Brochure
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 Engineering)
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • FAX 905.366.0130
www.Laars.com
Litho in U.S.A. © Laars Heating Systems Co. 1412 Doc. 1220G
Size
Water Gas 2" Dia. 3" Dia. lbs.
80 1 NPT
1
/2 NPT
1 NPT
1
/2 NPT
1 NPT
1
/2 NPT
1 NPT
1
/2 NPT
40 ft. 100 ft.
105 40 ft. 100 ft.
150
n/a
100 ft.
210 n/a 100 ft.
Weight
181
188
201
246
Connections Max Vent Length CVPC
LKJDBA
in
19
1
/2
19
1
/2
19
1
/2
26
3
/4
49
49
49
68
5
1
/4
14
3
1
/4
8
18
45
11
3
/4
30
14
1
/4
36
7
1
/2
19
20
1
/2
52
5
14
cm in
9
1
/2
8
5
1
/4
24
21
14
cm in
7
1
/2
6
1
/4
3
1
/4
19
16
8
cm in
11
11
11
28
28
28
cm in
10
3
/4
9
7
1
/2
27
22
19
cm in
13
3
/4
14
1
/4
14
1
/4
35
36
36
cm in
4
1
/2
4
1
/2
5
10
10
14
cm in
11
3
/4
11
3
/4
7
1
/2
30
30
19
cm in
13
1
/2
13
1
/2
13
1
/2
34
34
34
cm in
2
2
3
5
5
7
3 7
2
2
3
5
5
7
3 7
cm in cm
EFG
Air Inlet* Vent*
LAARS
®
NEOTHERM
®
RESIDENTIAL HYDRONIC BOILER
STANDARD EQUIPMENT:
• High condensing efficiency
• Modulation down to 20% of full fire
(5:1 turndown)
• Sealed combustion chamber
• Pre-mix stainless steel burner
• Low NOx system exceeds the most
stringent regulations for air quality –
10ppm 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 and pressure gauge
• Drain valve
• Multiple pump control for boiler,
system and indirect domestic 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 external (4- 20mA or 0-
10VDC) modulation signal
• Outdoor reset (sensor included)
• On/Off toggle switch
• Manual reset high limit
• Burner site glass
• Flue gas temperature cutoff
• Zero clearance to combustible
surfaces
• 12-year limited warranty
NEOTHERM FEATURES:
• Floor-standing condensing boiler
• All connections are on top of unit
• Stainless steel heat exchanger
• Rated for alcove and closet installations
• Easy to service
• Qualifies for many Energy Rebates
• 95% AFUE
• LAARS Integrated Control System
SM
• Works with Building Automation
Systems
• Backlit LCD display with touch pad
• Quick Setup control feature
• Control display in plain English,
not cryptic codes
80
105
150
210
Size
80000
105000
150000
210000
Input
76,000
99,750
142,500
199,500
Output
95.0
95.0
95.0
95.0
AFUE
%
BTU/h BTU/h
A
S
M
E
H




