Technical data

General information
3
Product Information
Vitotronic 300, Model GW2
For installation in or mounting on
Viessmann boilers only.
Applicable to the following control
units
Order No. 7134 555, 7143 156, 7511 362 from
Serial No. 7143 000 
Order No. 7134 555, 7143 156, 7511 362 from
Serial No. 7187 101 
Order No. 7134 555, 7143 156, 7511 362 from
Serial No. 7248 248 
5285 941 v.1.5