.
Two-Stage Control Board -- Control center for two-stage operation
 7.
Two-Stage Gas Valve -- Adjusts amount of gas to accommodate two
stages of operation
8. Two-Speed Combustion Air Blower --
Adjusts amount of air
delivered to accommodate two stages of operation
Dimension® Gas Furnace Specifications
| G32 |
Q3-75 |
Q3/4-100 |
Q4/5-100 |
Q4/5-125 |
| Input Btuh
(kW) High Fire |
75,000
(22.0) |
100,000
(29.3) |
100,000
(29.3) |
125,000
(36.6) |
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| Output Btuh
(kW) High Fire |
68,850
(20.1) |
93,200
(27.3) |
92,400
(27.0) |
116,375
(34.1) |
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| A.F.U.E. |
93.0% |
93.7% |
93.2% |
94.2% |
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| Nominal
Cooling - Tons |
1 - 3 |
2 - 4 |
3-1/2 - 5 |
3 - 5 |
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| Electrical
Data - 60hz |
120
volts - 1 phase all models |
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| Shipping
Weight - lbs.(kg) |
157(71) |
186(84) |
198(90) |
218(99) |
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| Dimensions
- Upflow Position - H.W.D.(in) |
46x16-1/4x28-1/2 |
46x21-1/4x28-1/2 |
46x21-1/4x28-1/2 |
46x26-1/4x28-1/2 |
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| Dimensions
- Upflow Position - H.W.D.(mm) |
1168x413x724 |
1168x540x724 |
1168x457x724 |
1168x667x724 |
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| GHR32 |
Q2/3-50 |
Q3-75 |
Q4/5-100 |
Q4/5-120 |
| Input Btuh
(kW) High Fire |
50,000
(14.7) |
75,000
(22.0) |
100,000
(29.3) |
120,000
(35.2) |
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| Output Btuh
(kW) High Fire |
47,000
(13.8) |
70,000
(20.5) |
93,000
(27.2) |
111,000
(32.5) |
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| A.F.U.E. |
92.5% |
90.5% |
92.5% |
90.5% |
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| Nominal
Cooling - Tons |
2 - 3 |
2 - 3.5 |
3.5 - 5 |
3.5 - 5 |
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| Electrical
Data - 60hz |
120
volts - 1 phase all models |
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| Shipping
Weight - lbs.(kg) |
147(67) |
155(70) |
196(89) |
205(93) |
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| Dimensions
- Upflow Position - H.W.D.(in) |
40x16-1/4x28-1/2 |
40x16-1/4x28-1/2 |
46x21-1/4x28-1/2 |
46x26-1/4x28-1/2 |
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| Dimensions
- Upflow Position - H.W.D.(mm) |
1016x413x724 |
1016x540x724 |
1168x457x724 |
1168x667x724 |
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| Note:
Due to Lennox' ongoing commitment to quality, all
specifications, ratings and dimensions are subject to change
without notice.
As an
EnergyStar® Partner, Lennox Industries Inc. has determined that
this product meets the EnergyStar guidelines for energy
efficiency.
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