valvula de gas caldera viessmann 7828721 forzaspira The compressor does not start

The compressor does not start or the thermostat does not regulate properly

WTW84161GB/23

KD40NX70NE

30650 AS 70 CEX ARISTON

911916308 05 ASF66025

valvula de gas caldera viessmann 7828721 forzaspira The compressor does not startThe Viessmann 7828721 gas valve is an essential component for controlling and regulating the gas flow in boilers of the Vitodens 100 W series. This pre assembled valve regulates the natural gas flow to ensure efficient and safe combustion, contributing to the proper operation and energy savings of the appliance. What problem does this replacement part solve? Failure to ignite or constant shutdowns due to irregular gas flow. Gas odor or leaks caused by