preventing temperature fluctuations and ensuring the unit operates within specified modulation parameters

This part is essential for protecting heat exchangers and blower motors from the dust buildup that leads to premature component failure and efficiency loss

Featuring 3/8" ODF solder connections and a 1/2" port

it maintains the operational integrity of the system by automatically interrupting the common connection or "Y" point if factory-set limits for heat and amperage are exceeded

This model is designed for clockwise (CW) rotation

Viessmann 7436069 Control Module 321142-301 preventing temperature fluctuations and ensuringIf you are servicing a Vitodens 200 W WB2B series boiler, the Viessmann 7436069 Control Module is the designated Power Pump Control Module WB2B v2 required to manage critical hydronic circulation. This 120V, single phase HVAC replacement part is engineered to coordinate power distribution and pump logic, ensuring the system responds accurately to heating demands while maintaining high efficiency water flow. It interfaces directly with the boiler's