for Vaillant VC 356 / 4-7 to 656 / 4-7 and ecoTEV plus VC 806-1206,
Attention: For gas appliancesinstallation only by qualified specialists!
consisting of:
2 maintenance taps G 1 1/2 "x Rp 1 11/4
Supplementary with overflow valve (0020059561) for VC 356 / 4-7, if a hydraulic diverter is not used in single-circuit systems.
Notice
Please note that gas and electric appliances require increased mains voltage for proper operation. These appliances are not equipped with a two-pin mains plug. The installation of non-pluggable appliances must be carried out by the respective network operator or a certified specialist company, which can also assist you in obtaining any necessary approval from the relevant network operator for the installation of the appliance.
