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Heating Systems Company
A subsidiary of BRADFORD WH/TE"Corporation
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A NEW GENERATION OF WARMTH
The NeoTherm residential condensing boiler is the latest technological
advancement in home heating From Laars Heating Systems. Respected the
world over, Laars represents 60 plus years of design and engineering innovation
for residential, commerciql and industrial space and water heating applications.
�� You an:b�.�re l� no company stands behind its products
as ell as Laar� or aff�rs the extensive su ort staff the
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fiel�ll technicians and net�vvork of service personnel that you'll
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find with Laars Heating Systems. From giant boilers for hotels,
stadiums, schools and casinos to the reliable heating system
in your home, Laars is the name to trust.
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T; High in efficiency and low in emissions, the new NeoTherm°
condensing boiler from taars Heoting Systems is a fully
packaged, space-saving hydronic solution.
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NeoTherm is a direct vent, sealed combustion,
condensing boiler boasting 95% efficiency that
modulates with a 5 to 1 turndown. Zero
clearance to combustibles and the convenient top
connections (horizonta� or vertica� direct vent)
make NeoTherm perfect for tight installations.
Featuring an ASME stainless steel heat exchanger
and �ow NOx emissions, NeoTherm is easy to
use, and easy on the environment. Built standard
with the new LAARS Integrated Control System ;
the ignition control, temperature control and high
limit are contained in one safe user-friendly device.
NeoTherm is ever�ything a modern boiler shovld be... easy-to-use,
easy on the environment, powerfvl and compact. It's the perfect
choice for today's demanding homeowner.
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Healing Srstems �ompanr
A subsidiary of BRADFORD WH/TE`Corporation
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TEN GREAT REASONS
TO CHOOSE NEOTHERM FOR YOUR HOME HEATING NEEDS
1. Energy Star certifieci
NeoTherm brings comfort
and savings to r,
the home with � ;,
95%+ efficiency. �
s. The direct vent, sealed
combustion NeoTherm can
vent up to 100' in PVC
pipe - this keeps down
insta��ation costs.
Combustion air can be
ducted directly to the boiler
- great in modern energy
efFicient homes.
3. Compact in size,
NeoTherm is approved for
c�oset insta��ations. It can fit
a�most anywhere!
4. NeoTherm is easy to setup
and install thanks to the
LAARS integrated
Control System that
comes standard with
each unifi.
FEATURES:
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� Natural or propane gas
Four Residential sizes
(80,000 to 210,000 BTU)
Water, air, vent and gas
connections on top of boiler
ASME Stainless steel
heat exchanger
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5. NeoTherm modulates down
to 20%, so it automatically
and seamlessly matches the
heating load of your home.
NeoTherm saves up to 30%
when compared to old
cast-iron "on-off" boilers.
6. NeoTherm is
environmentally friendly
and meets the most
stringent U.S. state cocies
�w for NOx emissions.
Rated for alcove and
c�oset insta��ations
Large user interface
and display
Perfect for radiant and
baseboard heating
7. NeoTherm is available in
four residential sizes that
range from 80,000 BTU/hr
to 210,000 BTU/hr.
8. NeoTherm's condensing
design makes it perfect for
both �. .
radiant
floor �"`• = '
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heating �
and �
baseboard systems.
9. NeoTherm is competitiveiy
priced and provides
ultra-high efficiency,
making it the best choice in
residential heating.
10. NeoTherm is
backed by
12 a 12-year �imiteci
YEAR �"'arraniy, the best in
LIMITEO �e business. �ust what
WARRANTY
you'd expect from a
company committed
to customer satisfaction.
Qualifies for many
loca) utility rebates
12 year limitecl warranty
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LAARS° NEOTHERM° RESIDENTIAL HYDRONIC BOILER
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NeoThe�m Feafvres:
• Floor-standing condensing boiler
• All connections are on top of unit
• Stainless steel heat exchanger
• Rated for alcove and closet
insta��ations
• Easy to service
• Will qualify for Energy Rebates
• 95%+ AFUE
• LAARS Integrpted Control
Systems""
• Works with BAS
R NeoTherm is shipped wi�h
adapters lor the air and vent
Nat accept standard pipe of
the proper size and rype.
Dirnensions are nominal and
ae shown in inches, cm.
A B D
Standard Equipmen�
• High conclensing efficienry
• Modulation down to 20% of full fire
(5:1 turndown)
• Sealed combustion chamber
• Pre-mix stainless steel burner
• Low NOx system exceeds ti�e most
stringent regulations for air quality —
l Oppm NOx
• Horizontal or vertical direct vent
• Horizontal vent and air terminals
• Vent and air pipe lengths of up to
100 equivalent feet (each)
• Built-in condensate trap
• Vent temperature cutoff
• Indirect water heater priority (sensor
included)
• ASME 30 psi (207 kPa) working
pressure heat exchanger
• ASME "H" stamp
• Stainless steel heat exchanger with
welded construction (no gaskets)
• 30 psi (207 kPa) ASME rated
pressure relief valve
• Temperature anci pressure gauge
• Drain valve
Size in cm in cm in cn
80 19�h 49 9Vz 24 7Vz lf
105 19�h 49 8�b 2f 6�b 1E
150 19�h 49 5'h 14 3Va 8
210 263/a 68 5Vz 14 5Vz 8
TOP VIEW
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FRONT VIEW
E F G
in cm in cm in cm
11 28 1 P�/a 27 133/n 35
11 28 9 22 14Va 36
11 28 7Vz 19 14Va 36
18 45 113/a 30 14Va 36
Optlonal Pump Location
(field-mounted)
• Multiple pump control for boiler,
system and inciirect ciomestic water
pumps, each with delay
• Optional pump �sized to model)
available for field installation
• Electronic PID modulating control
• Direct spark ignition
• Large user-interFace and display
• Alarm output
• Accepts e�cFernal (4- 20mA or 0-
l OVDC) modulation signal
• Outdoor reset (sensor includedj
• On/Off toggle switch
• Manual reset high limit
• Burner site glass
• Flue gas temperature cuto(f
• Zero clearance to combustible
surfaces
• 12-year limited warranty
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RIGHT SIDE VIEW
J K L Air Inlet'
in cm in cm in cm in cm
3Vz 9 113/a 30 13�/z 34 2 5
3�h 9 113/a 30 13Vz 34 2 5
5 13 7Vz 19 13Vz 34 3 7
5 13 7Vz 19 20Vz 52 3 7
Input Output pFUE
o�
Size BTU/h BTU/h
so s0000 �siso s�.2
105 105000 100065 95.3
150 150000 142800 95.2
210 210000 200340 95.4
CONDENSATE
TRAP OUTLET
13
33
7
78
BACK VIEW
Vent* Cannections Max Vent Length CVPC Weigl
in cm Water Gas 2" Dia. 3" Dia. Ibs.
2 5 1 NPT �k NPT 40 ft. 100 ft. 181
2 5 1 NPT Vz NPT 40 ft. 100 ft. 188
3 7 1 NPT �h NPT n/a 100 ft. 201
3 7 1 NPT �/z NPT n/a 100 ft. 246
c��� 800.900.9276 FAX 800.559.1583 (Customer Service, Service Advisors)
� 20 Industrial Way, Rochester, NH 03867 603.335.6300 FAX 603.335.3355 (Applications Engineenng)
,,, 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 905.238.0100 FAX 905.366.0130
.rJ."-'.,JJJIJJ .:�,iJ.�JJJo �J��JfJJ1Jf
A subsidiary of BRADFORD WH/TE"'Corporation www. Laars. com Litho in U.S.A. OO Laars Heating Systems Co. 0902 Doc. 12206
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