Viessmann 7134328 Circuit Board 320788-702 providing the necessary torque for

providing the necessary torque for heavy-duty switching without the risk of premature contact welding

ensuring the signal only triggers at the exposed tip

It is designed to be paired with VA-7000 series electric or V-3000 series pneumatic actuators based on your control requirements

including the AMV9 and GCV9 series

preventing ingredient buildup in the dispenser

Viessmann 7134328 Circuit Board 320788-702 providing the necessary torque forThe Viessmann 7134328 is a critical VR20 control board specifically engineered for Vitodens 200 WB2 and WB2A series gas condensing boilers. Functioning as a high precision communication interface, this replacement circuit board facilitates data transfer between the LGM 29 burner control unit and the main system sensors. It is essential for managing boiler fault codes such as A1, A4, and outdoor temperature sensor malfunctions. Field replacement