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Vitodens 222-F, B2TB 19, 35, 68, 125 Installation
Applicability
General Information
When ordering replacement parts, provide either the
16-digit boiler serial number (on the bar code label) or
the 12-digit ASME/NB serial number, located as shown
underneath boiler front enclosure panel. Refer to page 16
for instructions on how to remove front enclosure panel.
Model No. B2TB 19,68
Serial No. 7542250
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Model No. B2TB 35, 125
Serial No. 7542251
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Product Information
CAUTION
The boiler serial number must be provided when ordering
replacement parts.
IMPORTANT
A
Stainless steel Inox-Radial heat exchanger for high
operational reliability, a long service life and high
heating output in the smallest space
B
Modulating MatriX cylinder gas burner for extremely
clean
combustion
C
Integral diaphragm expansion vessel
D
Graphical user interface
E
Integral, 3-speed high efficiency circulation pump
F
Stainless steel DHW primary storage tank.
Natural gas and liquid propane gas-fired condensing
heating boiler for weather-responsive operation in closed
loop, forced circulation hot water heating systems for
space heating and domestic hot water (DHW) production.
The Vitodens 222-F, B2TB boiler comes factory
set for operation with natural gas. For a fuel conversion
to liquid propane gas no conversion kit is required.
The integral primary storage tank 26.5 USG (100 L)
capacity offers the DHW convenience of a separate DHW
tank with approximately twice that volume.
Boiler model must be selected based on an accurate heat
loss calculation of the building. Ensure boiler model is
compatible with connected radiation.
Follow the Vitodens Venting System
Installation Instructions to vent this boiler.
Vitodens 222-F, B2TB boilers are factory-tested and
calibrated. Further gas valve adjustments are not typically
required during field start-up.