The most flexible boiler system in the industry

[ Air ]
[ Water ]
GB162
Buderus
Wall-Mounted
GB162
Series Wall-Mounted
Gas
Gas Condensing
Condensing Boiler
Boiler
Output: 290 MBH
Output:
MBH and
and333
333MBH
MBH
[ Earth ]
[ Buderus ]
The most flexible boiler system in the industry
Comfortable. Efficient. Intelligent Heating.
Good things come in small packages
The GB162 Series
The GB162 is a high-performance, compact gas condensing boiler capable of
achieving ultra-high efficiency levels of 96%. GB162 boilers are available with
individual inputs of 290 MBH or 333 MBH. Each boiler, though, is capable of
modulating down to 20% of the input to ensures that when the demand for heat is
low the efficiency is maintained. Optimum performance minimizes energy usage and
is achieved in the GB162 through the large, aluminum ALU-Plus heat exchanger,
an advanced Energy Management System, and by encouraging the condensing
process.
With systems designed to operate at 190ºF–122ºF, the GB162 can remain in
condensing mode as much as possible, providing energy savings year-round. In
addition to ensuring optimal condensing performance through comprehensive
heating system control, the advanced Energy Management System (EMS) also
ensures minimal energy usage, and reduced emissions.
Save Space and Energy
The GB162 can be used individually in a residence or commercial operation, but it is
especially well suited for multi-boiler cascades. Typically linking together two to four
boilers, cascades may be expanded up to 8 units to meet the required BTU load of
your installation.
With the GB162's small size, wall-hung attribute, and light weight—only 150 lbs
each—there is a great deal of flexibility in planning an installation. Not only is it
easy to install as a single unit, but it is easy to install as a multi-boiler cascade. The
boilers can be configured back-to-back or in-line by using our custom frame. This is
especially useful when boiler rooms are small or unusually shaped. In fact, a 4-boiler
cascade, delivering over 1,000 MBH, can fit in less than 13 square feet of floor
space. This makes the GB162 ideal for new installations, as well as for replacing an
inefficient heating system and freeing up valuable commercial floor space.
The GB162 is also extremely quiet in operation, thanks to a number of acoustic
insulation measures and the low resistance on water flowing through the boiler.
Combine its compact size, wall-hung versatility, and quiet operation with its vertical or
horizontal venting options, and the GB162 makes heating system planning easier, as
it offers potential placement not just in a traditional boiler room.
ALU-Plus Modern Technology
– Modern Efficiency
The Buderus GB162 wall-hung
condensing boilers use an advanced,
aluminum ALU-Plus heat exchanger
design. This lightweight heat exchanger
has a number of innovative features
to prolong its life and increase the
Outstanding Efficiency
The GB162 is capable of achieving
efficiencies of up to 96%. This is due,
in part, to its patented, extremely
efficient, aluminum silicate ALU-Plus
heat exchanger, but also because our
advanced Energy Management System
encourages the GB162 to remain in
condensing mode.
Condensing technology has long been
used in Europe. By condensing the
water vapor in the flue gases into liquid
water, the maximum amount of heat
from the fuel is captured.
The condensing efficiencies of the
GB162 can also be combined with
the benefits of a cascading system to
ensure you receive every possible bit of
energy from the fuel you are burning.
GB162
Wall-Mounted
Gas Condensing Boiler
Output: 290 MBH and 333 MBH
Scalable solutions for any application
efficiency of the boiler. Fins on the outside of the aluminum tube increase the
exterior surface area. This means more hot flue gas comes into contact with the
heat exchanger to maximize heat transfer. A spiral channel on the inside of the tube
increases the internal surface area and creates turbulence, bringing more water into
contact with the heating surface, also ensuring optimal heat transfer. The surface
of the heat exchanger tubes are treated with a patented plasma-polymerization
process that leaves the surface so smooth that no deposits can adhere to it. In
addition to also helping maintain extremely high efficiency, this keeps the heat
exchanger clean.
Achieve Greater Efficiencies with a Cascade and Reduce Carbon Footprint
Energy efficiency is not just applicable to domestic boilers, even though that is
what we most often hear of. Boilers for commercial applications—from offices
and public buildings to hospitals, schools and colleges, multi-family dwellings,
and sports centers—also
have a significant impact on our
environment. Companies and
owners of commercial properties
are increasingly looking to improve
or upgrade their boiler rooms to
maximize energy efficiency, but also
to minimize their carbon emissions
and increase the value of the building.
39
in
ch
e
s
Cascade systems, a relatively new
development in heating technology,
44
achieve significant energy savings
in
ch
es
because their output can be
precisely controlled to match the
demand for heating. Each individual
unit comes into operation only when
the demand is high enough for an additional boiler in the cascade to fire. A cascade
system adapts particularly well to seasonal temperature changes by allowing heat
output to be precisely matched to heating demand whether in summer or winter.
The optional 4323 commercial control handles up to 8 GB162 boilers and offers
the flexibility to operate the cascade in either series or parallel mode. In serial mode
the heat demand will fire the first boiler and, as load increases, it will continue
to modulate to 100%. If the heating demand is not satisfied, the control will fire
additional boilers in the same manner until the load or capacity is met.
To better conserve energy, the boiler cascade can also operate in parallel mode.
In parallel mode the first boiler would fire at 20% and, as the heat load increases,
additional boilers would fire at 20% until all boilers are operational. Once all the
A Safe Economical Choice
Buderus manufactures with strict
quality procedures. This ensures
that all our boilers are fully tested
at the factory and are certified to
meet rigorous standards for safety,
efficiency, and the environment.
At Buderus we use only the most
reliable and efficient components in
the design and manufacture of our
products. All Buderus boilers are
built to withstand heavy and constant
use. The GB162 is no exception. It
benefits from the very latest in high
efficiency heating technology with the
patented, award winning ALU-Plus
heat exchanger, and a host of energy
saving features.
Award-winning Design
The GB162 is the
proud recipient of
the 2008 iF Product
Design award. Every
year about 2,700
products from 35
countries are judged
by renowned experts.
Only the best products receive the iF
seal of outstanding design quality. The
iF seal is one the world’s three leading
design awards. It is an internationally
recognized trademark, recognizing its
recipient's place on the cutting edge of
contemporary design.
Ease of installation
for single or multi-boiler cascade
boilers in the cascade are firing, the control collectively modulates all the boilers to
satisfy the load. Parallel mode enables the boilers to run at the lowest modulation
rate for the longest period of the heating cycle.
Optional controls also allow a cascade heating system to be configured so that
different zones can be operated with mixed temperature circuits and domestic hot
water priority. To ensure that the system always runs in the most efficient mode of
operation, this is all automatically controlled.
Easy Service and
Quiet Operation
A ceramic pre-mix burner and modulating
fan provide modulation to 20% of total
output and the boiler is so quiet that it can
be located near living or working areas
without causing a disturbance.
Straight Forward Installation
A single GB162 boiler comes complete with a pump group, wall mounting bracket,
and low loss header to expedite the assembly of the near boiler piping.
For a multi-boiler system, Buderus offers both in-line and back-to-back cascade
package. With all the necessary fittings and accessories to allow the installer
to simply assemble the framework and join everything together installation is a
since. Once the boilers are mounted on the frame work, they are connected with
the factory-supplied low-loss header and then covered with the pipe insulation.
The result is an easy installation where everything fits perfectly, all the piping is
neat, and the boilers are ready to be connected to the main heating system. The
combination of the low-loss header and EMS control system ensures worry-free
boiler flow rates.
1st step:
The sturdy floor
standing cascade
framework is
bolted together.
1st step:
2nd step:
Low-loss header,
The sturdy floor
2nd step:
3rd step:
flow, return and gas
standing cascade
Low-loss header,
Individual GB162
pipes are fitted.
framework is
flow, return and gas
boilers are mounted
bolted together.
pipes are fitted.
securely on the
framework.
3rd step:
Individual GB162
4th step:
boilers are mounted
Pump groups (additional
securely on the
accessory) and valves are
framework.
connected to boilers and flow
and return pipe work attached
to the headers.
The compact size and light weight of the
GB162 allows for ease of installation, even
where space is limited. A single push button
door release allows access to all parts,
including the heat exchanger, for servicing.
What could be easier?
4th step:
Pump groups (additional
accessory) and valves are
connected to boilers and flow
and return pipe work attached
to the headers.
1st step:
2nd step:
3rd step: 5th step:
4th step:
1st step:
2nd
step: GB162
3rd
step:
Low-loss header,
Individual
Pump
groups (additional
The sturdy floor
Custom-fit insulation is
5th step:
Low-loss
header,
Individual
flow, returnThe
andsturdy
gas floor
boilers are
mounted
accessory)GB162
and valves are
standing cascade
added
to pipe work
2nd step:
3rd
step:
4th
step:
Custom-fitstanding
insulation
is
3rd step:
4th step:
flow,
return
and
gas around each
boilers
are mounted
cascade
pipes are fitted.
securely
onand
thefitted
framework is
connected
to boilers and flow
added(additional
to pipe
work is
ader, Low-loss header, Individual GB162 bolted together.
groups
IndividualPump
GB162
Pump groups
pipes
are(additional
fitted.
securely
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the work attached
framework
framework.
and return
pump group to
p:
2nd step:
3rd step:
4th
step:
and
fitted
around
each
and gas
boilers are mounted
and
valves
are together.
framework.
bolted
flow, return Low-loss
and gas
boilers
areaccessory)
mounted
accessory)
and valves
are
to the headers.
minimise
heat loss.
header,
Individual
GB162
Pump
groups
(additional
dy floor
pump
group and
to flow
ted.
securely on the
connected
to boilers
pipes are fitted.
securely
connected
to are
boilers and flow
flow, return and gas
boilerson
arethe
mounted
accessory)
and valves
g cascade
minimise
heatattached
loss.
framework.
and return
pipe work
pipes are fitted.
securely
on
the
ork is
connected
to boilers
andwork
flow attached
framework.
and return
pipe
to the headers. 1st step:
2nd step:
3rd step:
4th step:
framework.
andLow-loss
return
pipe work attached
ogether.
header,
Individual GB162
Pump groups (additional
The sturdy floor
to
the
headers.
flow, return
and gas
boilers are mounted
accessory) and valves are
standing cascade
to the
headers.
5th
pipes
are step:
fitted.
securely on the
framework is
connected to boilers and flow
framework.
and return pipe work attached
bolted together.
5th step:
Custom-fit insulation is
to the headers.
Custom-fit insulation is
added to pipe work
2nd5th
step:
3rd step:
4th step: and fitted around each
step:
added to pipe work
Low-loss
header,
Individual GB162
Pump groups
(additional
or
Custom-fit
insulation is
and fitted around each
pump
group to 5th step:
5th step:
flow,
return
and
gas
boilers
are
mounted
accessory)
and
valves
are
ade
added
to
pipe
work
Custom-fit
insulation
is
5th step:
1st step:
2nd step:
3rd step:
4th step:
pump group to
minimise heat loss.
Custom-fit insulation is
added to pipe work
pipes
fitted.
securely
on
the
connected
to
boilers
and
flow
andare
fitted
around
each
insulation
Low-loss
header,is
Individual GB162
Pump
(additional
The sturdy floor Custom-fit
heat loss.
and fitted around
each groupsminimise
Custom-fit
addedinsulation
to pipe workis
pump group to
framework.
and
return
pipe
work
attached
er.
pumpstanding
group tocascade Added to
pipe
work
flow,
return
and gas
boilers are mounted
accessory) and valves are
minimise heat loss.
fitted around
addedand
to pipe
work each
to
the
headers.
minimise
heat
loss.
And fitted
around
each
pipes
are fitted.
securely on the
framework is
connected to boilers and flow
pump group to
and fitted
around
each
group
to
framework.
and return pipe work attached
bolted together. Pump
minimise heat loss.
Minimize
heatto
loss.
pump group
to the headers.
minimise heat loss.
Can be assembled
5th step:
to either side.
Custom-fit insulation is
added to pipe work
and fitted around each
pump group to
minimise heat loss.
5th step:
Custom-fit insulation is
added to pipe work
and fitted around each
pump group to
minimise heat loss.
4th step:
Pump groups (additional
accessory) and valves are
connected to boilers and flow
and return pipe work attached
to the headers.
GB162
Wall-Mounted
Gas Condensing Boiler
Output: 290 MBH and 333 MBH
Sophisticated controls for
optimal performance
Complete Your System
Once you have a Buderus boiler, you can add a Buderus indirect fired hot water
tank, or an optional Buderus control — or both. In addition to maximizing comfort
and fuel savings, optional Logamatic control will accommodate specialized heating
applications such as radiant flooring or multiple boilers. Multiple design innovations
increase the versatility of Buderus Logamatic controls. A Buderus boiler combined
with a Logamatic control produces a premium heating system that will provide years
of exceptional comfort and economy.
Optional integrated multi-boiler system
controller with the following features and
control modules:
Buderus Controls
Standard
AM10 weather compensation module included for single
boiler installations
4000 Control
Control of single and modulating burners
for up to 8 boilers with 4323 control
BC10 boiler control included with cascades
RC35 Control
Options
RC35 control with automatic mode and adjustable programs ensures energy-saving
operation by reducing the room temperature at certain times or shutting down
heating completely (adjustable night setback) to control the heating system to
ensure optimum heating comfort and minimum energy consumption.
MCM10 (cascade module) for 4 boiler installations. Expandable to 8 boilers using 2
MCM10 Modules.
4000 series controls
Accommodates single or multiple boiler installations
Can be interfaced to a building management system via LON module
Modular construction allows for ease of field configuration and flexibility of
installation
SM10 solar DHW module, controls solar pump and sensors for the collector panels
and the tank
WM10 low loss header sensor module and hydraulic decoupler for use with
cascade systems
The Convenience of a Logamatic Control
In addition to manual adjustments, Logamatic controls can be pre-programmed for
automatic night and day functions and pre-set to trigger automatic adjustments
based on outdoor or indoor temperature shifts. This includes adjustment by time,
date, or temperature between various modes of operation. All Logamatic controls
now include summer, winter and vacation modes to efficiently regulate energy
consumption. An optional module is available that enables direct communication
with building management systems.
Multiple or Single Boiler Control with the 4000 Series
Logamatic controls can be used to adjust the firing rates of burners in multi-boiler
systems. The Logamatic control maintains precise control of system temperature to
match load requirements, providing maximum system efficiency. This regulation is
effective in single or multi-boiler systems, with any heat source, and in accordance
with one or multiple heating zones.
Automatic and load/switch dependent
burner rotation
Operation of boiler pumps, 2, 3, or 4-way
valves and system pumps
Capable of DHW and other external
on-demand loads
Self diagnostics and system parameter
display
Solar Integration Module
Technical Specifications
Single Units
GB162/80
GB162/100
General Specifications
Natural Gas (NG)
Liquid Propane (LP)*
Natural Gas (NG)
Liquid Propane (LP)*
Rated thermal load input
69,000−290,000 btu/h
58,000−270,000 btu/h
69,000−333,000 btu/h
58,000−315,000 btu/h
Heating capacity / Gross output
61,400−260,000 btu/h
51,600−242,000 btu/h
61,400−298,000 btu/h
51,600−282,000 btu/h
226,000 btu/h
210,000 btu/h
259,000 btu/h
245,000 btu/h
93.8% AFUE
93.9% AFUE
Low Fire 96.1%
High Fire 90.8%**
Low Fire 96.1%
High Fire 90.8%**
De-ration altitudes 2,000–5,500 ft.
%/1,000 ft.
2.2
2.3
2.0
2.1
De-ration altitudes 5,500–8,000 ft.
%/1,000 ft.
2.0
2.5
1.7
2.1
De-ration altitudes 8,000–10,200 ft.
%/1,000 ft.
2.8
2.0
2.6
1.9
Net IBR
Efficiency rating
Heating
Maximum flow temperature
190˚F (88˚C)
Max. working pressure (boiler)
50 psi (3.6 bar)
Min. water circulation volume
0
Flow temperature
86–190˚F (30–88˚C), can be set on the BC10 basic controller
Resistance at rT = 20 K
3.26 psi (225 mbar)
4.57 psi (315 mbar)
Heating circuit volume of heat exchanger
1.3 gal. (5.0 l)
Pipe Connections Boiler, Without Pump Group
Gas connection (E)
Rp1"
Heating water connection
G1½" union nut with female thread enclosed
Condensate connection (G)
Ø 1¼" (32 mm)
Flue Gas Values
Condensate quantity at 122/86˚F
(50/30˚C)
2.4 gal/h (9.0 L/h)
2.85 gal/h (10.8 L/h)
pH value of condensate
approx 4.1
Flue gas mass flow rate, full load
35.3 g/s
44.9 g/s
Flue gas temp, full load
176/140˚F (80/60˚C)
153˚F (67˚C)
149˚F (65˚C)
169˚F (76˚C)
165˚F (63˚C)
Flue gas temp, partial load
176/140˚F (80/60˚C)
142˚F (61˚C)
136˚F (58˚C)
142˚F (61˚C)
136˚F (58˚C)
Flue gas temp, full load
122/86˚F (50/30˚C)
118˚F (48˚C)
114˚F (46˚C)
124˚F (51˚C)
120˚F (49˚C)
Flue gas temp, partial load
122/86˚F (50/30˚C)
93˚F (34˚C)
88˚F (31˚C)
93˚F (34˚C)
88˚F (31˚C)
9.3
9.6
9.4
9.7
CO2 content at full load
Free fan feed pressure
0.602 inch w.c. (150 Pa)
0.883 inch w.c. (220 Pa)
Flue Gas Connection
Ø flue gas system, room-air dependent
Ø 4" (100 mm)
Ø flue gas system, room-air independent
Ø 4" (100 mm) / 4" (100 mm) parallel
* Special order field conversion kit required
** I=B=R Rating based on AHRI BTS2000 spec. 180 degree F supply and 80 degree F return
GB162
Wall-Mounted
Gas Condensing Boiler
Output: 290 MBH and 333 MBH
C
E
38.58" (980 mm)
5.3" (135 mm)
50.4" (1280 mm)
D
D
E
E
F
F
24.8" (630 mm)
8" (630 mm)
1.4" (35 mm)
5.4" (138 mm)
6.4" (162 mm)
1.54" (39 mm)
5.1" (130 mm)
H/J
5.1" (130 mm)
24.8" (630 mm)
fications
1.4" (35 mm)
5.4" (138 mm)
6.4" (162 mm)
1.4" (35 mm)
5.4" (138 mm)
6.4" (162 mm)
1.54" (39 mm)
5.1" (130 mm)
0
G1.54" (39 mm)
5.1" (130 mm)
G
H
5.1" (130 mm)
I
20.5" (520 mm)
A
A/B
0
B
4.1" (103.5 mm)
C
16" (406 mm)
D/F
G
E
G
5.5" (140 mm)
16" (406 mm)
D/F
G
E
F
0.25" (6 mm)
J
5.1" (130 mm)
24.8" (630 mm)
A (LA)
B (AA)
C (WB)
D (VK)
E (GAS)
F (RK)
D/F
G
(AKO)
G
E
H (PF)
I
J (PR)
H/J
=
=
=
=
=
=
=
=
=
=
16" (406 mm)
Flue gas connection;
Air intake connection;
Wall Bracket (not shown)
Supply;
Gas connection to boiler;
Return;
Condensate outlet;
D E
F
Pump group supply;
Gas connection to pump group;
Pump group return;
1.4" (35 mm)
1.54" (39 mm)
5.4" (138 mm)
6.4" (162 mm)
5.1" (130 mm)
39.5" (1003 mm)
40.55" (1030 mm)
51.6" (1310 mm)
4.1" (103.5 mm)
With pump group
6" (152 mm)
C
39.5" (1003 mm)
40.55" (1030 mm)
51.6" (1310 mm)
D
0
4.2
18.3" (465 mm)
A B
4.1" (103.5
mm)
16" (406 mm)
D/F
G
E
20.5" (520 mm)
B
38.58” (980 mm)
5.3" (135 mm)
A/B
0
A
0
39.5" (1003 mm)
40.55" (1030 mm)
51.6" (1310 mm)
C
20.5" (520 mm)
39.5" (1003 mm)
40.55" (1030 mm)
51.6" (1310 mm)
4.1" (103.5 mm)
0
1.2" (30 mm)
18.3" (465 mm)
6" (152 mm)
20.5" (520 mm)
38.58" (980 mm)
5.3" (135 mm)
0.25" (6A/B
mm)
1.2" (30 mm)
20" (500 mm)
B
0.25" (6 mm)
6" (152 mm)
1.2" (30 mm)
1.2" (30 mm)
A/B
A
0
38.58” (980 mm)
5.3" (135 mm)
0.25" (6 mm)
20.5" (520 mm)
4.1
Without0 pump
group
18.3" (465 mm)
6" (152 mm)
m)
With pump group
18.3" (465 mm)
50.4" (1280 mm)
4.2
up
G
H
I
J
5.1" (130 mm)
A (LA
B (AA
C (WB
D (VK
E (GA
F (RK
G (AK
H (PF
I
J (PR
GB162-80 (NG)
GB162-80 (LP)
GB162-100 (NG)
GB162-100 (LP)
Natural gas
Propane
Natural gas
Propane
load
btu/h
69,000
290,000
58,000
270,000
69,000
333,000
58,000
- 315,000
General specifications
unit
GB162-80 (NG)
GB162-80
(LP)
GB162-100 (NG
capacity,
btu/h
Gas
category
Natural
gas
Propane
Natural gas
4.2 With pump group
176/140°F (80/60°C) Rated thermal load
61,400 - 255,200
51,600
237,600
61,400
293,000
51,600
277,200
btu/hcombustion69,000
- 290,000
58,000
- 270,000
All non-steel
air and vent
pipe materials and
fittings must
comply with the69,000
following - 333,000
capacity,
btu/h
and must
be UL approved venting material. See product manuals for additional information.
Rated
heating
capacity,
btu/h
A
B
A B
122/86°F (50/30°C) A/B
68,300 - 281,300
57,400 - 261,900
68,300 - 326,300
57,400 - 308,700
heating curve 176/140°F (80/60°C)
61,400 - 255,200
51,600 - 237,600
61,400 - 293,000
Approved Vent Pipe Material:
y at max. capacity,
%
Item
Material
United
States
Canada
Rated heating capacity,
btu/h
C
176/140°F (80/60°C)
88
88 Fab (Saf.T.Vent
Stainless Steel
heating curve 122/86°F (50/30°C)
68,300
- 281,300 Heat
57,400 - 261,900
68,300 - 326,300
EZ seal), Z-Flex (Zvent
y at max. capacity,
%
4" (100 mm) Vent
BH Gas venting
IV
Special
Gas
Boiler
efficiency
at
max.
capacity,
%
122/86°F (50/30°C)
97 pipe and fitting
98
systems, ULC
CPVC schedule 40, 80 88ANSI/ASTM F441
heating curvebtu/h
176/140°F (80/60°C)
261,000
243,000
295,000
279,000 S636*
A (LA)
= Flue gas connection;
ANSI/ASTM F493
cement/
primer CPVC
at max.
%
des 2,000 - 5,500 ft Boiler efficiency
% / 1,000
ft capacity,
2.2 B (AA) = AirPipe
2.0
2.1
intake2.3
connection;
C (WB)
= Wall Bracket (not shown)
heating
curve
122/86°F
(50/30°C)
9
7
des 5,500 - 8,000 ft
% / 1,000 ft
2.0 D (VK) = Supply;
2.5
1.7
2.1
Approved Intake/Combustion Air Pipe Material:
D/F
CSA
btu/h
261,000
243,000
295,000
G Output
E
connection
E
F8,000 - 10,200 ft
des
% / 1,000 ftD E F
2.8 E (GAS) = Gas
2.0 to boiler; Material
2.6
Item
United States1.9
Canada
18.3" (465 mm)
0
0.25" (6 mm)
0
20.5" (520 mm)
0
6" (152 mm)
5.5" (140 mm)
4.1" (103.5 mm)
16" (406 mm)
39.5" (1003 mm)
40.55" (1030 mm)
51.6" (1310 mm)
50.4" (1280 mm)
39.5" (1003 mm)
40.55" (1030 mm)
51.6" (1310 mm)
06 mm)
38.58” (980 mm)
5.3" (135 mm)
1.2" (30 mm)
520 mm)
unit
De-ration altitudes 2,000 - 5,500 ft F (RK) = Return;
% / 1,000 ft
2.2 40,80
2.3
2.0
PVC schedule
ANSI/ASTM
D1785
G (AKO) = Condensate
outlet;
4" (100 mm)
intake/
H
(PF)
=
Pump
group
supply;
De-ration
altitudes
5,500
8,000
ft
%
/
1,000
ft
2.0
2.5
1.7
combustion air pipe
PVC-DWV
ANSI/ASTM D2665
temperature
°F (°C)
190 (88)
BH Gas venting
I
= Gas
andconnection
fittings to pump group;
altitudes
% /group
1,000
ft 50 (3.6)
2.8 40, 80 ANSI/ASTM2.0
2.6
CPVC schedule
F441
systems,
king pressure (boiler)De-ration
psi (bar)8,000G- 10,200 ft J (PR) = Pump
return;
H/J
ULC S636*
PVC
ANSI/ASTM
D2564
Heating
r circulation volume
Gal/h (l/h)H I J
0
Pipe cement/ primer
CPVC
ANSI/ASTM F493
Maximum flow
°Fcan
(°C)be set on
190 (88)
ure
°F temperature
(°C)
86-190 (30-88),
the BC10 basic controller
The required
permanent
minimum
clearances are:
ΔTunit
= 20 K GB162-80
psi
(mbar)
3
.
2
6
(
2
2
5
)
4
.
5
7
(
3
1
5
)
Maximum
working
pressure
(boiler)
psi
(bar)
50 (3.6)
(NG)
GB162-80 (LP)
GB162-100 (NG)
GB162-100
(LP)
Approved Flue
Materials:
front:
4" (102 mm)
volume of heat
exchanger
Gal
(L)
1.3
(5.0)
water
circulation volume
Gal/h
(l/h)
0
Natural
gas
Propane
Natural gas
Propane
Wall
terminals
Flue System (trade name)
Supplier
rightMinimum
side: 0
ons
without
pump0
group
btu/hboiler,69,000
- 290,000
58,000 - 270,000
69,000 - 333,000
58,000
4" (100
mm)
Parallel Stainless
Steel
left
side:
Flow
temperature
°F- 315,000
(°C)parallel
86-190
(30-88), Flex-L/SJTK_DVG
can be set on the BC10 basic
above:
6" (152 mm) in
n btu/h
90°-elbow
with inlet Rp1"
screen Stainless Steel
Z-Flex/Heat Fab
Resistance
at ΔT = 20 K
psi (mbar)
3.26 (225)
4.5
61,400
255,200
51,600
-in237,600
51,600
- 277,200
selected
for installation
MUST61,400 - 293,000 G1½’’
connection The position
union
nut
with
female
thread
enclosed
Heating
circuit
volume
of
heat
exchanger
Gal
(L)
1.3
(5.0)
*Components of the certified vent systems must not be interchanged with other vent systems
allow adequate space for servicing in front of
btu/h
onnection
in (mm)
1¼" Plastic
(32 mm)
or unlisted pipeØfittings.
components, and specified primers and glues of the certified
the boiler
of at least
37" (940
Pipe
connections
boiler,68,300
without
pump group
68,300
- 281,300
57,400
- mm).
261,900
- 326,300
57,400
- 308,700
vent system, must be from a single system manufacturer and not intermixed with other system
es %
Maintain an
installation
clearance from
manufacturer’s
Gas
connection
in vent system parts.
Rp1"
uantity at 104/86°F
combustible construction
from hot water piping of
8
8
8
8
Heating water connection
in
G1½’’ union nut with female thread enclo
at least 1" (25 mm).
Gal/h (L/h)
2.4 (9.0)
2.85 (10.8)
%
Condensate
connection
in
(mm)
Ø 1¼" (32 mm)
97
98
ndensate
pH
approx. 4.1
Flue
gas
values
btu/hrate, full load
261,000
243,000
295,000
flow
g/s
35.3 279,000
44.9
/ 1,000 ft
2.2 Condensate quantity
2.3
2.0
2.1
at
104/86°F
erature 176/140 °F
°F (°C)
153 (67)
149 (65)
169 (76)
165 (63)
G
24.8" (630 mm)
5.1" (130 mm)
1.4" (35 mm)
1.54" (39 mm)
5.4" (138 mm)
6.4" (162 mm)
5.1" (130 mm)
5.1" (130 mm)
Wall Hung Gas Condensing Boiler
GB162 Series
GB162 Benefits at a Glance
Gas valve
Compact Dimension, Light Weight,
High Output
Fully modulating fan
Innovative ALU-Plus condensing heat
exchanger for the longest possible life
and easy servicing
Automatic air vent
Efficiency of up to 94%
Quick-clip burner release
Modulation down to 20% of total output
for year round efficiency
Low NOx ceramic pre-mix burner
Cascades up to 8 units
Ceramic glow igniter
& ionisation electrode
Combustion chamber
Flow temperature sensor
Finned ALU-Plus heat exchanger
Condensate collector & drain
BC10 controller with expansion slot for
RC35 controls
UBA 3 boiler management system
Pump group – available separately
(including isolating valves, gas valve,
custom fit insulation, non-return valves,
thermometer and pressure gauge – see
page 10 for more details)
(Hidden from view) Deep seal push-fit
condense trap
Quick-Install: innovative cascade
concept for easy installation
Ideal for smaller commercial buildings
and large domestic properties
No minimum flow rate required
Whisper quiet
Low flue gas emissions
Integrated BC10 boiler controls with
space for the optional RC35 Digital
Programmer and extension modules
LPG conversion kit available
Limited Lifetime warranty on the heat
exchanger, full year on parts
GB162 Approvals and Certifications
Approval
Numbers
AQMD certified under rule
1146.2 Ref# R08061
CRN 7990.7C
MA # G1-00808-30
A Tradition of Excellence
The World’s leader in hydronic heating technologies since 1825, Buderus produced the world’s first
low-temperature hydronic heating systems. Today, Buderus products are acknowledged as the world
standard in high-efficiency, low emissions hydronic heating. All Buderus products are designed to
meet strict safety and environmental regulations.
Buderus boilers are quick and easy to install and will outlast and outperform virtually any other
commercial hot water heating system. They are designed for easy access and service. With
appropriate maintenance, Buderus boilers deliver the highest possible efficiencies throughout the
lifespan of operation.
Bosch Thermotechnology Corp.
50 Wentworth Avenue Londonderry, NH 03053
Tel: (603) 552-1100 Fax: (603) 584-1681 www.buderus.us
Subject to change without notice
© 2010 Bosch Thermotechnology Corp.
Part Number 44499054 01/10