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B1WTV3600A/01 MAXX4 WFC1200 BOSCH
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LI49632/03
KGE36AI30/08
SMI50E52EU/18 BOSCH
presostato caldera viessmann 7817494 astelav B1WTV3600A/01 MAXX4 WFC1200 BOSCHThe pressure switch is a safety and control component that measures the air or gas pressure in the boiler, ensuring that the fan and combustion operate correctly. This Viessmann pressure switch model 7817494 is designed for boilers in the Vitopend 100 series, regulating pressure between 140 and 170 Pa for safe and efficient operation. What problem does this replacement part solve? Boiler that does not start due to failure in air pressure detection.
