Description
The Viessmann 7826314 Flow Switch VK315M is a sensing component used to monitor water movement within a heating circuit and confirm adequate circulation before unit activation in HVAC systems. It is installed in boiler unit systems, where it transmits flow status to the control board for safe operation. It detects insufficient or absent water flow. It helps prevent ignition under unsafe conditions and supports system protection. Its operations are essential for maintaining reliable operation, safeguarding internal components, and ensuring proper coordination between hydraulic and control sections of the equipment.
