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NBS533BW0B/20
XHC12/01 BOSCH
0730303537(00) SMI2320G BOSCH
Proteger de los rayos del sol
Made up of two glasses
termopar calentador vaillant 171173 tekno-4 NBS533BW0B/20The thermocouple is an essential safety component in Vaillant heaters that detects the presence of a flame and regulates the gas supply. It works by generating a small voltage when the flame is lit, allowing the gas valve to remain open. If the flame goes out, the thermocouple cuts off the gas to prevent dangerous leaks. What problem does this replacement part solve? The heater does not ignite or turns off immediately after ignition. Gas leaks due to
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