Vaillant ecoTEC plus 418 - Page 47

WARNING:
The gas connection may only be made by a competent person.
The legal directives and the local regulations for gas supply companies must be
observed.
CAUTION:
Ensure a stress-relief assembly of the gas pipes to avoid leakages!
CAUTION:
The gas regulating block may be tested for leakage only with a maximum pressure of 150
mbar!
Higher testing pressures can damage the gas fitting.
CAUTION: