guia muelle valvula caldera vaillant Batería Reference: 90121090

Reference: 90121090

Voltage: 220-240V/50Hz/1PH

Ignition failure due to absence of flame signal

The weight wobbles

3mm enchufe plano

guia muelle valvula caldera vaillant Batería Reference: 90121090The spring guide valve is an essential component of the hydraulic system in Vaillant boilers. This part acts as a support and return mechanism for the switching valve that regulates the flow of hot water and heating, ensuring the correct operation of the system. The assembly includes the guide and the spring that allow precise movement and reliable switching of the valve. What problem does this replacement solve? Failure in switching between heating