Flow sensor Bitron FS04 20490934

Bitron FS04 flow sensor (part no. 20490934) is designed to monitor water movement in heating and hot water supply systems. The device detects the presence of coolant or water flow and transmits a signal to the boiler control board, ensuring correct mode switching and stable equipment operation. This model is widely used in domestic and commercial boilers, as well as in DHW systems where timely water flow detection is important. If the sensor fails, problems with water heating, incorrect switching between circuits, or boiler errors may occur — timely replacement helps quickly restore system functionality. Main advantages: Original Bitron flow sensor; Model: FS04; Manufacturer part number: 20490934; Accurate water flow detection; Stable signal transmission to the control board; Compact design and easy installation; Suitable for boiler repair and maintenance. Functional features: water flow control in the system; correct DHW circuit operation; signal transmission to the electronic control board; protection against operation without water circulation; maintaining stable boiler operation. Technical specifications: Manufacturer: Bitron; Model: FS04; Type: flow sensor; Original part number: 20490934; Design: Filter without flow regulator. Application: The sensor is used in: gas boilers, wall-hung boilers, hot water supply systems, private home heating systems, boiler equipment servicing. Why buy from us: We supply original Bitron components for boiler equipment with quality guarantee and full compatibility. The FS04 flow sensor will help quickly restore correct DHW and heating system operation without costly repairs. Order