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Main Air Pressure Switch
VAILLANT ecoTEC plus 831 R1 (2012-CURR)
Home System 12 -A – 41-044-94
It also enforces the safety parameters
It is set to vent as pressure increases to prevent pressure causing the system to malfunction or break
GLOWWORM ULTIMATE 24H BOILER DISPLAY INTERFACE BOARD 0020023826 MOTORISED VALVE Main Air Pressure SwitchDescription Genuine Glow worm part number 0020023826 a display interface printed circuit board (PCB) designed for use in selected Glow worm Flexicom HX, SX & CX boiler ranges. This PCB controls the boilers display and user interface functions, allowing communication between the main PCB and the front control panel. It manages operational information including temperatures, settings, status indicators, and fault codes. The 0020023826 display interface
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