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Low-battery warning sound which can be suppressed for 8 hours using the test button
Ensuring the boiler runs safely
It also enforces the safety parameters
🛠️ Compatible with selected Vaillant models including:✔️ EcoTEC Plus 824✔️ EcoTEC Plus 831
Vaillant Printed Circuit Board 130826 CARTRIDGES/REPARKITS Low-battery warning sound which canVaillant printed circuit board is compatible with ecoMAX VU (condensing) and ecoMAX VUW (condensing) boilers. The control centre of a boiler, the printed circuit board , monitors and controls every process occurring throughout a system via switches, thermostats and sensors. It enforces safety measures too, shutting down boiler functions if internal readings indicate any type of fault, such as high pressure or low water levels. Fits a number of