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BLB PRIMADONNA S PRIMADONNA CLASS ECAM550
SGS43T72GB/05 BOSCH
RICAMBI CUCINA - Flat Bar Grill for Hob - P5550
3FEL2455-01 BOSCH
Width: 5cm
flusostato calentador valliant 10044918 caldera-sldb2378 BLB PRIMADONNA S PRIMADONNA CLASSThe flow switch is a safety device used in Vaillant heaters that detects the proper evacuation of combustion gases. Its main function is to allow the burner to ignite only if there is adequate smoke extraction, preventing dangerous accumulations. When the gas flow is not adequate, the flow switch cuts off the gas supply to prevent accidents. What problem does this replacement part solve? The heater does not ignite due to a failure in gas flow
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