or draft inducer failure that allows heat to back up into the burner area

this furnace collector box gasket prevents hazardous flue gas and air leakage by securing the interface between the collector box and the heat exchanger

It features a fixed 45-second heat-on delay and adjustable fan-off delay settings—configurable to 60

Key Benefits: High-accuracy 333

Viessmann 7828749 Flow Sensor 340793-762 or draft inducer failure thatThe Viessmann 7828749 Flow Sensor is a critical OEM replacement component engineered for high accuracy liquid measurement in Vitodens series boilers. This sensor is specifically designed for integration into Viessmann B1KA and Viessmann CPK systems, providing the real time feedback required for the control unit to modulate burner output and manage domestic hot water (DHW) priority. By monitoring flow rates with a measuring range typically calibrated