The Viessmann water flow switch acts as a safety device. It is a switch with an in-built sensor that sits in the pipework for both the heating and domestic hot water systems. When the pump is activated, the flow switches sense this movement and feed the information.
You can be confident that you are only purchasing GENUINE Viessmann spare parts for the maintenance and boiler repair of your Viessmann Heating Boiler since we only sell GENUINE Viessmann boiler spare parts that are in accordance with the safety and performance specifications of your heating appliance.
Important Note: Products cannot be returned, exchanged or refunded where the security seal/tag is broken, tampered with, or compromised (such as PCB’s, electronic goods, fans). See our Refunds and Returns Policy for further information.
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