Applicability; Product Information - Viessmann VITODENS 200-W WB2B Series Start-Up/Service Instructions

Applicability

CAUTION
The boiler serial number must be
provided when ordering replacement
parts. Some replacement parts are
not reverse compatible with previous
versions of the Vitodens 200-W
WB2B boiler.
IMPORTANT
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 9
for instructions on how to remove front
enclosure panel.
Model No. WB2B 19
Serial No. 7374863 jjjjjjjjj
Model No. WB2B 26
Serial No. 7374864 jjjjjjjjj
Model No. WB2B 35
Serial No. 7374865 jjjjjjjjj

Product Information

Stainless steel Inox-Radial
heat exchanger
12-digit ASME/NB serial number
(located on metallic plate riveted
to the heat exchanger)
16-digit boiler serial number
on white bar code label
labelled "Boiler Serial Number"
is also located on the bottom
of the boiler.
Fig. 1 Locating boiler serial numbers for ordering replacement parts
Natural gas and liquid propane gas-fired wall-mounted 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 200-W, WB2B series boiler comes factory set for operation with
natural gas. For a fuel conversion to liquid propane gas no conversion kit is
required (see page 14).
Boiler model must be selected based on an accurate heat loss calculation of the
building. Ensure boiler model is compatible with connected radiation.
Vitodens 200-W, WB2B series boilers are factory-tested and calibrated. Further
gas valve adjustments are not typically required during field start-up.
Follow the Vitodens Venting System Installation Instructions to vent
this boiler.
General Information General Information
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